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Aircraft Towbars
Manufactured by Cavotec Fladung
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2 • Aircraft Towbars
Who we areCavotec is a multi-national group ofcompanies serving the followingindustries: mining and tunnelling, portsand maritime, steel and aluminium,energy and offshore, airports, generalindustry and automation. In the early1960’s our main focus was the designand production of motorised cable reelsprimarily for manufacturers of towercranes, harbour cranes and miningequipment. Today, Cavotec is connectingmobile equipment around the world inmany diverse applications.
Where we areThe Cavotec Group consists of 7manufacturing “Centres of Excellence”located in Canada, France, Germany,Italy, Norway and Sweden and by 5 localmanufacturing units located in Australia,China, Germany and the USA. For thedistribution of products and providingsupport to customers Cavotec has 27sales companies which, together with anetwork of distributors, serve more than30 countries in five continents. The ultimate objective is to be perceivedas “local everywhere”.
How we workOur aim is to work closely with ourcustomers in order to build long-termpartnerships. To achieve this aim wehave created a working environmentthat attracts the best people, encouragesthem to stay and brings out their bestqualities. By producing totally reliablesystems and backing them with efficientservice, we strive to create true customersatisfaction.
Aircraft Towbars
Cavotec FladungEstablished in 1968, the Fladung company has grown into a leader in the field of innovative ground support systems. Starting withthe supply of 400Hz technology to airports, the company soon started to expand their range of systems for the airport industry.
In 2003 the company became a member of the Cavotec Group, and started operating as Cavotec Fladung GmbH. Today, the com-pany is seen as one of the leading ground support equipment manufacturers in the world. With an extensive range of undergroundand above ground supply systems, coupled with innovations like the Power and PCA Caddys, Cavotec Fladung has become a natu-ral choice for airport operators around the world.
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Aircraft Towbars • 3
Cavotec Group Organisation
As shown here the Cavotec Group is organized to support its customersaround the world through itsmanufacturing units and salescompanies.
Each Cavotec manufacturing company,no matter where it is located, aims at being a market leader in its fieldby providing innovative and reliableproducts to Group customers.
Each Cavotec sales company, in the 27countries where they operate, aims atbetter serving its local market followingthe Group philosophy “to be localeverywhere”.
* Branch Office
Manufacturing network
Centres of Excellence
FranceCavotec RMSSpring Driven Reels
GermanyCavotec AlfoSpring Driven ReelsSlipring Columns
Cavotec FladungAircraft Support SystemsSecurity Systems
ItalyCavotec SpecimasMotorized Cable ReelsPanzerbelt Cable ProtectionSlipring Columns
NorwayCavotec Micro-controlRadio Remote Controls
SwedenCavotec ConnectorsElectrical Plugs & Sockets
New ZealandCavotec MoorMasterAutomated Mooring Systems
Local Manufacturing
AustraliaCavotec AustraliaMotorized Cable Reels
ChinaCavotec ChinaProduct Assembly
GermanyCavotec Micro-controlRadio Remote Controls
SwedenCavotec SwedenProduct Assembly
USACavotec USAProduct Assembly
Group Partners
BelgiumGantryCrane Rail Systems
ItalyBrevetti StendaltoCable ChainsPrysmian (Pirelli)Flexible CablesTratos CaviFlexible Cables
Sales network
Cavotec Sales Companies
Cavotec Australia
Cavotec Belgium*
Cavotec BeNeLux
Cavotec Brazil*
Cavotec Canada
Cavotec Chile
Cavotec China
Cavotec Denmark
Cavotec Finland
Cavotec France
Cavotec Germany
Cavotec Hong Kong
Cavotec India
Cavotec Italy
Cavotec Korea
Cavotec Latin America
Cavotec Mexico
Cavotec Middle East
Cavotec Norway
Cavotec Russia*
Cavotec Singapore
Cavotec South Africa
Cavotec Sweden
Cavotec Turkey
Cavotec UK & Ireland
Cavotec USA
* Branch Office
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Aircraft Towbars
Specially desgined aircraft towbars havesince many years been an integral partof the complete Cavotec Fladung range.Thanks to their innovative designfeatures and high quality, the CavotecFladung towbars are capable of towingall types of aircraft from all majormanufacturers such as Boeing, Airbus,Tupolev, Ilushyn, Saab.
The standard available tube lengths are3.510mm, 4.430mm and 6.885mm.Each can be fitted with optional featuressuch as torsion adapters, shockabsorbers and a pivoting towing eye.
The towing tubeThe main part of any aircraft towbar isthe towing tube. Cavotec Fladungtowbars all feature either a specialaluminium or steel tube. Each individual
towbar is specifically designed for acertain type of aircraft and is thereforecapable of towing any load related tothat individual aircraft. The tube comesequipped with handles on both endsand a towing eye with a 76mm diameter(NATO towing eye).
