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Trailer Axle-Parts-Guide-RevG-09-10-19 Page 1 ENG
Trailer Axle – Applications and Parts Guide
9710029 – Trailer Axle-Parts Guide-RevG-09-10-19
ContentsGeneral Information Suspension/AxleIdentification .......................................................................................... 2 Base-Axle(165-PartNumber)Reference ......................................................................... 3 Dressed-Axle(164-PartNumber)DiscBrake/DrumBrakeGlossary ..................... 4-5 Wheel-EndComponentDescriptions ............................................................................... 6 AxleBeamRating ............................................................................................................... 7 AxleTrack-Single;Dual;Wide-BaseWheelConfiguration ..................................... 8-9
Service Parts – Drum Brake Axle 16.5” x 7.0” Brake Size 5”StandardAxle ...............................................................10-11 5”Standardor53/4”LDAwithCamEnclosure .........12-13 53/4”LDA-ShortCamwithEnclosure ......................14-15 CommonServiceParts ....................................................16-17
12.25” x 7.5” Brake Size 5”StandardAxle ...............................................................18-19 DrumBrake/WheelEnd-CommonServiceParts .................................20 Brakeshoes;DustShields;CamRotation;BrakeChamberMtg. .........21
Common Axle Components ...................................................................................................22Wheel Bearing Adjustment ...................................................................................................23
Service Parts – Air Disc Brake (ADB) Axle (D)-ADBPattern1Axle(DISCONTINUED) .....................24-25 (W,B,L)-ADBPattern2Axles ..............................................26-29 (P)-ADBPattern3&4Axle(5”Axleand53/4”LDA) .....30-31 (S)-ADBPattern5Axle ..........................................................32-33 BendixCaliper-ServiceParts ......................................................34 WabcoCaliper-ServiceParts ......................................................35
Maintenance TorqueSpecifications ........................................................................................................36 PreventiveMaintenance ...................................................................................................37 (ADB)BrakeChamberPartNumber/PortOrientation................................................38 AutomaticTireInflationSystem(ATIS)Information ...................................................39Warranty Information ...............................................................................................................40
ENG Page 2 Trailer Axle-Parts-Guide-RevG-09-10-19
Serial Identification TagSuspensionsystemsandRidewell-brandedaxlescanbeidenti-fiedbytheSuspensionIDandAxle-BodyIdentificationTags.
Axle-Body Identification TagThe Base-Axle Part Number (165-)andtheSerial NumberoftheaxletubearelistedontheAxle-BodyIdentificationTagofRidewell-brandedroundaxles(Figure1).The Base-Axle Part Numberappliesto5-inch“Standard”or 53/4-inch“LargeDiameterAxle(LDA)”roundaxlesmanufac-turedinvariousaxle-wallthicknessesandwidths.Axlespindles,discordrumbrakesystems,andotherwheel-endequipmentcomponentscanbeattachedtotheaxlebodytocreateaDressed-Axle Configuration(Page4).
Suspension Identification Tag A(606-) Installation/Assembly Number willbelistedasthePart Numberwhenothersystemcomponentsarefactoryin-stalledwiththesuspension(Figure1).The Suspension Number andSerial Number on the Suspen-sionIDTagrefertothemodelandthedateofmanufactureofanindividualsuspensionsystem.Pleaserefertothesuspensionnumber/partnumberandserialnumberontheSuspensionIdentificationTagwhencontactingRidewellforcustomerservice,replacementpartsandwarrantyinformation.
Notes and CautionsAllworkshouldbecompletedbyaproperlytrainedtechni-cianusingtheproper/specialtoolsandsafeworkprocedures.Thisguidebookusestwotypesofservicenotestoprovidesafetyguidelines,preventequipmentdamageandmakesurethattheaxles/componentsoperatecorrectly.Theservicenotesaredefinedas:“NOTE”:Providesadditionalinstructionsorprocedurestocompletetasksandmakesurethattheaxle/componentsfunctionproperly.
Indicatesahazardoussituationorunsafeprac-ticethat,ifnotavoided,couldresultinequipmentdamageandseriousinjury.
MODEL: PART NO.
SERIAL NO. CAPACITY TON
Figure 1. The Base-Axle Part Number (165-) and the Serial Number assigned to the axle tube are listed on the Axle-Body ID Tag.
Suspension Information
GROSS AXLE WEIGHT RATING CERTIFICATION IS PER THE FINAL STAGE MANUFACTURER OR ALTERER.THIS PRODUCT MAY BE COVERED UNDER ONE OR MORE PATENTS, ADDITIONAL PATENTS MAY BE PENDING.
www.ridewellcorp.com (800) 641-4122
PART NO:
SERIAL NO:
SUSP. NO:
Figure 2. The Suspension Model (Suspension Number) and the date of manufacture (Serial Number) are listed on the Suspen-sion Identification Tag.
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 3 ENG
Part Number Page1650035 10-111650036 10-111650053 10-111650054 10-111650056 12-131650057 10-111650059 10-111650061 10-111650062 10-111650063 10-111650064 10-111650069-∆ 10-111650070 10-111650071 12-131650072 10-111650074 10-111650076 18-191650077 18-191650085 10-111650087 10-111650088 10-111650089 18-191650090 10-111650091 10-111650092 10-111650093 10-111650094 10-111650096-∆ 10-111650097-∆ 10-111650098 12-131650099 12-131650100 10-111650101 12-131650102 12-131650103-∆ 10-111650104-∆ 10-111650105-∆ 10-111650106-∆ 10-11
Base Axle Components –Part Number to Page Reference
Part Number Page1650107-∆ 10-111650108-∆ 10-111650109 10-111650110 10-111650111 10-111650112 10-111650114 10-111650119 18-191650120 10-111650123 10-111650127 10-111650128 10-111650131 10-111650134 12-131650136 12-131650138 18-191650140 10-111650141 12-131650146 10-111650148-∆ 10-111650149 10-111650150 10-111650151 10-111650155 18-191650160 12-131650166 12-131650168 24-251650169 12-131650175 24-251650176 24-251650177 24-251650178 10-111650179 10-111650180 10-111650181 10-111650182 12-131650185-∆ 10-111650187 24-25
Part Number Page1650188 10-111650192-∆ 10-111650193 24-251650196-∆ 10-111650201-∆ 10-111650205 14-151650206 14-151650207 14-151650213 24-251650214 10-111650215 12-131650216-∆ 10-111650219 12-131650222 24-251650227 18-191650228 24-251650229 24-251650234 24-251650235 24-251650236 24-251650237 24-251650239 10-111650240 26-291650241 26-291650251 14-151650254 26-291650258 26-291650259 26-291650260 26-291650264-∆ 10-111650265 30-311650266 30-311650268 18-191650289 32-331650290 32-331650294 30-311650300 26-291650306 30-31
Part Number Page1650307 32-331650312 26-291650325 10-111650341 26-291650347 14-151650348 26-291650351 26-291650352 12-131650353 12-131650359 26-291650360 26-291650362 26-291650365 12-131650366 12-131650367 12-131650368 12-131650369 12-131650370 12-131650371 12-131650372 12-131650373 12-131650380 26-291650389 26-291650058D 14-151650205D 14-151650206D 14-151650207D 14-151650251D 14-151650270D 14-151650271D 14-151650296D 14-151650297D 14-151650326D 14-15
Base Axle Part NumberRidewell-brandedaxleshaveaserialidentificationtagattachedtotheaxletube(body)listingthe Base Axle Part Number (165xxxx).ThepartnumbersofthebrakeandwheelendequipmentcomponentsconnectedtothebaseaxlecanbefoundbylocatingtheBase Axle Part Number inthechart,thensearchingforthecomponentonthepagenumber(s)referenced.ContactRidewellCustomerServiceifyouhaveabaseaxlepartnumberthatisnotlistedinthechart.
(∆) Custom cam length needed - Contact Ridewell Customer Service
ENG Page 4 Trailer Axle-Parts-Guide-RevG-09-10-19
Figure 3. The 11-digit Dressed-Axle Configuration Part Number (164xxxxxxxx) provides a reference for either a standard (5-inch) or a 5 3/4-inch Large Diameter Axle (LDA) configured with a drum or disc brake.
Dressed-Axle Configuration Part Numbers (164xxxx)
Air Disc Brake(p. 24; 26; 30; 32)
16.5” x 7.0” Drum Brake
(pp . 10-17)
12.25” x 7.5” Drum Brake
(p.18)
(p 24)
(p 26)
(p30)(p 32)
}
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 5 ENG
Track (Axle Track)Thedistancebetweenthecenterlineoftwowheelsmountedoneachaxleend.Thetheoreticalcenterlineofadualsteel-wheelconfigurationisusedfortheaxletrackspecification.
Camber (Optional) Axlecamberisdefinedastheinwardoroutwardangleoftiresmountedontheaxle.Positivecambermeansthetopofthetiresarefartherapartthanthebottom.Axlesarecamberedsothatthereisabowintheaxle.Weightisputontheaxletobringthewheelcambertozero.Allcamberedaxlesshouldbe mountedwiththecenterbowup.
ABS Prep HowwheelendcomponentsarepreparedtoacceptanAnti-LockBrakingSystem.1. Wheelhubispreparedwithoutaninstalledtonering.2. Hubprepwithinstalledtonering3. BoththetoneringandABSsensorareinstalled.
Parallel SpindleTapered SpindleAxle Body Axle Body
OuterBearing
InnerBearing
Dressed-Axle Part No. (164-) Item Descriptions
Standard Trailer DimensionsTrailersuspensionsaredesignedtofitupontostandardI-beamtrailerframesatthebeamcentersthatcorrespondtostandardaxletrackwidths(Figure4).Installationatwiderbeamcenterswillreducesuspensionclearances.Installationatnarrowerbeamcen-terswillde-ratetheaxlebeamcapacity.NOTE:Forother,non-standardbeamcenters,frames,framecenters,axletrackwidthsandwheel-endequipment,thesuspensioninstallerisresponsibleforverifyingclearances,axlecapacity,properfit-up,andanyadditionalrequiredsuspensionsupportstructure.
