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5

Installation

5.3

Fastening material and tightening torques

Fastening material

Strength

class 8.8

Strength

class 10.9

Hexagonal bolt DIN EN 24014/24017 (DIN 931/933) standard thread

M16

M20

Hexagonal bolt DIN EN 28765/28676 (DIN 960/961) fine thread

M16 x 1.5

M20 x 1.5

Hexagonal bolt DIN 7991

M16 or M16 x 1.5

M20 or M20 x 1.5

210 Nm

410 Nm

225 Nm

460 Nm

170 Nm

330 Nm

260 Nm

500 Nm

280 Nm

500 Nm

250 Nm

400 Nm

ADVICE!

The values shown above are guide values for a coefficient of friction µ tot. = 0.14. Further information is available in VDI 2230.

14

MUB 002 004 M01

(REV-C)

04-2019

JSK 36 & JSK 37

JOST IND (REV-A) 06-2019

JSK 39

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Содержание JSK 39

Страница 1: ...JSK 36 JSK 37 EN Installation and operating instructions JSK 36 JSK 37 EN Installation and operating instructions 9 39 ...

Страница 2: ...aterial and tightening torques 14 6 Servicing and testing 15 6 1 Servicing instructions 15 6 1 1 Fifth wheel coupling with manual lubrication 15 6 1 2 Fifth wheel coupling with central lubrication connection version Z 16 6 1 3 Low maintenance fifth wheel coupling with top plate liners version W 16 6 1 4 Grease specification 17 6 2 Lubrication instructions 18 6 3 Test instructions 20 6 4 Wear test ...

Страница 3: ...n occur if the relevant safety instruc tions are not followed ATTENTION Means that slight physical injury or material damage can occur if the relevant safety instructions are not followed ADVICE Contains additional important information EN JSK 36 JSK 37 MUB 002 004 M01 REV C 04 2019 3 JOST IND REV A 06 2019 ...

Страница 4: ...heel coupling and skid plate on the se mi trailer if they are in perfect technical condition The front edge of the skid plate must not be sharp otherwise it may damage the fifth wheel coupling or the top plate liners Comply with the relevant safety regulations when connecting a semi trailer for example the Health and Safety at Work Regu lations Only couple up a semi trailer on firm flat ground Whe...

Страница 5: ...st be provided between the fifth wheel coupling and the vehicle chassis in vehicles that are used for transporting hazardous substances In general bolt connections are to be tightened to the tightening torque specified as a setpoint for torque wrenches as per DIN ISO 6789 in classes A or B The fifth wheel coupling must be installed on the vehicle in accor dance with the requirements of Annex 7 of ...

Страница 6: ... modifications reserved The latest information can be found at www jost world com 3 2 Unintended use The following will be deemed to be unintended use Use of king pins which do not comply with the ISO 337 or DIN 74080 standards Use of defective king pins Defects may include for example damage to the king pin incorrect dimensions and installation on uneven or damaged skid plates Use with plastic di...

Страница 7: ...ight of the semi trailer t T Permissible gross weight of the tractor unit including U t U Maximum imposed load t D g x kN 0 6 x T x R T R U Sample calculation R 33 t T 17 t U 10 5 t D 9 81 x 83 6 kN 0 6 x 17 x 33 17 33 10 5 Please see the adjacent table for the permitted load data for JOST fifth wheel couplings This information is also listed in the relevant JOST catalogue sheets and stamped on th...

Страница 8: ... kN 3 Maximum imposed load U in t 4 Article no 5 Factory number 6 Type Permissible load data ECE Test symbol and approval number Type Fifth wheel coupling Im posed load U t D value kN E1 55R 01 0116 JSK37C JSK37C JSK37CW 20 152 JSK37E JSK37EW JSK37ER JSK37ERW 20 152 JSK37EA JSK37EAW 18 135 E1 55R 01 0294 JSK37E JSK37ME140 JSK37ME140W 15 126 E1 55R 01 1929 JSK37CX JSK37CX 24 170 E1 55R 01 1927 JSK3...

Страница 9: ...3 Lock jaw 4 King pin 5 Safety catch 4 2 Fifth wheel coupling ready for engagement G50 18 1 2 3 4 5 1 Handle 2 Locking bar 3 Lock jaw 4 King pin 5 Safety catch EN JSK 36 JSK 37 MUB 002 004 M01 REV B 12 2018 9 1 2 3 4 latch latch JSK 39 JOST IND REV A 06 2019 1 2 3 4 JOST IND REV A 06 2019 JSK 39 ...

Страница 10: ...ures G50 20 G50 21 and G50 22 4 4 Coupling up a semi trailer Secure the semi trailer to prevent it rolling away The fifth wheel coupling must be ready to engage see section 4 2 If it is not open the fifth wheel coupling see section 4 3 Check the height of the semi trailer The skid plate must ideal ly be at the same height as or no more than 50 mm lower than the fifth wheel coupling plate Drive the...

Страница 11: ...under the semi trailer The fifth wheel coupling is automatically ready for engagement again see section 4 2 4 6 Checking the locking mechanism G50 23 1 The catch 1 must be down as shown JSK40 15 ATTENTION The skid plate must rest on the fifth wheel coupling without a gap G50 31 ADVICE To prevent the fifth wheel coupling being opened without authorisation a se curity device for example a padlock ca...

Страница 12: ...st plates with zero play Use the welding methods set out by the manufacturers of the vehicle and mounting plate for this purpose see section 5 2 There is no need to use thrust plates however if it can be ensured that the correct tightening torque for the bolts and therefore the per fect friction contact can be generated and maintained at all times The bolt connections are therefore to be designed ...

