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SM300 ZTR Jumper TSB LAY-TSB-15-002 -...

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Page 1 LAYMOR | 401 Capacity Drive; Longview, TX 75604 | PH (800) 458-3238 | FAX (903) 297-7903 SM300 ZTR Jumper TSB LAY-TSB-15-002 Date: March 12, 2015 Model: SM300 Product Issue: Laymor has determined that the ZTR module relay is wired to battery power causing a quiescent drain on the battery. Battery drain is expected if unit is left parked for 10-15 days or more. Units affected: SM300 units 35627, 35628 and 35629 Parts kit: Sealed butt/solder splices two required Overview: Units involved in this are to follow the standard Laymor warranty procedure. See Illustrations below for an overview of the scope of the repair. Tools needed: Wire cutters/strippers, crimping pliers Approved SRT:
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Page 1: SM300 ZTR Jumper TSB LAY-TSB-15-002 - LayMorlaymor.com/wp-content/uploads/2016/04/LAY-TSB-15-002.pdfPage 1 LAYMOR | 401 Capacity Drive; Longview, TX 75604 | PH (800) 458-3238 | FAX

Page 1

LAYMOR | 401 Capacity Drive; Longview, TX 75604 | PH (800) 458-3238 | FAX (903) 297-7903

SM300 ZTR Jumper TSB LAY-TSB-15-002

Date: March 12, 2015 Model: SM300 Product Issue: Laymor has determined that the ZTR module relay is wired to battery power causing a quiescent drain on the battery. Battery drain is expected if unit is left parked for 10-15 days or more. Units affected: SM300 units 35627, 35628 and 35629 Parts kit: Sealed butt/solder splices two required Overview: Units involved in this are to follow the standard Laymor warranty procedure. See Illustrations below for an overview of the scope of the repair. Tools needed: Wire cutters/strippers, crimping pliers Approved SRT:

Page 2: SM300 ZTR Jumper TSB LAY-TSB-15-002 - LayMorlaymor.com/wp-content/uploads/2016/04/LAY-TSB-15-002.pdfPage 1 LAYMOR | 401 Capacity Drive; Longview, TX 75604 | PH (800) 458-3238 | FAX

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LAYMOR | 401 Capacity Drive; Longview, TX 75604 | PH (800) 458-3238 | FAX (903) 297-7903

The Laymor approved standard repair time for this service bulletin is .5 hours.

Instructions: Pullunitintoapprovedlevelworkarea.Turntheengineoffandplaceitinpark.TheprimarygoalofthesereworkinstructionsistochangetheRelaypowersupply,pins30and86,frombatterypowertoignitionpower.

1. FindZTRjumper/relayundertherightsideofthedashpanel.a. YoucanfollowthecableleadingfromtheZTRmodule,mountedto

therightsideofthedashsupportcolumn,totheZTRjumper.2. CarefullynotewherethejumperconnectsintotheSM300electrical

system.a. Attheendofthisprocessthejumperwillneedtobere-installedin

thesamemanner.3. DisconnecttheZTRjumper,picturedbelow,fromrestofunit’selectrical

system.a. Cutthewhitewireinawaywhichisadvantagesforre-splicingduring

reconnection.

Page 3: SM300 ZTR Jumper TSB LAY-TSB-15-002 - LayMorlaymor.com/wp-content/uploads/2016/04/LAY-TSB-15-002.pdfPage 1 LAYMOR | 401 Capacity Drive; Longview, TX 75604 | PH (800) 458-3238 | FAX

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LAYMOR | 401 Capacity Drive; Longview, TX 75604 | PH (800) 458-3238 | FAX (903) 297-7903

b. 4. Removeloomandtapefromjumper.Disconnectrelay.

a.

Page 4: SM300 ZTR Jumper TSB LAY-TSB-15-002 - LayMorlaymor.com/wp-content/uploads/2016/04/LAY-TSB-15-002.pdfPage 1 LAYMOR | 401 Capacity Drive; Longview, TX 75604 | PH (800) 458-3238 | FAX

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LAYMOR | 401 Capacity Drive; Longview, TX 75604 | PH (800) 458-3238 | FAX (903) 297-7903

b. 5. Cuttheredandwhitewiresleadingfromthegreyconnectorasdescribed

andshownbelow.a. Cuttheredwireapproximately1inchfromthesplicealready

present.b. Cutthewhitewireatapproximatelythesamelocation.

6. Cuttheredwirewithringterminalcomingfromthealreadypresentspliceflushtothesplice.

a. 7. Stripthefollowingwires

a. Redandwhitewireswithterminals.

Page 5: SM300 ZTR Jumper TSB LAY-TSB-15-002 - LayMorlaymor.com/wp-content/uploads/2016/04/LAY-TSB-15-002.pdfPage 1 LAYMOR | 401 Capacity Drive; Longview, TX 75604 | PH (800) 458-3238 | FAX

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LAYMOR | 401 Capacity Drive; Longview, TX 75604 | PH (800) 458-3238 | FAX (903) 297-7903

b. Redandwhitewiresextendingfromthegreyconnector.c. Redwireextendingformthealreadypresentsplice.

8. Splicethewhitewire(comingfromthegrayconnector),thewhitewire(withtheterminal),andtheredwire(extendingfromthealreadypresentsplice)together.Splicetheredwire(comingfromthegrayconnector)totheredwire(withtheterminal).

a. Ensurethateachwireissecurelysplicedandthatthespliceisenvironmentallysealedeitherthroughheatshrinkortape.

b. 9. Tapethewirestogetherintoabundleandre-loomthejumper.

Page 6: SM300 ZTR Jumper TSB LAY-TSB-15-002 - LayMorlaymor.com/wp-content/uploads/2016/04/LAY-TSB-15-002.pdfPage 1 LAYMOR | 401 Capacity Drive; Longview, TX 75604 | PH (800) 458-3238 | FAX

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LAYMOR | 401 Capacity Drive; Longview, TX 75604 | PH (800) 458-3238 | FAX (903) 297-7903

a. 10. Re-installtherelayandconnectthejumperbackintothesweeperelectrical

systeminthesamemannerinwhichitwasinstalledpriortoremoval.

Page 7: SM300 ZTR Jumper TSB LAY-TSB-15-002 - LayMorlaymor.com/wp-content/uploads/2016/04/LAY-TSB-15-002.pdfPage 1 LAYMOR | 401 Capacity Drive; Longview, TX 75604 | PH (800) 458-3238 | FAX

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LAYMOR | 401 Capacity Drive; Longview, TX 75604 | PH (800) 458-3238 | FAX (903) 297-7903

REVISIONHISTORY

REVISION DATE DESCRIPTIONOFCHANGE0 03-12-15 NEWPROCEDUREAPPROVALS: DATE:AUTHOR DanalsDunavan 03-12-15ElectricalEngineerNicholasBeardsley03-12-15DirectorofEngineering JimKeough 03-12-15DirectorofQuality BarbaraMcCullough03-12-15


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