Figure 4. Beam Centers - The center line-to- center line distance from one trailing arm beam to the other.
Standard Configurations
Trailer Width
Axle Track
Frame Center
Beam Center
Air Spring Center
Dual Wheel96” 71.5” 38” 35” 31”
102” 77.5” 44” 41” 37”Wide-Base Wheel-Zero Offset 102” 83.5” 50” 47” 43”
Spindle Type - Wall Thespindleisthepartoftheaxleendthatsupportsthewheelendcomponents.Thespindleiseitherparalleltotheaxlebodyortaperedtowardstheaxleend.Wall(thickness)affectsaxleloadcapacity-athickerwallhasahighercapacity.Brake RatingThemaximumstoppingpowerofthebrake.Brakeratingisdependentonthedrumordiscbraketypeandsize,thetypeofbrakepad/shoelining,thebrakeinputpower,thebrake’sstructuralratingandthetirestaticloadradius.Brakeinputpowerforcam/discbrakesincludesairchambersizeandslackadjusterlength. BrakeRatingmustnotbeover-orunder-sizedforthesuspensionapplica-tion.ConfirmapplicationwithRidewell.
ENG Page 6 Trailer Axle-Parts-Guide-RevG-09-10-19
Hub SealAsealinstalledintotheinboardsideofthewheelhubtoretaingreaseoroilandpreventexternalcontaminationfromenteringtheinteriorhubcavity.
Hubcap Gasket/SealAthin,flatsealorO-ringinstalledbetweenthehubcapandtheoutboardfaceofthehubthatpreventslubricantfromleakingoutofthehubandcontaminantsfromenteringthehub.
Dust ShieldAthinsheetofmetalboltedinplacebehindtherotortopro-tectfromrocks,grit,andotherdebrisfoundontheroad.Therearetwotypes-rotorshieldsandbrake-padshields.
ABS (Anti-Lock Braking System) ABSsystemcomponentsincludeatoothedwheel(tonering)mountedonthehubofeachmonitoredwheel;anelectronicsensorthathasoneendagainstthetoothwheeltomonitorandtransmitwheelspeedandasensorclipthatholdsthesensorinplace.
ABS Tone Ring (Exciter ring)Anotchedring(80-100equallyspacedslots)attachedtoawheelhuborbehindabrakerotorthatisreadbyanABSspeedsensortodeterminethespeedofanindividualwheel.
Hub-Piloted MountingAwheelmountingsysteminwhichabossonthehubisusedtolocatethecenterholeofahub-pilotedwheel.Flangednutsareusedtoattachthewheeltotheflatfaceofthewheeldisc.
Stud-Piloted MountingAwheelmountingsysteminwhichlocationandfasteningofthewheelarebothaccomplishedbynutswhichfitcorrespond-ingstudsateachwheelbolthole.
Wheel-End EquipmentThe rotating components on the end of an axle including the wheel hub, wheel bearing cups and cones, the hub seal, the hubcap and related equipment such as tire pressure control systems are considered wheel-end equipment. Brake drums/rotors are fastened to the wheel hub. Tire/wheel assemblies are fastened to the hub with studs and nuts.
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 7 ENG
5-inch Axle (Standard)Tube Wall
0.591” 0.75”Track Width
(Inches)
Beam Centers(Inches)
Moment Arm
(Inches)
Axle Beam Capacity
GAWR (lbs)
Axle Beam Capacity
GAWR (lbs)
71.5”
38 16.75 23,000 25,00037 17.25 23,000 25,00036 17.75 23,000 25,00035 18.25 23,000 25,00034 18.75 22,387 24,33333 19.25 21,805 23,70132 19.75 21,253 23,10131 20.25 20,728 22,53130 20.75 20,229 21,98829 21.25 19,753 21,471
77.5”
44 16.75 23,000 25,00043 17.25 23,000 25,00042 17.75 23,000 25,00041 18.25 23,000 25,00040 18.75 22,387 24,33339 19.25 21,805 23,70138 19.75 21,253 23,10137 20.25 20,728 22,53136 20.75 20,229 21,98835 21.25 19,753 21,471
5.75-inch Axle Large Diameter Axle (LDA)
Tube Wall0.335”
(On-Hwy Use Only) 0.394”
Track Width
(Inches)
Beam Centers(Inches)
Moment Arm
(Inches)
Axle Beam Capacity
GAWR (lbs)
Axle Beam Capacity
GAWR (lbs)
71.5”
38 16.75 23,000 25,00037 17.25 23,000 25,00036 17.75 23,000 25,00035 18.25 23,000 25,00034 18.75 22,387 24,33333 19.25 21,805 23,70132 19.75 21,253 23,10131 20.25 20,728 22,53130 20.75 20,229 21,98829 21.25 19,753 21,471
77.5”
44 16.75 23,000 25,00043 17.25 23,000 25,00042 17.75 23,000 25,00041 18.25 23,000 25,00040 18.75 22,387 24,33339 19.25 21,805 23,70138 19.75 21,253 23,10137 20.25 20,728 22,53136 20.75 20,229 21,98835 21.25 19,753 21,471
Axle Beam Rating
Gross Axle Weight Rating (GAWR) isatermusedtospecifythemaximumload-carryingcapacityofasingleaxleas-sembly.TheGAWRisdeterminedbythecomponent-theaxlebody,thesuspen-sion,brakes,hubs,bearings, andwheelsandtires-withthelowestratedcapacity.Vehiclemanufacturersshouldfollowtheinstructionssuppliedbyothercomponentmanufacturerstodeterminetheratingsforcomponentsnotproduced byRidewelltodeterminethecorrectGrossAxleWeightRating(GAWR).ThiswillensurethevehiclemanufacturerisincompliancewiththeappropriateFederalregulations.
ENG Page 8 Trailer Axle-Parts-Guide-RevG-09-10-19
(S) - Wheel Spacing(O) - Wheel O�set(W) - Tire Width (T) - Axle Track(TT) - Tire Track (TOD) - Tire Overall Diameter(ITW) - Inside Tire Width(OTW) - Outside Tire Width(SLR) - Static Load Radius Frame Width
Minimumat full jounce
Minimumat full jounce
2.0” Minimum
Dual Wheel Con�guration
Wheel Disc Thickness (x 2)
Single Wheel (Outset)
WheelO�set (O)
Wheel Disc Thickness
1.5”
1.5”
(W)
Trailer Frame
Trailer Frame
(S)WheelO�set (O)
(ITW)(T)
(OTW)
_(TOD)_2
(SLR)
(ITW)
(T)(OTW)
Axle and Bearing Rating:Tapered (FN) spindles are not approved for use with 2-inch outset wheels. Parallel (FP) spindles are recommended for outset applications.O�set wheels used in a single-tire con�guration can reduce the axle beam rating and bearing life. Using inset wheels in a single-tire con�guration will not a�ect axle beam rating, but can reduce the bearing life.Using outset wheels in a single-tire con�guration moves the load point away from the center of the axle, increases the bending load in the axle, and reduces the axle beam rating and bearing life. Contact the Ridewell Engineering Dept. to determine the rating for an axle that uses inset or outset wheels in a single-tire con�guration.
Dual Wheel Calculations(S) = 2 x O(OTW) = T + S + W(ITW) = T - S - W
Single Wheel Calculations(TT) = T + (2 x O) - 7/8(OTW) = TT + W(ITW) = TT - W
(W)
(SLR)
_(TOD)_2
Tire Track (TT)
Frame Width
Axle Track –Wheel Configuration
Standard Configuration Dual Wheel
Trailer Width Axle Track Frame Center Beam Center Air Spring Center96” 71.5” 38” 35” 31”
102” 77.5” 44” 41” 37”
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 9 ENG
Axle Track –Wheel Configuration
Zero O�set Wheel Calculations(O) = W/2(TT) = T - 7/8(OTW) = TT + W(ITW) = TT - W
(S) - Wheel Spacing(O) - Wheel O�set(W) - Tire Width
Outset Wheel Calculations(TT) = T + (2 x WOS) - 7/8
(OTW) = TT + W(ITW) = TT - W
Inset Wheel Calculations(TT) = T - (2 x WIS) - 7/8
(OTW) = TT + W(ITW) = TT - W
Minimumat full jounce
2.0” Minimum
Wheel Disc Thickness
1.5”
(ITW)
(T)
(OTW)
Frame Width
Trailer Frame
(SLR)
(W)
0.4375”
WheelO�set (O)
Wheel Outset (WOS)
Wheel Inset (WIS)
Wide-Base Wheel Con�guration
Zero O�set
(T) - Axle Track(TT) - Tire Track
(WOS) - Wheel Outset(WIS) - Wheel Inset(SLR) - Static Load Radius
(TOD) - Tire Overall Diameter(ITW) - Inside Tire Width(OTW) - Outside Tire Width
(TOD)2
Axle and Bearing Rating:Tapered (FN) spindles are not approved for use with 2-inch outset wide-base wheels. Parallel (FP) spindles are recommended for outset applications.O�set wheels used in a single-tire con�guration can reduce the axle beam rating and bearing life. Using inset wheels in a single-tire con�guration will not a�ect axle beam rating, but can reduce the bearing life.
Using outset wheels in a single-tire con�guration moves the load point away from the center of the axle, increases the bending load in the axle, and reduces the axle beam rating and bearing life. Contact the Ridewell Engineering Dept. to determine the rating for an axle that uses inset or outset wheels in a single-tire con�guration.
