MAINTENANCE AND SERVICE
5
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Figure-11
6- Make sure that the locking jaw is fully
open for attaching/detaching the semi-
trailer pin and the locking lever can be slid
inside. (see Figure 11)
Figure-12
7- Drive the truck away from the semi-
trailer slowly and straightly. (see Figure 12).
8- Complete the procedure for detaching
the semi-trailer as per the instructions of
the vehicle manufacturer.
Note: Once the 5th wheel lock has been
unlocked, the locking lever is ready to
be slid inside again automatically (the
unlocking lever can be slid inside). (see
Figure 13)
Figure-13
Note: Figure 13 shows the unlock position
for the locking lever. At this point, the
adjustment plate is away from 5th wheel
body and the safety lever is down. Figure
14 shows the closed position of the lock. At
this point, the adjustment plate is contacts
5th wheel body and the safety lever is up.
Figure-14
CAUTION
If there is a damage/fl exion on 5th
wheel locking lever and the safety lever,
visit the workshop and do not attempt
to attach a semi-trailer; a secure
connection might not be established.
Check all parts for wear/corrosion/
damage.
5. Wheel (Platform) - Trailer Connection
(for 5th wheels of JOST brand)
1- Block the wheels of the semi-trailer.
2-Pull the platform lock lever, this shall
open the seat for semi-trailer pin.
Attaching and Detaching a Trailer
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