Страница 13: ...onal bolt DIN EN 28765 28676 DIN 960 961 M16 x 1 5 8 8 8 Washer 17 DIN7349 6 thick min HV295 9 Optional washer min HV295 or disc spring 10 Hexagonal nut DIN980 M16 x 1 5 8 8 or M20 x 1 5 8 8 11 Hexagonal bolt DIN EN 28765 28676 DIN 960 961 M16 x 1 5 8 8 or M20 x 1 5 8 8 12 Optional washer disc spring ADVICE Tightening torques must absolutely be adhered to see section 5 3 EN JSK 36 JSK 37 MUB 002 0...

Страница 14: ...EN 28765 28676 DIN 960 961 fine thread M16 x 1 5 M20 x 1 5 Hexagonal bolt DIN 7991 M16 or M16 x 1 5 M20 or M20 x 1 5 210 Nm 410 Nm 225 Nm 460 Nm 170 Nm 330 Nm 260 Nm 500 Nm 280 Nm 500 Nm 250 Nm 400 Nm ADVICE The values shown above are guide values for a coefficient of friction µ tot 0 14 Further information is available in VDI 2230 14 MUB 002 004 M01 REV C 04 2019 JSK 36 JSK 37 JOST IND REV A 06 2...

Страница 15: ... be checked The unevenness of the skid plate must be no more than 2 mm in the load bearing section of the fifth wheel coupling The skid plate must cover the fifth wheel coupling s set down surface in every position 6 1 1 Fifth wheel coupling with manual lubrication At short intervals at the latest every 5 000 km Uncouple the semi trailer Clean the fifth wheel coupling and the skid plate Grease the...

Страница 16: ...x months in harsh condi tions every 25 000 km Uncouple the semi trailer Clean the skid plate and the king pin Lightly grease the king pin and the locking mechanism parts with high pressure grease EP JOST high performance lubri cant article no SKE 013 440 000 Check the top plate liners for signs of wear and damage see section 6 6 ADVICE The pivot bearings on the C and E versions require no servicin...

Страница 17: ...an the fifth wheel coupling you may pro duce waste products that contain polluting substances We would like to point out that you must comply with the various national waste regulations for the disposal of this waste 6 1 4 Grease specification We recommend high pressure grease EP e g JOST high perfor mance lubricant article no SKE 013 440 000 EN JSK 36 JSK 37 MUB 002 004 M01 REV C 04 2019 17 JOST ...

Страница 18: ...sion the top plate liners do not have to be greased JOST top plate liners are resistant to lubricating greases Lubricate lock jaw 3 and locking bar 4 with the fifth wheel coupling closed With the standard version not the low maintenance version the centre area around the wearing ring 6 must be completely filled with grease see marked area Grease specification We recommend JOST high performance lub...

Страница 19: ... pull handle 2 until the lock jaw 1 is free Hold handle 2 in this posi tion 3 1 G50 041 Swivel lock jaw 1 forward e g with a large slotted screwdriver until the locking bar 3 is free 3 2 1 G50 042 Slowly move handle 2 into closed position Grease all sides of lock jaw 1 and locking bar 3 ATTENTION Open the fifth wheel coupling before it is next coupled up see section 4 3 EN JSK 36 JSK 37 MUB 002 00...

Страница 20: ...d damage to the fifth wheel coupling mounting plate sliders and vehicle chassis JOST fifth wheel couplings have a manual infinite adjustment facility for the locking mechanism to extend their service lives ATTENTION The wear on the king pin must not be compensated for through adjustment 71 73 mm 84 82 5 mm 49 50 8 mm JSK40 05 When the wear limit on the king pin has been reached it must be replaced...

Страница 21: ...JSK40 05 When the wear limit on the king pin has been reached it must be replaced After the king pin has been replaced the locking mecha nism must be adjusted again Play caused by wear on the king pin should either be accepted if within the permitted wear limit for the king pin see Figure JSK 40 05 or should be rectified by fitting a new king pin ADVICE After work on the locking mechanism or after...

Страница 22: ...cle chassis JOST fifth wheel couplings have a manual infinite adjustment facility for the locking mechanism to extend their service lives ATTENTION The wear on the king pin must not be compensated for through adjustment 71 73 mm 84 82 5 mm 49 50 8 mm JSK40 05 When the wear limit on the king pin has been reached it must be replaced After the king pin has been replaced the locking mecha nism must be...

Страница 23: ...ompensated for through adjustment 71 73 mm 84 82 5 mm 49 50 8 mm JSK40 05 When the wear limit on the king pin has been reached it must be replaced After the king pin has been replaced the locking mecha nism must be adjusted again Play caused by wear on the king pin should either be accepted if within the permitted wear limit for the king pin see Figure JSK 40 05 or should be rectified by fitting a...

Страница 24: ...s been replaced the locking mecha nism must be adjusted again Play caused by wear on the king pin should either be accepted if within the permitted wear limit for the king pin see Figure JSK 40 05 or should be rectified by fitting a new king pin ADVICE After work on the locking mechanism or after replace ment of the lock jaw wearing ring or locking bar the lock ing mechanism must always be readjus...

Страница 25: ... locking bar into its limit position Release the handle 1 lift the safety latch see figure G50 20 in section 4 3 swing into position B and hold get someone to assist Tighten the adjusting screw 3 again until the handle 1 starts to move have an assistant check this To set the recommended basic play of 0 3 mm tighten the ad justing screw 3 by a further 1 turns and secure it with the lock nut 4 Apply...

Страница 26: ......

Страница 27: ...y Tel 49 6102 295 0 tkd technik jost world com www jost world com MUB 002 004 M01 REV C 04 2019 4 0 1000178 JOST IND REV A 06 2019 India 91 0 657 6617500 sales coordinator jost world com www jost world com 832108 ...

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