(TT)
(TT)
Std Config.Wide-Base Wheel-Zero Offset
Trailer Width Axle Track Frame Ctr Beam Ctr A/Spg Ctr
102” 83.5” 50” 47” 43”
ENG Page 10 Trailer Axle-Parts-Guide-RevG-09-10-19
Large Diameter Axle (LDA) –Long Cam
Flat Washer
5” - Standard AxleTapered Spindle (N) Shown
Brake Chamber Assembly(See 16.5” Brake Chamber Section)
Brake Cam (S-Cam)1
6
2
3
S-Cam Service Kit
57
Snap Ring (Slack Adj.)
4
Cam Bearing
10
8
12
11
9
Thrust Washer
Cam Seal (Lip Seal)
Flat Washer
Flat Washer/Locknut/Bolt (Slack Adj. End)
S-Cam Bearing(Slack Adj. End)
Slack Adjuster AssemblyPush-Rod/Clevis Assembly(See 16.5” Brake Section)
Flat Washer
Snap Ring (Spider End)
5” Standard Axle16.5”x7.0” Brake Size
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 11 ENG
5” Axle - 16.5”x7.0” Brake SizeService Parts
DWGNo.
QT Y (Per Axle) 5”–S tandard Axle Item Description
1 1 1667591B104 S-Cam,left-hand(613mm)1 1667591B204 S-Cam,right-hand(613mm)
See page three for part number of base axle that requires custom cam length
1 165xxxx-∆ Left-handS-Cam-ContactRidewellforcamlength1 165xxxx-∆ Right-handS-Cam-ContactRidewellforcamlength
2 1 1667591B054 Cam Service Kit3 2 1667591B043 S-Camthrustwasher(SpiderEnd)4 4 1667591B038 S-CamLipSeal(SpiderEnd)5 2 1667591B039 S-Cambearing(SpiderEnd)
6 2 1667591B014 S-Camwasher(SpiderEnd)
7 2 1667591B015 S-Camsnapring(SpiderEnd)8 20 1667591B044 S-Camspacerwasher(SlackAdjusterEnd)9 2 1667591B016 S-Camwasher(SlackAdjuster)
10 2 1667591B017 S-Camsnapring(SlackAdjuster)
11 2 1667591B045 S-camsupportbearing(SlackAdjusterEnd)
12 8 1150063 Locknut-M8(Cam-SlackAdjusterEnd)8 1140081 Bolt(HHCS)–M8x30mm(Cam-SlackAdjusterEnd)8 1160031 FlatWasher(Cam-SlackAdjusterEnd)
Large Diameter Axle (LDA) –Long Cam
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ENG Page 12 Trailer Axle-Parts-Guide-RevG-09-10-19
5”-5 3/4” Axle w/ Cam Enclosure16.5”x7.0” Brake Size
5” (Standard) and 5 3/4” (Large Diameter Axle)Tapered Spindle (N) Shown
13
Flat Washers
Brake Chamber Assembly(See 16.5” Brake Chamber Section)
Brake Cam (S-Cam)1
2
3 Cam Cover Service Kit
57
4Cam Bearing
10
8
11
9
Thrust Washer
Cam Seal
Locknut/Flat Washer/Bolt (Slack Adj. End)
Slack Adjuster AssemblyPush-Rod/Clevis Assembly
(See 16.5” Brake Section)
Flat Washer
Snap Ring
Cam Cover Support Bracket
12 Snap Ring (Slack Adj.)
6 Cam Cover
Axle Wrap(LDA Only)
Cam Seal (O-Ring)
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 13 ENG
5”-5 3/4” Axle w/ Cam Enclosure16.5”x7.0” Brake - Service Parts
DWGNo.
QT Y (Per Axle)
5” – S tandard Axle5 3/4” – LDA Item Description
1 1 1667591B106 S-Cam,left-hand(613mm)1 1667591B206 S-Cam,right-hand(613mm)
2 2 1667591B043 S-Camthrustwasher(SpiderEnd)3 2 1660306 Cam Cover Service Kit4 1 1667591B038 S-Camseal(SpiderEnd)5 1 1667591B039 S-Cambearing(SpiderEnd)6 1 1667591B036 Camcoverassemblyinc.bushings(536mm)7 1 1667591B037 Supportbracketplate(2”Universal)-SlackAdjusterEnd8 1 1667591B040 S-CamO-Ringseal(slackadjuster)9 10 1667591B044 S-Camspacerwasher(SlackAdj.End)
10 1 1667591B009 S-Camsnapring
11 2 1667591B016 S-Camspacerwasher(slackadjuster)
12 2 1667591B017 S-Camsnapring(slackadjuster)
13 8 1150063 Locknut-M8(CamEnclosure-SlackEnd)
8 1140081 Bolt(HHCS)–M8x30mm(CamEnclosure-SlackEnd)
8 1160031 FlatWasher(CamEnclosure-SlackEnd)
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ENG Page 14 Trailer Axle-Parts-Guide-RevG-09-10-19
5 3/4” AX–Short Cam Enclosure 16.5”x7.0” Brake Size
5 3/4” Large Diameter Axle (LDA)Short Cam/Tapered Spindle (N) Shown
13
Flat Washer
Brake Chamber Assembly(See 16.5” Brake Chamber Section)
Brake Cam (S-Cam)1
2
3 Cam Cover Service Kit
57
4
Cam Bearing
10
8
11
9
Thrust WasherCam Seal
Locknut/Flat Washer/Bolt (Slack Adj. End)
Slack Adjuster AssemblyPush-Rod/Clevis Assembly
(See 16.5” Brake Section)
Flat Washer
Snap Ring
Cam Cover Support Bracket
12 Snap Ring (Slack Adj.)
6 Cam Cover
Cam Seal (O-Ring)
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 15 ENG
5 3/4” AX–Short Cam Enclosure Service Parts-16.5”x7.0” Brake
DWGNo.
QT Y (Per Axle) 5 3/4” – LDA Item Description
1 1 1667591B108 LDA-S-Cam,lefthand(283mm)1 1667591B208 LDA-S-Cam,righthand(283mm)
2 2 1667591B043 S-Camthrustwasher(SpiderEnd)3 2 1660387 LDA - S-Cam Cover Service Kit (283 mm)4 1 1667591B038 S-CamSeal(SpiderEnd)5 1 1667591B039 S-CamBearing(SpiderEnd)6 1 1667591B049 LDACamCoverAssembly(169.5mm)-IncludesBushings7 1 1667591B037 Supportbracketplate(2”Universal)-SlackAdjusterEnd8 1 1667591B040 S-CamO-Ringseal(slackadjuster)9 10 1667591B044 S-Camspacerwasher(SlackAdj.End)
10 1 1667591B009 S-Camsnapring11 2 1667591B016 S-Camspacerwasher(slackadjuster)12 2 1667591B017 S-Camsnapring(slackadjuster)13 8 1150063 Locknut-M8(CamEnclosure-SlackEnd)
8 1140081 Bolt(HHCS)–M8x30mm(CamEnclosure-SlackEnd)8 1160031 FlatWasher(CamEnclosure-SlackEnd)
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ENG Page 16 Trailer Axle-Parts-Guide-RevG-09-10-19
Brake Chamber – (16.5” x 7.0” Brake Size)
Part Number Brake Chamber TypeStroke Length
Push-Rod Length (in) Manufacturer Notes
5”Standard Axle (Straight)1660191 Type20 2.50 5.750 DiPro1660421 Type30 2.50 5.700 Haldex1660176 Type30 2.50 5.750 DiPro1660259 Type30 2.50 5.750 FUWA1664702B303 30/30 2.50 5.625 MGM1660174 30/30 2.50 5.750 DiPro1660285 30/30 2.50 5.750 FUWA1660381 30/30 2.50 5.750 TSE OMNI1660550 30/30 2.50 5.750 Wabco TRISTOPIBV1660250 30/30 2.50 5.700 Haldex GoldSeal(GS)1660357 30/30 3.00 5.750 TSE OMNI1660382 30/30 3.00 5.750 TSE1660345 30/30 3.00 5.625 MGM1660342 30/30 3.00 5.625 MGM5 3/4” Large Diameter Axle – Overslung (RAR-266 Suspension)1667591B047 30/30 2.50 9.750 FUWA1660598 Type30 2.50 9.900 Haldex1667591B053 30/30 2.50 9.800 Haldex GoldSeal(GS)1667591B055 30/30 2.50 9.800 Haldex LifeSeal(LS)1660551 30/30 2.50 9.800 Wabco TRISTOPIBV1660605 30/30 3.00 9.750 TSE OMNI5 3/4” Large Diameter Axle – Underslung (RAR-266 Suspension)1667591B057 30/30 2.50 5.750 FUWA LongCamLong Push-Rod – Cut push-rod to required length1660283 30/30 2.50 12.0 DiPro Shipsuncaged
Components -16.5”x7.0” Brake Size
Slack Adjuster (Brake Size - 16.5” x 7.0”)
Part Number Slack Size Spline Manufacturer Clevis/Anchor Pin1660501 5.5” 28 Gunite RequiresClevis-16602901664206B038 5.5” 28 Haldex RequiresClevis-1667591B001;AnchorPin-1667511B0061660179 5.5” 28 Bendix IncludesClevis1660173 6” 28 Bendix IncludesClevis1660289 6” 28 Gunite RequiresClevis-16602901664206B011 6” 28 Haldex RequiresClevis-1667591B001;AnchorPin-1667511B0061667591B048 6” 28 FUWA IncludesClevis
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 17 ENG
Hub and Drum (Hub-Piloted) - 10-Stud x 11.25” Bolt Circle
Spindle Hub Mtrl
Drum Mtrl
Stud Length
Tone Ring
Side Fill Port
Hub Part Number
Drum Part Number
Hub MFG
Hub & Drum Part Number
Wheel Stud Part Number
P CastIron- EasyRoll C'Fuz* Long Yes No 1660389 1667511B027 WEMC 02-00045
CastIron C'Fuz Long No Yes 1660234 1667511B027 Gunite W1402