Undercarriage and hydraulicsThe towbar undercarriage consists of arectangular tube construction and comesequipped with an optional swing axleand two tyres. Each towbar can beadjusted in height through an hydraulichandpump, allowing it to be raisedtowards the nosewheel hook-up point.Remember that when connected to theaircraft the towbar must be lowered tothe correct transport height. Thelowering speed is adjustable through avalve mounted on the towbar.
The drawing on the next page show thedefault undercarriage and hydraulicsconfigurations of both the standard anduniversal towbars.
Handling extra-long towbarsIt is possible that a situation occurswhere the distance between the towbaradapter head and floor is too low. Thiscan be due to, for instance, the extralength of the towbar or height of thecoupling on the towing truck. As thissituation occurs when the towbar is inits lowered position, the towbar has tobe transported in the raised (upper)position. To ensure a safe operationhowever, the towbar must only be raisedsufficiently to obtain enough spacebetween the adaptor and tarmac apron.
4 • Aircraft Towbars
STANDARD AND UNIVERSAL TYPE
A Cavotec Fladung towbar in action.
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absorber nato-eyesteel handle
adaptermounting
device
adapter changeable restundercarriage with optionalfloating/swing axle
steel oraluminium tube
shear bushingwith pins
security bolt
hydraulic-cylinder handpump
solid rubber or pneumatic tires towbar length: 3150mm/4400mm/6885mm
absorber nato-eyetorsionadapter
adaptermounting
device
adapter steel oraluminium tube
security bolt
hydraulic-cylinder handpumpshear bushingwith pins
undercarriage with optionalfloating/swing axle
changeable adapter head
towhead changing flange
Standard Towbar
Universal Towbar
Aircraft Towbars • 5
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Towbar adapters
A very important part of each towbar isthe adapter head, as it provides theactual connection between tow-truckand aircraft. The adapter is a handoperated locking device fitted withaircraft specific claws that interlock withthe towing device at the nosewheel.
The transfer of force and pressure fromthe towbar to the adapter head goesthrough two specially designed shearbolts. These bolts are constructed insuch a way that when too much force isexerted on the connection they willbreak away, preventing further damageto the nosewheel.
To ensure that the adapter head cannotbe pulled out of the flange, it is fittedwith an additional screw that remains inplace even after the shear bolts havebeen broken. The shear bolts must betightened using a torque wrench andaccording to the specified amount oftorque.
Adapter optionalsThe Cavotec Fladung towbars andadapter heads can be fitted with anumber of optional devices. For theadapter head the most importantoptional is the “Turning Device forAdapter”. This device allows theadapter head to be turned 15° degreesin both directions providingunprecedented flexibility whilemaintaining a completely safeoperating environment.
6 • Aircraft Towbars
M = mediumC = clampK = smallP = lock pin G = large* = with a rotating adapter +/-15°• = III, VI, VII, X, XLAbove towbars are all fitted with steel tubes
Aircraft Carriage Adapter Lengthtype size type mm
A300/310 M C D159x4400
A319/320/321 M C* D159x4400
A330 M C D159x4400
A340- 400 M C* D159x3150
A340/500-600 M C* D159x3150
A380 M C* D159x3150
A300/600(UPS) M C D159x4400
AN12 K P D159x4400
AN 22 G P D159x3150
AN24 M P D159x3150
AN26,30,32 M P D159x3150
ATP K C D4”x3150
ATR42/72 K C D4”x3150
B707/A300 G P D159x4400
B727 K P D159x4400
B737/100 K P D159x4400
B737/200-800 K C D159x4400
B747 K P D159x3150
B757 K C D159x4400
B767 K C D159x4400
B777 K C D159x4400
BAC1 11 K C D159x6000
BD 700 K P D159x3150
C130 M C D159x5x3500
C160 M P D159x6000
Challenger CL600 K P D159x3150
CESSNA 560 XL• K P D4”x3150
CRJ-600-700 K P D159x3150
CRJ 100-200 K P D159x3150
DASH 7 K C D4”x3150
DASH8 K C D4”x3150
DASH 8-400 K C D4”x3150
DC 8 K P D159x3700
DC 9 K P D4”x2660
DC10/L1011 K C D159x3150
Aircraft Carriage Adapter Lengthtype size type mm
DC9 / MD80-95 K P D4”x2660
DO 328 K P D4”x3150
EMB 110 M P D4”x3150
EMB 120 M P D4”x3150
EMB 145 M C D4”x3150
EMB 170 K C D159x4400
F 27 G P D4”x3150
F 28 M P D4”x4400
F 50 G C D159x3150
F 100/F 70 G C D159x4400
Falcon 10/20 G C D4”x3150
Falcon 2000 K C D4”x3150
Falcon 50/90 G C D4”x3150
Gulfstream IV+V K P D4”x3150
HFB 320 K C D4”x3150
HS 146/BAE 146 K C D4”x4430
HS 21 K C D159x3150
IL 18 G P D159x4400
IL 62 M P D159x4400
IL76 (long) G P D159x6600
IL 86/76 G P D159x4400
IL 96 M C D159x3150
L 188 ELEKTRA/P3 M C D4”x3150
METRO III M P D4”x3150
Mini 1000
Mini 2000
Saab 2000 K P D159x3150
Saab 340 K P D159x3150
SE 210/212 P D4”x3150
SF 340 K P D159x3150
TU 134 K P D159x4400
TU 154 G P D159x4400
TU 204 M C D159x4400
YAK 40 K P D159x3150
YAK 42 G P D159x4400
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Aircraft Towbars • 7
A300-310
ATR42
B747
BAC1 11
DASH8
IL18
B707-A300
B757
BAE146
DC9
IL76
B737-100
A320 A330
B767
C130
DO328
L188
B737-200-800
A340
B777
CRJ100
F50
This page provides an overview of thedifferent adapter-heads supplied byCavotec Fladung. Please contact yourlocal Cavotec company for more information concerning the completerange.
