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6. Troubleshooting
Issue
1. Locking jaw defec ve
2. Torsion spring of handle defec ve
Fi h Wheel coupling
3. Poor Servicing
does not remains in the
ready to couple posi on
4. Locking jaw spring defec ve
5. Locking bar deformed or worn
1. Excessive wearing in the handle groove and/or handle
guide knob
Fi h Wheel coupling does
2. Handle's torsion spring defec ve
not stay in open posi on
3. Poor servicing
1. Rubber cushion has excessive play
Movement between
Fi h Wheel coupling
and semi-trailer
2. Locking mechanism has excessive play
(knocking)
FIFTH WHEEL JSK 38CXS & JSK 38CXW
Cause
1. Replace locking jaw and Locking jaw's pin
2. Replace handle's torsion spring
3. Check the proper func onality of movable parts of locking
mechanism and/or carry out their lubrica on
4. Replace the locking jaw spring
5. Replace the locking bar
1. Replace the handle and/or the handle guide
2. Replace the handle's torsion spring
3. Check the proper func onality of movable parts of locking mechanism
and/or carry out their lubrica on
1. Replace upper and lower cushions and pedestal's screws
2. Check the King Pin, replace it if it is worn. If its dimensions are as
specified, but the system s ll has play, adjust the locking mechanism
(chapter 5.5). If it is not successful, replace the locking jaw, wear ring,
locking bar and locking jaw's pin.
MAN0053, 01/2024
Solu on
53
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