CastIron C'Fuz Long Yes Yes 1660235 1667511B027 Gunite W1402
CastIron C'Fuz Long Yes Yes 1660344 1667511B027 KIC 1660083
CastIron CastIron Long No Yes KIC 1660060 1660083
CastIron CastIron Short Yes Yes KIC 1660069 PRT-00117
CastIron CastIron Short No Yes KIC 1660157 PRT-00117
CastIron CastIron Long Yes Yes KIC 1660186 1660083
ALUM C'Fuz Long Yes Yes 1660196 1667511B027 ConMet 102292
ALUM CastIron Long Yes Yes 1660196 1667591B031 ConMet 102292
ALUM CastIron Long Yes Yes 1660196 1667591B034 ConMet 102292
ALUM C'Fuz Long No Yes 1660266 1667511B027 ConMet 102291
ALUM C'Fuz Long Yes Yes 1660277 1667511B027 ConMet 102291
ALUM CastIron Long Yes Yes 1660277 1667591B031 ConMet 102291
ADI C'Fuz Short No No 1660187 1667511B027 WEMC 02-00110
ADI C'Fuz Long Yes Yes 1660213 1667511B027 WEMC 1660610
ADI CastIron Long Yes Yes 1660213 1667591B031 WEMC 1660610
ADI C'Fuz Long No Yes 1660251 1667511B027 WEMC 1660610
ADI C'Fuz Short Yes No 1660340 1667511B027 WEMC 02-00110
N CastIron- FatBoy Long Yes No 1667511B034 WEMC 02-00045
CastIron C'Fuz Long Yes Yes 1667511B035 1667511B027 KIC 1660083
CastIron CastIron Long No Yes KIC 1667511B000 1660083
CastIron CastIron Short No Yes KIC 1667511B004 PRT-00117
CastIron CastIron Short Yes Yes KIC 1667511B015 PRT-00117
CastIron CastIron Long Yes Yes KIC 1667511B016 1660083
ALUM C'Fuz Long Yes Yes 1660249 1667511B027 ConMet 102190
ALUM X30 Long Yes Yes 1667511B019 1667511B013 ConMet 102189
ALUM C'Fuz Long Yes Yes 1667511B019 1667511B027 ConMet 102189
ADI CastIron Long Yes Yes 1667511B026 WEMC 1660610
ADI C'Fuz Long Yes Yes 1667511B026 1667511B027 WEMC 1660610
1660057 FlangedWheelNut-M22x1.5x33(1.30”x1.22”)-See Drum Brake/Wheel End Parts
Components -16.5”x7.0” Brake Size
*Centrifuse®
ENG Page 18 Trailer Axle-Parts-Guide-RevG-09-10-19
5” Standard Axle12.25”x7.5” BrakeSize
12.25 x 7.5 Brake Size - 5”-Standard AxleTapered Spindle (N) Shown
13
Brake Chamber Assembly(See 12.25” Brake Chamber Section)
Brake Cam (S-Cam)1
6
2
3
S-Cam Service Kit 5
7
Cam Bushing
10
WasherCam Seal
Flat Washer/Locknut/Bolt (Slack Adj. End)
S-Cam Bearing (Slack Adj. End)
Slack Adjuster AssemblyPush-Rod/Clevis Assembly(See 12.25” Brake Section)
Washer
Snap Ring (Spider End)
Slack Adjuster Mounting Bracket
Slack Adjuster Mounting Bracket Bolt
12
Snap Ring (Slack Adj.)
11
4
Washer
8
6Washer
9
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 19 ENG
DWGNo.
QT Y (Per Axle)
Par t Number/ MFG Par t Number Item Description (5” Axle - 12.25x7.5 Brake S ize)
1 1 Meritor-R607253 S-Cam,left-hand(594mm)1 Meritor-R607254 S-Cam,right-hand(594mm)
2 1 Meritor - R615020 Cam service kit3 2 Meritor-R657001 S-CamBushing(SpiderEnd)4 2 Meritor-E-719 S-Camwasher(SpiderEnd)5 4 Meritor-R627018 S-Camseal(SpiderEnd)6 8 1667591B016 S-Camwasher(SlackAdjusterEnd)7 4 Meritor-1229-Z-1118 S-Camsnapring(SpiderEnd)8 2 1667591B044 S-Camspacerwasher(SlackAdjusterEnd)
9 2 1667591B017 S-Camsnapring(SlackAdjusterEnd)
10 2 1667511B006 SlackAdjusterMountingBracketBolt(Flat)11 2 1667591B056 SlackAdjusterMountingBracket12 2 1667591B045 S-Camsupportbearing(SlackAdjusterEnd)13 8 1150063 Locknut-M8(Cam-SlackAdjusterEnd)
8 1140081 Bolt(HHCS)–M8x30mm(Cam-SlackAdjusterEnd)8 1160031 FlatWasher(Cam-SlackAdjusterEnd)
5” Axle - 12.25”x7.5” Brake SizeService Parts
Brake Chamber (Brake Size-12.25” x 7.5” )
Part Number
Brake Chamber Type
Stroke Length
Push-Rod Length Manufacturer Notes
1664204B004 Type30 2.50 4.25 DiPro1664204B003 30/30 2.50 4.25 DiPro
Slack Adjuster (Brake Size-12.25” x 7.5”)
Part Number Slack Size Spline Manufacturer Clevis Included/Added Kit
1664204B005 6” 28 FUWA RequiresClevis-1667591B001(IncludesAnchorPin)
Hub and Drum (Hub-Piloted) – Brake Size-12.25” x 7.5” (8-Stud x 10.83” Bolt Circle)
Spindle Hub Material
Drum Mtrl
Stud Length
Tone Ring
Side Fill Port
Hub Part Number
Drum Part Number Manuf. Hub & Drum
Part NumberWheel Stud Part Number
N CastIron CastIron Short Yes Yes Hub-0013FT 54244-01 KIC 1664204B001 PRT-00117CastIron CastIron Short No Yes Hub-0013F 54244-01 KIC 1664204B002 PRT-00117CastIron CastIron Long No Yes Hub-0013FL 54244-01 KIC 1664205B004 PRT-00118CastIron CastIron Long Yes Yes 1664205B013 54244-01 KIC 1664205B005 PRT-00118
1660057 FlangedWheelNut-M22x1.5x33(1.30”x1.22”)-See Drum Brake/Wheel End Parts
Incl
uded
in S
ervi
ce K
it
ENG Page 20 Trailer Axle-Parts-Guide-RevG-09-10-19
DWGNo.
QT Y (Per Axle) Par t Number Item Description
Parallel S pindle (P)
1 2 1660597 Spindle Nut Kit1 1660052 Washer1 1660051 Castlenut1 1660373 Cotterpin
Tapered S pindle (N)
1 2 1664206B014 Spindle Nut Kit1 1664206B035 Innerspindlenut1 1664206B034 Lockwasher1 1664206B037 Tablockwasher1 1664206B036 Outernut
2 1660057 FlangedWheelNut–M22x1.5x33(1.30”x1.22”)
Common Service Parts Drum Brake/Wheel End
Drum Brake/Wheel End ComponentsTapered Spindle (N) Shown
Brake Shoe Assembly
Spring/Spring Kit
1
4
3
2
5
Wheel Nut
Bolt/Lockwasher (Hub Cap)
Bearing Assembly (Outer)
Spindle Nut
Hub Cap (with Gasket)
Gasket(Hub Cap)
Bearing Cup(Outer)
Hub Assembly(Wheel Studs)
Drum Assembly
Hub & Drum Component
Bearing Assembly(Inner) Hub Seal
(Inner) Wheel Seal (Inner)
Anchor Pin
Cam Roller
Anchor Pin Bushing
6
Inclu
ded
in K
itIn
c. in
Kit
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 21 ENG
Drum Brake Chamber Mounting Brackets
Axle
(C)(B)(A)
(C)(B)(A)
Brake Shoes/Dust Shields - Parts Brake Cam Rotation
Drum Brake Assembly –Service Parts
DWGNo.
QTY (Per Axle) Item Description
16.5” x 7.0” 20K Brake Rating - PL133
16.5” x 7.0” 23K Brake Rating - PL244
12.25” x 7.5” 20K Brake Rating -PL244
3 4 Brakeshoeandliningassy-Q+(includes cam roller and clip) 1667591B305 1667591B306
Brakeshoeandliningassy-Q(includes cam roller and clip) 1667591B307 1667591B308 1664204B006
4 4 Anchorpin 1667591B010 1667591B010 1667591B0105 4 Anchorpinbushing6 4 Retainerspring 1667591B012 1667591B012 1667591B012
2 Returnspring 1667591B035 1667591B035 1664204B011
Dust Shields
Part Number Item Description Required Fasteners MFG Manufacturer Part Number
1667511B005 DustShield16.5x7.0(18.11”OD2.83DP) 1137511B005(6) Fuwa H18-01031664204B008 DustShield12.25x7.5(13.78”OD2.38DP) 1137511B005(4) Fuwa H18-0202
Front of Vehicle
Cam Rotation
Cam Rotation
Push-Rod Above Axle-Cam in Front
Push-Rod Below Axle-Cam in Rear
Wheel Rotation Wheel Rotation
Brake Cam Rotation
Theaxleassemblyshouldbeinstalledsothat,whenthebrakesareactivated,thecamshaftrotatesinthesamedirectionasthewheelswhenthevehicleismovingforward.Oppositerotationofthecamshaftscancausevibrationsthatcandamagecomponentssuchastheairchambersandchamberbracketsattachedtotheaxle.Therearetworecommendedconfigurationsforaxleinstalla-tions:• Camsfrontandairchamberpush-rodabovetheaxle.• Camsrearandairchamberpush-rodbelowtheaxle.Thedecisiononwhichconfigurationtouseisbasedon obtainingadequateclearancebetweentheaxleandother vehiclecomponents,maximizinggroundclearanceorlocatingcomponentsformaintenanceaccess.