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Mini Towbar
The Cavotec Fladung mini-towbar isspecially designed for towing smallaircraft with a maximum of 2000 kgnosewheel weight (or 15% maximumtakeoff weight). It features a steel tubemounted with a special heightadjustable drawbar eye, anundercarriage with soft tyres and anoverall length of only 3.800mm.
Operating this towbar is simple as thenose wheel support-shell is lifted andlowered by hydraulic cylinders operatedeither by handpumps, or by the oil pumpon the aircraft. The lowering speed canbe set over a one-way restrictor with abuilt-in rope winch, enabling easyplacement of the nose wheel into thesupport-shell.
8 • Aircraft Towbars
This towbar is specially designed fortowing small aircraft with upto 2000kgnose wheel weight.
A Cavotec Fladung towbar con-nected to a tow truck atFrankfurt Airport, Germany.
Questionaire
From:Date:
Person in charge:
Stan
Univ
Airc
AlumScre
Num
Steeweld
Floa
Shoc
Pivo
Stee
Stiff
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Aircraft Towbars • 9
Questionaire
To:From:Inquiry NoDate:
Person in charge:
Standard Towbar
Universal Towbar
Aircraft Type
Mini Towbar
for max. 1.000 Kg
Aircraft type
for max. 2.000 Kg
Aluminium tube lengthScrewed on handles one/two on either side
Number of additional shear pins required
Steel tube (standard version) lengthwelded handles one/two on either side
Floating axle
Shock absorber
Pivoting towing eye NATO
Steel towing eye
Stiff axle
Full rubber tyres
Pnematic tyres
Paint: Skydrol resistantStandard white (RAL9010)
Paint: single color (RAL )
Adapter torsion
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10 • Aircraft Towbars
Towbar configuration
A Boeing 747 adapter-head fitted on a steeltube with floating axle.
Towbar fitted with the adapter-head for anIL76/86 type aircraft.
An adapter-head for the Airbus 330 mountedon a standard towbar.
This adapter-head can be used for differentaircraft such as Tu154, IL96 and BAE 146.
Towbar fitted with the adapter-head for DC8aircraft.
Towbar fitted with the adapter-head for IL62aircraft.
Aircraft manufacturers often usecompletely different configurations toconnect to towbars. These variations arenot limited to just the manufacturersbut also to each different type ofaircraft, even if they are from the samecompany.
This is why Cavotec Fladung has a verycomprehensive range of towbars.Ranging from the special mini towbar tothe larger standard and universaltowbars. To further increase theversatility of the range most towbarscan be fitted with different adapter-heads. These adapter-heads arespecifically designed for a certain typeof aircraft and ensure a safe connectionwhen towing.
For more information on all thedifferent towbar and adapter-headpossibilities please contact your localCavotec company.
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Aircraft Towbars • 11
At work around the world
Cavotec Fladung is a global leader inthe supply of specialised ground supportequipment.
A full range of underground and aboveground supply systems coupled withinnovations such as the Power and PCACaddy's, make Cavotec Fladung theobvious choice for airport operatorsaround the world.
For more information concerning therange of ground support equipmentplease contact your local Cavoteccompany or visit www.cavotec.com.
Dual coils mounted under a passengerbridge.
Specialised cable coils at Nice Airport.Cavotec Caddy at work at FRAport, Germany.
A hangar solution in action at Atitech, Italy.
Scissor system FRAport, Germany.400Hz pop up system in action.
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Oct
ober
200
7 - X
2EN
- TO
WBR
- 02
For more information please visit our website www.cavotec.comor contact us directly at info@cavotec.com
We are present in
ArgentinaAustraliaBelgiumBrazilCanadaChileChinaDenmarkEgyptFinlandFranceGermanyHong KongIndiaIndonesiaIrelandItalyJapanKorea
LuxemburgMalaysiaMexicoThe NetherlandsNew ZealandNorwayRussiaSaudi ArabiaSingaporeSouth AfricaSwedenSwitzerlandTaiwanTurkeyQatarU.A.E.U.K. U.S.A.
Head Office Corporate Office
Cavotec MSL Holdings Ltd.Cavotec MSL is listed on the
Cavotec (Swiss) SAVia Serafino Balestra 27CH-6900 Lugano, Switzerland
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