jost JSK 39 - Default Chapter; Table of Contents

Table of contents
1 Explanation of symbols......................................... 3
2 Safety information.................................................. 4
2.1 Safety information for operation................................ 4
2.2 Safety information for servicing................................. 4
2.3 Safety information for installation.............................. 5
3 Proper usage........................................................... 6
3.1 Application................................................................. 6
3.2 Unintended use......................................................... 6
3.3 Design........................................................................ 7
4 Operation................................................................. 9
4.1 Fifth wheel coupling closed and locked..................... 9
4.2 Fifth wheel coupling ready for engagement............... 9
4.3 Opening the fifth wheel coupling............................... 10
4.4 Coupling up a semi-trailer......................................... 10
4.5 Uncoupling a semi-trailer........................................... 11
4.6 Checking the locking mechanism.............................. 11
5 Installation............................................................... 12
5.1 General installation instructions................................. 12
5.2 Assembling the fifth wheel coupling on the mounting
plate........................................................................... 13
5.3 Fastening material 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................................................................... 20
6.5 Adjusting the locking mechanism.............................. 21
6.6 Wear limit – top plate liners....................................... 22
EN
2 MUB 002 004 M01 (REV-C) 04-2019 JSK 36 & JSK 37
JOST IND (REV-A) 06-2019
JSK 39
..............................
6.4.1 Wearing ring, lock jaw ,rubber bush wear limit 21
6.4.2 To remove and install locking mechanism 22
6.4.3 To remove and install pedestal, rubber bush
& swivel pin.......................................................23
6.4.4 Locking mechanism wear limit..........................24
6.5 Adjusting the locking mechanism
...................................25
Trailer rubbing plate guideline- JOST
recommendation........