Brake Chamber Mount –Hole Patterns
Brake Size 16.5x7.0” 12.25 x 7.5”
Hole-Code Slack AdjusterLength
Slack AdjusterLength
A – A 5” —B – B 6” 5.5”B – A 5.5” 5”B – C — 6”
ENG Page 22 Trailer Axle-Parts-Guide-RevG-09-10-19
Common Axle Components
Wheel Bearing
Spindle Part Number Cup or Cone Location MFR Industry NumberN 1664206B008 Cone Inner VNC HM218248(3.543ID)
1664206B009 Outer VNC HM212049(2.625ID)1664206B041 Inner Hyatt HM2182481664206B042 Outer Hyatt HM2120491664206B028 Inner Stemco KHM218248(3.543ID)1664206B027 Outer Stemco KHM212049(2.625ID)1664206B032 Cup Inner VNC HM2182101664206B033 Outer VNC HM212011
P 1660048 Cone Inner/Outer VNC HM5184451660304 Inner/Outer Stemco KHM5184451660502 Inner/Outer Hyatt HM5184451660527 Inner/Outer Timken HM5184451660397 Cup Inner/Outer VNC HM518410
Wheel Seal
Spindle Part Number Manufacturer Type MFR Part No.N 1667537B004 Stemco GuardianHP 307-0743
1660458 National GoldPTFE M380025P 1660276 Stemco GuardianHP 307-0723
1660494 National GoldPTFE M386590T
Hub Cap
Spindle Part Number Side-Fill Port MFR Part No. MFR Lubrication Type VentN 1660155 No 352-4009 Stemco Hard/Semi-FluidGrease Duckbill
1660346 Yes 348-4009 Oil Sentinel1664206B006 Yes 343-4009 Oil Standard1664206B018 No 340-4009 Oil Standard1664206B029 No 349-4009 Hard/Semi-FluidGrease Sentinel1664206B040 Yes 353-4009 Oil ESPPlug
P 1660054 Yes 343-4195 Stemco Oil Standard1660305 No 349-4195 Hard/Semi-FluidGrease Sentinel1660341 Yes 348-4195 Oil Sentinel1660435 No 352-4195 Hard/Semi-FluidGrease Duckbill
Anti-Lock Brake System (ABS)
Part Number Type MFR Part No. MFR Description1664702B001 90-Degree 4410328080 Wabco ABSSensor(Lead Length - 0.3 meter)1664702B003 Straight 4410323340 ABSSensor(Lead Length - 1 meter)1664702B010 Straight 300151 Bendix ABSSensor(Lead Length - 1.7 meter)1664702B002 BushingRetainer
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 23 ENG
ABCA B
Wheel Bearing Adjustment ProcedureRefertoTMC’sRecommendedPractice618-WheelBearingAdjustmentProcedure.Theproceduresshouldobtainaverifiablewheelbearingendplayof0.001”to0.005”(0.025mmto0.13mm).TheRP-618proce-duresareformanuallyadjustedwheelendsandarenotapplicabletopre-setorunitizedwheelends. Forwheelbearingadjustmentsonmanuallyadjustedwheelends,theoptimumconditionformea-suringtheendplayiswiththetires/wheelsandbrakedrumremovedfromthehub.Alwayssupportthevehiclewithstands;donotworkunderaunitsupportedbyonlyajack.Blockthewheelsandmakesurevehiclecannotrollbeforereleasingthebrakes.NOTE: Do not use an impact wrench when tightening or loosening spindle nuts during the wheel bearing adjustment procedure.
Double Adjusting Nut System (Figure 5)1. Lubricatethebearingwiththesametypeoflubricantusedinthehubassembly.2. Whilerotatingthewheel,torquetheadjustingnut(A)to200ft-lb(271N·m).3. Backofftheadjustingnut(A)onefullturnfromthebearing.4. Whilerotatingthewheel,tightentheadjustingnuttoafinaltorqueof50ft-lb(68N·m).5. Backofftheadjustingnutl/4-to-1/3turn.Installlockwasher(B)usingnearesthole.6. Installtheouterjamnut(C).Torqueto200-300ft-lb(271-407N·m).7. Checkendplay–(0.001”to0.005”[0.025mmto0.13mm]).Verifythatthewheelrotatesfreelywhenadjustmentiscompleted.
Single Adjusting Nut System (Figure 6)1. Lubricatethebearingwiththesametypeoflubricantusedinthehubassembly.2. Installlockwasher(B).3. Whilerotatingthewheel,torqueadjustingnut(A)to200ft-lb(271N·m).4. Backofftheadjustingnut(A)onefullturnfromthebearing.5. Whilerotatingthewheel,tightentheadjustingnuttoafinaltorqueof50ft-lb(68N·m).6. Backofftheadjustingnutl/6-to-1/4turntothenearestlockinghole.7. Installcotterpin.8. Checkendplay–(0.001”to0.005”[0.025mmto0.13mm]).Verifythatthewheelrotatesfreelywhenadjustmentiscompleted.
Figure 5. Double Adjusting Nut System
Figure 6. Single Adjusting Nut System
Wheel Bearing Adjustment
ENG Page 24 Trailer Axle-Parts-Guide-RevG-09-10-19
(D) - ADB Pattern 1 Axle(DISCONTINUED)
Bearing Assembly(Inner)
Caliper Assembly
Hub Assembly
Rotor Assembly
5” Axle or 5 3/4” Large Diameter Axle Parallel Spindle (P)
Dust Shield
Brake Chamber Assembly
Bolt(Caliper �ange)
Hub And Rotor Component
Wheel Stud(Rotor)
Bolt(Hub)
Wheel Nut
Bolt/Lockwasher (Hub Cap)
ABS Sensor
ABS Bushing
Cotter Pin(Spindle Nut)
Hub Seal(Inner)
Bearing Assembly (Outer)
Spindle Nut
Hub Cap (with Gasket)
19
10
1
4
3
2
56
7
8
15
14
13
12
11
17
18
9
916
Gasket(Hub Cap)
See 164-Part Number Descriptions on page 4 for axle identification.164xxxDxxxx – Wabco Caliper
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 25 ENG
ADB Pattern 1 - Wabco PAN™ 22(SERVICE PARTS)
DWGNo.
QT Y (Per Axle) Par t No. Item Description
1 1 1660351 SPGBRKCHMBRASY(20/24),45Deg.(20Kbrakerating)
1 1660352 SPGBRKCHMBRASY(20/24),135Deg.(20Kbrakerating)
1 1660203 SPGBRKCHMBRASY(24/24),45Deg.(23Kbrakerating)
1 1660204 SPGBRKCHMBRASY(24/24),135Deg.(23Kbrakerating)
1 1660433 Brakeactuator,ServiceOnly,Type20,45Deg.(20Kbrakerating)
1 1660434 Brakeactuator,ServiceOnly,Type20,135Deg.(20Kbrakerating)
1 1660205 Brakeactuator,ServiceOnly,Type24,45Deg.(23Kbrakerating)
1 1660206 Brakeactuator,ServiceOnly,Type24,135Deg.(23Kbrakerating)
2 1 1660360 CaliperAssembly(Left-Hand)
1 1660361 CaliperAssembly(Right-Hand)
1 1660362 PadKit,PAN22(Not Shown)
3 10 1130045 HexHeadCapScrew(HHCS)M16-1.5x55mm;GR10.9
2 1130046 HexHeadShoulderCapScrew(HHSCS)M16-1.5x55mm;GR10.9
4 2 1660386 DustShield–Pattern1-PAN22
5 2 1664702B003 ABS-Sensor
6 2 1664702B002 ABS-Bushing
7 2 1660373 CotterPin(SpindleNut)
8 2 1660215 HubSeal(Inner)
9 4 1660304 BearingCone-3.5”ID(Inner/Outer)
10 2 1660359 HubandRotorComponent(P)Spindle-PAN22
11 2 1660363 Rotor,PAN22
12 20 1660083 WheelStud-M22x1.5;4.79”length
13 2 1660364 HubAssembly-(P);10-Stud(withcupsandwheelnuts)
14 20 1130044 RotortoHubFastenerM16-2x35mm;GR10.9
15 20 1660057 WheelNut
16 2 1660597 SpindleNut(CastleNut)Kit
17 2 1660055 Gasket(AllHubCaps)
18 2 1660341 HubCapwithGasket(OilLubrication)–SentinelVent
2 1660054 HubCapwithGasket(OilLubrication)
2 1660305 HubCapwithGasket(Hard/Semi-FluidGreaseLubrication)–SentinelVent
2 1660435 HubCapwithGasket(Hard/Semi-FluidGreaseLubrication)–DuckbillVent
19 12 1144206B105 HHCS5/16”-18NC3/4”length
12 1164263B100 LockWasher5/16”
ENG Page 26 Trailer Axle-Parts-Guide-RevG-09-10-19
(W, B, L) - ADB Pattern 2 Axles
Bearing Assembly(Inner)
Caliper Assembly
Hub Assembly
Rotor Assembly
5” Axle5 3/4” Large Diameter Axle (LDA)
Parallel Spindle (P)
Pad ShieldDust Shield
Brake Chamber Assembly
Bolt(Caliper �ange)
Hub And Rotor Component
Wheel Stud(Rotor)
Bolt(Hub)
Wheel Nut
Bolt/Lockwasher (Hub Cap)
ABS Sensor
ABS Bushing
Hub Seal(Inner)
Bearing Assembly (Outer)
Spindle Nut
Hub Cap (with Gasket)19
10
1
4
3
2
56
78
15
14
13
12
11
17
18
9
16Gasket
(Hub Cap)
Toner Ring
8
See 164-Part Number Descriptions on page 4 for axle identification. 164xxxWxxxx – Wabco Caliper164xxxBxxxx – Bendix Caliper164xxxLxxxx – Bendix Light-Duty Caliper
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 27 ENG
ADB Pattern 2 - Wabco PAN™ 22; Bendix ADB22X™; 22X-LT™
Pattern 2 Axle components continued on next page
DWGNo.
QT Y (Per Axle) Par t No. Item Description
1 1 1660428 SPGBRKCHMBRASY-Bendix(18/24)45Deg.(20K/23Kbrakerating)
1 1660429 SPGBRKCHMBRASY-Bendix(18/24)135Deg.(20K/23Kbrakerating)
1 1660351 SPGBRKCHMBRASY-Wabco(20/24)45Deg.(20Kbrakerating)
1 1660352 SPGBRKCHMBRASY-Wabco(20/24)135Deg.(20Kbrakerating)
1 1660203 SPGBRKCHMBRASY-Wabco(24/24)45Deg.(23Kbrakerating)
1 1660204 SPGBRKCHMBRASY-Wabco(24/24)135Deg.(23Kbrakerating)
1 1660456 Brakeactuator,ServiceOnly,Bendix(Type18)40Deg.(20K/23Kbrakerating)
1 1660457 Brakeactuator,ServiceOnly,Bendix(Type18)140Deg.(20K/23Kbrakerating)
1 1660433 Brakeactuator,ServiceOnly,Wabco(Type20)45Deg.(20Kbrakerating)
1 1660434 Brakeactuator,ServiceOnly,Wabco(Type20)135Deg.(20Kbrakerating)
1 1660205 Brakeactuator,ServiceOnly,Wabco(Type24)45Deg.(20Kbrakerating)
1 1660206 Brakeactuator,ServiceOnly,Wabco(Type24)135Deg.(20Kbrakerating)
2 1 1660401 Bendix,CaliperAssembly(Left-Hand)
1 1660402 Bendix,CaliperAssembly(Right-Hand)
1 1660528 BendixLT,CaliperAssembly(Left-Hand)
1 1660529 BendixLT,CaliperAssembly(Right-Hand)
1 1660403 Wabco,CaliperAssembly(Left-Hand)
1 1660404 Wabco,CaliperAssembly(Right-Hand)
1 1660442 PadKit,BendixADB22X(Not Shown)
1 1660546 PadKit,BendixADB22X-LT(Not Shown)
1 1660362 PadKit,WabcoPAN22(Not Shown)
3 12 1140087 HexHeadCapScrew(HHCS)M20-2.5x60mm;GR10.9
12 1160025 FlatWasher(M20)
4 2 1660422 Dust Shield
2 1660479 PadShield-Bendix(CaliperOnly)
5 2 1664702B003 ABS-Sensor(Wabco)
2 1664702B010 ABS-Sensor(Bendix)
6 2 1664702B002 ABS-Bushing(WabcoorBendix)
ENG Page 28 Trailer Axle-Parts-Guide-RevG-09-10-19
(W, B, L) - ADB Pattern 2 Axles
Bearing Assembly(Inner)
Caliper Assembly
Hub Assembly
Rotor Assembly
5” Axle5 3/4” Large Diameter Axle (LDA)
Parallel Spindle (P)
Pad ShieldDust Shield
Brake Chamber Assembly
Bolt(Caliper �ange)
Hub And Rotor Component
Wheel Stud(Rotor)
Bolt(Hub)
Wheel Nut
Bolt/Lockwasher (Hub Cap)
ABS Sensor
ABS Bushing
Hub Seal(Inner)
Bearing Assembly (Outer)
Spindle Nut
Hub Cap (with Gasket)19
10
1
4
3
2
56
78
15
14
13
12
11
17
18
9
16Gasket
(Hub Cap)
Toner Ring
8
See 164-Part Number Descriptions on page 4 for axle identification. 164xxxWxxxx – Wabco Caliper164xxxBxxxx – Bendix Caliper164xxxLxxxx – Bendix Light-Duty Caliper
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 29 ENG
ADB Pattern 2 - Wabco PAN™ 22; Bendix ADB22X™; 22X-LT™
DWGNo.
QT Y (Per Axle) Par t No. Item Description
7 2 1660494 HubSeal(Inner)-NationalGoldPTFE
2 1660276 HubSeal(Inner))-STEMCOGuardian® HP
8 4 1660304 BearingCone-3.5”ID(Inner/Outer)
9 2 1660441 ToneRing-ABSringkit(ConMet®Hub1660405/1660356–before04/01/2018)
2 1660604 ToneRing-ABSringkit(ConMetHub1660405/1660356–04/01/2018-03/01/2019)
2 1660615 ToneRing-ABSringkit(ConMetHub1660405/1660356–after03/01/2019)
10 2 1660400 Gunite®Hub,Rotor,andToneRingAssembly,Cast/Cast
2 1660603 KIC-HubandRotorFP(IntegralToneRing)
2 1660405 ConMet Hub,Rotor,andToneRingAssembly,AL/Cast
2 1660356 ConMetPreSet®Hub,Rotor,andToneRingAssembly,AL/Cast
2 1660552 WaltherEMC-Hub,Rotor,andToneRingAssembly,ADI/Cast
11 2 1660439 Gunite-RotorOnly(IntegralToneRing)
2 1660440 ConMet(Standard/PreSet)RotorAssembly(IntegralToneRing)
2 1660614 KIC-RotorOnly(IntegralToneRing)
2 1660554 WaltherEMC-RotorKit(IntegralToneRing)
12 20 Wheelstuds-Gunite
20 Wheelstuds-ConMet(StandardandPreSet)
20 1660083 Wheelstuds-KIC
20 1660553 Wheelstuds-WaltherEMC
13 NotAvailable Conmet;Gunite;KIC-HubOnly
2 1660555 WaltherEMC-Hubonly
14 20 FlangedNut(5/8”-18)-RotortoHub;Conmet(StandardandPreSet)
20 1140092 Bolts-RotortoHub;Gunite(5/8”-11)
20 1160029 Washers-RotortoHub;Gunite(5/8”)
20 Bolt-RotortoHub;KIC(M16x2x45HHCS)
20 Washer-RotortoHub;KIC(M16;Hardened)
20 Bolts/Washers-RotortoHub;WaltherEMC
15 20 1660057 WheelNut
16 2 1660597 SpindleNut(CastleNut)Kit
17 2 1660055 Gasket(HubCap)
18 2 1660341 HubCapwithGasket(OilLubrication)-SentinelVent
2 1660054 HubCapwithGasket(OilLubrication)
2 1660305 HubCapwithGasket(Hard/Semi-FluidGreaseLubrication)-SentinelVent
2 1660435 HubCapwithGasket(Hard/Semi-FluidGreaseLubrication)-DuckbillVent
19 12 1144206B105 HHCS5/16”-18NC3/4”length
12 1164263B100 LockWasher5/16”
Pattern 2 Axle components - continued
ENG Page 30 Trailer Axle-Parts-Guide-RevG-09-10-19
(P) - ADB Pattern 3 & 4 Axle 5” Axle and 5 3/4” LDA
Bearing Assembly(Inner)
Caliper Assembly
Hub Assembly
Rotor Assembly
5” Axle or 5 3/4” Large Diameter Axle Parallel Spindle (P)
Dust Shield
Brake Chamber Assembly
Bolt(Caliper �ange)
Hub And Rotor Component
Wheel Stud(Rotor)
Bolt(Hub)
Wheel Nut
Bolt/Lockwasher (Hub Cap)
ABS Sensor
ABS Bushing
Cotter Pin(Spindle Nut)
Hub Seal(Inner)
Bearing Assembly (Outer)
Spindle Nut
Hub Cap (with Gasket)
19
10
1
4
3
2
56
7
8
15
14
13
12
11
17
18
9
916
Gasket(Hub Cap)
See 164-Part Number Descriptions on page 4 for axle identification.
164xxxPxxxx – Wabco Caliper
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 31 ENG
(P) - ADB Pattern 3 & 4 AxleWabco PAN™ 19
DWGNo.
QT Y (Per Axle) Par t No. Item Description
1 1 1660428 SPGBRKCHMBRASY(18/24),45Deg.(20K/23Kbrakerating)1 1660429 SPGBRKCHMBRASY(18/24),135Deg.(20K/23Kbrakerating)1 1660351 SPGBRKCHMBRASY,(20/24),45Deg.(20Kbrakerating)1 1660352 SPGBRKCHMBRASY,(20/24),135Deg.(20Kbrakerating)1 1660203 SPGBRKCHMBRASY,(24/24),45Deg.(23Kbrakerating)1 1660204 SPGBRKCHMBRASY,(24/24),135Deg.(23Kbrakerating)1 1660456 Brakeactuator,ServiceOnly,Type18,40Deg.1 1660457 Brakeactuator,ServiceOnly,Type18,140Deg.1 1660433 BrakeActuator,ServiceOnly,Type20,45Deg.1 1660434 BrakeActuator,ServiceOnly,Type20,135Deg.1 1660205 BrakeActuator,ServiceOnly,Type24,45Deg.1 1660206 BrakeActuator,ServiceOnly,Type24,135Deg.
2 1 1660467 CaliperAssembly(Left-Hand)1 1660468 CaliperAssembly(Right-Hand)1 1660496 PadKit,PAN19(Not Shown)
3 12 1130058 (5”Axle) HexHeadCapScrew(HHCS)M16x1.5x50mm;GR10.910 1130056 (LDA)HexHeadCapScrew(HHCS)M16-1.5x59mm;GR10.92 1130057 (LDA) HexHeadShoulderCapScrew(HHSCS)M16-1.5x59mm;GR10.9
4 2 1660500 Dust Shield5 2 1664702B003 ABS-Sensor6 2 1664702B002 ABS-Bushing7 2 1660373 CotterPin(SpindleNut)8 2 1660494 HubSeal(Inner)-NationalGoldPTFE
2 1660276 HubSeal(Inner)-STEMCOGuardian® HP9 2 1660304 BearingCone-3.5”ID(Inner/Outer)
10 2 1660466 HubandRotorComponent(FP)-PAN1911 2 1660495 RotorAssembly,PAN1912 16 1660083 WheelStud-M22x1.5;4.79”length13 Not Avail. PAN19HubOnly,Cast14 10 1660083 SocketHeadCapScrew(SHCS)M12x1.7535mm;GR12.915 20 1660057 WheelNut16 2 1660597 SpindleNut(CastleNut)Kit17 2 1660055 Gasket(HubCap)18 2 1660341 HubCapwithGasket(OilLubrication)-SentinelVent
2 1660054 HubCapwithGasket(OilLubrication)2 1660305 HubCapwithGasket(Hard/Semi-FluidGreaseLubrication)-SentinelVent2 1660435 HubCapwithGasket(Hard/Semi-FluidGreaseLubrication)-DuckbillVent
19 12 1144206B105 HHCS5/16”-18NC3/4”length12 1164263B100 LockWasher5/16”
ENG Page 32 Trailer Axle-Parts-Guide-RevG-09-10-19
(S) - ADB Pattern 5 AxleWabco PAN™ 17
Wheel Bearing(Inner)
Caliper Assembly
Hub Assembly
Rotor Assembly
5” AxleTapered Spindle (N)
Dust Shield
Gasket(Hub Cap)
Brake Chamber Assembly
Bolt/Washer(Caliper �ange)
Wheel Stud(Rotor)
Bolt (Hub)
Wheel Nut(Flanged)
Bolt/Lockwasher (Hub Cap)
ABS Sensor
ABS Bushing
Hub Seal(Inner)
Wheel Bearing(Outer)
Spindle Nut
Hub Cap (with Gasket)
10
1
4
3
2
56
7
8
15
16
1413
1211
1718
9
See 164-Part Number Descriptions on page 4 for axle identification.
164xxxSxxxx – Wabco Caliper
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 33 ENG
ADB Pattern 5 - Wabco PAN™ 17
DWGNo.
Q ty (Per Axle) Par t No. Item Description
1 1 1660351 SPGBRKCHMBRASY,(20/24),45Deg.(20Kbrakerating)
1 1660352 SPGBRKCHMBRASY,(20/24),135Deg.(20Kbrakerating)
1 1660433 Brakeactuator,ServiceOnly,Type20,45Deg.
1 1660434 Brakeactuator,ServiceOnly,Type20,135Deg.
2 1 1660462 CaliperAssembly(Left-Hand)
1 1660463 CaliperAssembly(Right-Hand)
1 1660497 PadKit,PAN17(Not Shown)
3 12 1140093 HexHeadCapScrew(HHCS)M14-1.5X45mm;GR10.9
12 1160030 FlatWasher,M14
4 1 1660503 Dust Shield
5 2 1664702B010 ABS-Sensor
6 2 1664702B002 ABS-Bushing
7 2 1660458 (Inner)HubSeal-NationalGoldPTFE
8 2 1664206B008 (Inner)WheelBearingCone(3.543”ID)
9 2 1660487 Rotor325mmX34mm,PAN17
10 16 1660083 WheelStudM22x1.5;4.79”length
11 2 1660488 HubAssembly-FN,PAN17
12 16 1130059 SocketHeadCapScrew(SHCS)M16-2.0X40mm
13 16 1660057 FlangedWheelNut–M22x1.5(Torque to 450-500 ft-lb)
14 2 1664206B009 (Outer)WheelBearing(2.625ID)
15 2 1664206B014 SpindleNutKit
16 2 1664206B007 Gasket(HubCap)17 2 1664206B006 HubCapw/Gasket(OilLubrication)-SentinelVent
2 1660155 HubCapw/Gasket(Hard/Semi-FluidGreaseLubrication)-DuckbillVent
18 12 1144206B105 HHCS5/16”-18NC3/4”length
12 1164263B100 LockWasher5/16”
ENG Page 34 Trailer Axle-Parts-Guide-RevG-09-10-19
Dwg No. Qty per Axle Part Number Description
A 1 1660446 GuidePinBootKit
B 2 1660451 ShearAdapter
C 2 6040148 Rubberplug
D 2 1660443 Seal&GuideBoltKit
E 2 1660445 TappetsKit(includestappetandboot)
(E) Tappets Kit
(A) Guide Pin Boot Kit
ActuatorNut
(C) Rubber Plug/Cap
Components �t both right- and left-hand caliper assemblies
(D) Seal & Guide Bolt Kit
(B) Shear Adapter
Bendix Caliper - Service Parts
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 35 ENG
(E) Caliper Bushing Bore Cap Kit
(D) Rubber Plug
(A) Pressure Plate
Components �t both right- and left-hand caliper assemblies
(B) Seal and Guide Bolt Kit
(C) Clamping Unit Seal
Wabco Caliper - Service Parts
Dwg No.
Qty per Axle Part Number Description
A 2 1660557 PressurePlate–PAN172 1660558 PressurePlate–PAN192 1660559 PressurePlate–PAN22
B 2 1660498 SealandGuideBoltKit–PAN172 1660390 SealandGuideBoltKit–PAN22
C 2 1660612 SealsforClampingUnit–PAN17;PAN19;PAN22
D 2 1660365 Rubber(Gaiter)Plug–PAN17;PAN19;PAN22
E 1 1660541 CaliperBushingBoreCapKit–PAN19;PAN22
1 Not Avail. PAN17Toolkit–(Wabco-6401755212)
1 6100068 PAN19;PAN22Toolkit(Basic)
1 6100078 PAN19;PAN22Toolkit
ENG Page 36 Trailer Axle-Parts-Guide-RevG-09-10-19
Axle/Wheel End Components- Torque Specifications
Axle/Wheel End Components – Torque Specifications* Component Type Component Description foot-pound Newton-meter
Spindle Nut See Wheel Bearing Adjustment Procedure
Brake Chamber Mounting Fastener
5/8”MountingHardware 110-150ft-lb 149-203N-m
ADB Hub-to-Rotor Fastener
(Locknut required)
RidewellPatternOne–CastIronHubGunite®PatternTwo–CastIronHub
ConMet®PatternTwo–AluminumHubWabcoPAN™19–PatternThree/Four
WabcoPAN™17–PatternFive
229-258ft-lb 310-350N-m210-230ft-lb 285-312N-m180-210ft-lb 244-285N-m100-103ft-lb 135-140N-m180-200ft-lb 248-272N-m
ADB Caliper Mounting Fasteners
WabcoPAN™22–PatternOneWabcoPAN™22–PatternTwo
WabcoPAN™19–PatternThree/FourWabcoPAN™17–PatternFive
BendixADB22X™/22X-LT™–PatternTwo
199-229ft-lb 270-310N-m342-395ft-lb 464-536N-m199-229ft-lb 270-310N-m118-148ft-lb 160-200N-m
Step 1Pre-Torque:20-60ft-lb 27-81N-mStep 2Final:350-400ft-lb 475-542N-m
Automatic Slack Adjuster -to-Push Rod
Jamnut–pushrod-to-clevis (5/8-18)400in-lb 45.19N-m
Wheel Nut Hub-Piloted - Flanged
Stud-Piloted-Ball-Seat
M22x1.5x33(1.30”x1.22”)
3/4”x16450-500ft-lb 610-678N-m450-500ft-lb 610-678N-m
Do not use motor-driven screw or torque tools on hub cap fasteners.
Hub Cap Bolt HHCS5/1618NC3/4”long/LockWasher 12-16ft-lb(144-192in-lb) 16-22N-m
*Refer to original equipment manufacturer for complete torque specifications.
Failure to install/maintain fasteners at torque could result in suspension failure and void warranty.
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 37 ENG
Preventive Maintenance
RidewellSuspensionsrecommendsthefollowingminimumserviceintervalsforstandardduty,on-highwayusagesuspen-sionapplications.Morefrequentintervalsarerecommendedforheavierdutyapplications. Daily/Pre-Trip Inspections___ Checktiresforproperinflation,damage/excessivewear.___ Checkoil-levelinwheelhubandinspectwheel-endsforobvi-
oussignsoflubricantleakage.Checksuspensionandwheelendsformissingcomponents.
___ Visuallyinspectsuspensionstructureforsignsofdamageorexcessivewear.
___ Checkforloose/missingbolts/nuts.Checksuspensioncompo-nentsforirregularmovement.
___ Makesureaircontrolsareoperatingproperly.Drainallmois-turefromairreservoirs.
First 6,000 miles of use___ Torqueallcomponentbolts/nutsto
specifications(Referto Manufacturer’sSpecifications).
Every 12,000 miles of use___Inspectairspringsfordamageorexcessivewear. Torqueairspringbolts/nutsto specifications(Referto Manufacturer’sSpecifications).
___Checkairlinesandconnectionsforleaks.
Every 50,000 miles of use___ Torqueallcomponentbolts/nutstospeci-
fications(RefertoManufacturer’sSpec.).
___Lubecamshaftbushings/brakeadjusters.
Annually/100,000 miles of use___Inspectpivotconnectionforwornpivot
bushingandwearwashers.Replaceasnecessary.Torquesuspensioncomponent bolts/nutstospecifications(RefertoManufacturer’sSpec).
___Checkarmbeam-to-axlewelds.___Checklubricationlevelinwheelends: 1)Oil-FilledWheelEnds:
Refill/Replacelubricantasneeded (RP 631 “100K/Annual Inspection”). 2) Semi-FluidGrease: Pullouterbearingandvisuallyinspectlubricationlevel.Replaceasneeded (RP 631 “Level 3 Lubrication Level Inspec-tion” and RP 618 “Wheel Bearing Adjustment Procedure”).
___Checkairlines/connectionsforleaks.___Checkdisc/drumbrakeairchambersand
slackadjusters.___Inspectbrakerollers,rollershafts,anchor
pinsandbushings.Replace,ifnecessary.___Checkshoesforbentshoeribs,
cracksinshoetableweldsorribs,andelongatedrivetholes.Replaceshoes,ifnecessary.
Failuretotorquethebolts/nutsofsuspensioncomponentstospecificationscanresultinfailureofthesuspensionandvoidingofthewarranty.
Ridewell suggests the Technology & Maintenance Council (TMC) publications for additional information.
TMCRP222 User’sGuidetoWheelsandRimsTMCRP604 BrakeChambersforAir-BrakedVehiclesTMCRP607 PreventiveMaintenanceandInspectionof
S-CamFoundationBrakesTMCRP608 BrakeDrumsandRotorsTMCRP609 Self-AdjustingandManualBrakeAdjuster
Removal,InstallationandMaintenanceTMCRP618 WheelBearingAdjustmentProcedureTMCRP619 AirSystemInspectionProcedureTMCRP622 WheelSealandBearingRemoval,Installation
andMaintenanceTMCRP631 RecommendationsforWheelEndLubricationTMCRP651 SteerAxleMaintenanceGuidelinesTMCRP652 ServiceandInspectionofAirDiscBrakesTMCRP656 HubandSpokeWheelFastenerMaintenanceTMCRP708 TrailerAxleAlignmentTMCRP728 TrailerAxleMaintenanceTMCRP1503 BrakeMaintenanceGuidelinesfor
SevereVocationalApplicationsTMCRP1506 TorqueRodMaintenanceGuidelinesfor
VocationalVehiclesTMCRP1509 DriveAxleSuspensionMaintenanceand
InspectionGuidelinesforVocationalVehicles
S-Cam LubricationTheS-Camswillwearifnotlubricatedproperly.Extendedwearinthebushingarea,flatspotsonthecamheadordistortedsplineswillrequireacamreplacement.Youshouldcleaneachgreasefittingandthesurroundingareabeforelubricatinganyvehiclecomponent.LubricatetheS-Camsupportbushinggreasefittingswith#2EPNLGIchassislube.StandardCamAxle–Addlubricanttobothgreasefittingsuntilfreshgreasecanbeseenpurgingfromeachbushingcavity.Wipeawaytheexcessgrease.Covered-CamAxle–Addlubricanttothespider-endgreasefit-tinguntilgreasecanbeseenpurgingfromtheslackadjuster-endofthecover.Wipeawaytheexcessgrease.S-Camsshouldbelubricatedmonthly.Morefrequentserviceintervalsmaybeneededinsomeapplications.
ENG Page 38 Trailer Axle-Parts-Guide-RevG-09-10-19
Brake Chamber Part Number for Ridewell Suspensions Listed by Ports Location After Standard Installation* (RAR-251 and RT-201 Suspensions not included. Not all chamber combinations are available for each suspension type )
Long PinShort Pin
Chamber Port Towards Axle - Long Pin SideRAR-240 Overslung, Underslung, Yoke
RAR-260/200 OverslungRAR-266 Overslung
RSS-233/233T Truck and TrailerChamber
SizeChmbr Part #-Driver’s Side
Chmbr Part #-Curb Side
**T-16 1660452T-18 1660456 1660457T-20 1660433 1660434T-24 1660206 1660205
16/24 1660580 166058118/24 1660429 166042818/24 1660566 166056720/24 1660352 166035124/24 1660204 1660203
Chamber Port Away from Axle - Long Pin SideRCA-215/215T Truck and Trailer
ADB Chamber Size
Chmbr Part #-Driver’s Side
Chmbr Part #-Curb Side
**T-16 1660452T-18 1660457 1660456T-20 1660434 1660433T-24 1660205 1660206
16/24 1660581 166058018/24 1660428 166042918/24 1660567 166056620/24 1660351 166035224/24 1660203 1660204
*Orientation of brake chamber on top of axle is shown for illustration purposes only.
Driver’s Side Chamber - Viewed from Inside
Wheel Rotation
Port Away From Axle - Short Pin Side2400209 Yoke
RUL-245-245T Truck and TrailerADB
Chamber SizeChmbr Part #-Driver’s Side
Chmbr Part #-Curb Side
**T-16 1660452T-18 1660456 1660457T-20 1660433 1660434T-24 1660206 1660205
16/24 1660580 166058118/24 1660429 166042818/24 1660566 166056720/24 1660352 166035124/24 1660204 1660203
**T-16 Brake chambers have a zero-degree port – “towards” and “away from” axle locations do not apply.
RAR-266 Low Mount (Underslung)Refer to Engineering Drawing for brake chamber port orientation
Air Disc Brakes (ADB) – Brake Chamber Port Location
Replacementofadiscbrakechamberanditsintegrationintothevehicle’sairsystemdependsuponwhichsideoftheaxlethatthebrakeassemblyistobeinstalled,andthelocationofthebrakechamberports–ei-thertowardsorawayfromtheaxle.Insomecases,thecorrectbrakeassemblyfortheleft-hand(driver’sside)ortheright-hand(curbside)sideoftheaxlewillbeindicatedbyanarrowonthecaliper.Thebrakedisc’sdirectionofrotationduringfor-warddrivingcanbefoundbylookingfortheLong(“FixedPosition”)Pinonthecaliper.Thewheelrotatesforward(towards)pastthelongpintotheShort(“FloatingPosition”)Pin.Inadditiontoshowingwheelrotation,thelocationoftheADBchamberportsinrelationtotheaxle(to-wardsoraway)willbeindicatedbytheshortorlongpin(side)ofthebrakecaliper.RefertotheTechnology&MaintenanceCouncil(TMC)RecommendedPractices “RP-604 Brake Chambers for Air-Braked Vehicles”and“RP-652 Service and Inspection of Air Disc Brakes” formaintenance/replacementinformation.
Trailer Axle-Parts-Guide-RevG-09-10-19 Page 39 ENG
Anautomatictireinflationsystem(ATIS)isdesignedtomonitorandmaintainthecorrectairpressureinsidethetiresonavehicle.
ATIS OperationTheautomatictireinflationsystemredi-rectsairfromthevehicle’sairsystemtomaintaintheproperairpressureinthetires.Amonitorsystemreportsreal-timetire-pressureinformationtothedriverwithalow-pressurewarninglight.
Advantages of an ATISExtended Tire Life: Under-inflatedtiresarethemaincauseoftirefailureandcon-tributetotiredisintegration,heatbuildup,plyseparationandsidewall/casingbreak-downs.Inaddition,tiresthatareproperlyinflatedimprovefueleconomywhileadd-inggreaterstability,handlingandbrakingefficienciesforincreasedvehiclesafetyontheroad.
ContactRidewellCustomerServicefortheaxleandwheel-endpreparationneededforasingle-ordual-wheelATISsystem.
ATIS Installations offered by RidewellPressure Systems International (P.S.I.®) www.psitireinflation.com
ThermAlert®
Sales Literature MTIS by P.S.I. Brochure
Service Literature Maintenance and Install Manual Parts Book How to maintain MTIS by P.S.I. How to adjust the Control Box
Driver’s Literature Driver’s Checklist(www.psitireinflation.com/resources#downloads)
ATIS Axle Installation – Preparation OptionsBasic (1-Hole) One 1/8” NPT hole drilled and tapped in the top
center of the axle.* Includes Plug.Fully Prepped Basic axle preparation plus wheel-end component
drill/tap and ATIS air-fittings installation. Air system connection hoses not included.
Aeris® Tire Inflation System STEMCO www.stemco.com
Standardor
SmartSense®
Sales Literature Aeris Tire Inflation System (Brochure-571-3183) Aeris with SmartSense (Brochure-571-3086)
Service Literature Installation/Service Guide Aeris Replacement Parts Guide(www.stemco.com/product/automatic-tire-inflation-system)
ATIS Axle Installation – Preparation OptionsBasic (3-Hole) Three 1/4” NPT holes drilled and tapped in the top of
the axle (10” spacing).* Includes Plugs.Fully Prepped Basic axle preparation plus wheel-end component
drill/tap and ATIS air-fittings installation. Air system connection hoses not included.
*Note: Do not use a drill for tapping. The use of a drill to tap holes can lead to breaking the tap or the threads being too deep inside the axle.
Automatic Tire Inflation System(ATIS)
ENG Page 40 Trailer Axle-Parts-Guide-RevG-09-10-19
Terms and coverage in this warranty apply only to the United States and Canada.
RidewellSuspensionswarrantsthesuspensionsystemsmanufacturedbyittobefreeofdefectsinmaterialandworkmanship.Warrantycoverageappliesonlytosuspensionsthathavebeenproperlyinstalled,maintainedandoperatedwithintheratedcapacityandrecommendedapplicationofthesuspension.Theresponsibilityforwarrantycoverageislimitedtotherepair/replacementofsuspensionparts.Theliabilityforcoverageofpurchasedcomponentsislimitedtotheoriginalwarrantycoverageextendedbythemanufacturerofthepurchasedpart.AllworkunderwarrantymusthavepriorwrittenapprovalfromtheRidewellwarrantydepartment. Ridewellhasthesolediscretionandauthoritytoapproveordenyaclaimandauthorizetherepairorreplacementofsuspensionparts.Allpartsmustbehelduntilthewarrantyclaimisclosed.PartsthatneedtobereturnedforwarrantyevaluationwillbeissuedaReturnedMaterialsAuthoriza-tion(RMA).PartsmustbereturnedtoRidewellwiththetransportationchargesprepaid.Thetranspor-tationchargeswillbereimbursedifthewarrantyclaimisapproved.Thisnon-transferablewarrantyisinlieuofallotherexpressedorimpliedwarrantiesorrepresentations,includinganyimpliedwarrantiesofmerchantabilityorfitnessoranyobligationsonthepartofRide-well.Ridewellwillnotbeliableforanybusinessinterruptions,lossofprofits,personalinjury,anycostsoftraveldelaysorforanyotherspecial,indirect,incidentalorconsequentiallosses,costsordamages.
Contact the Ridewell Warranty Dept. at 417.833.4565 - Ext. 135, for complete warranty information.
Warranty