2 Operation
2.1
Fifth wheel coupling closed and locked
2.2
Fifth wheel coupling ready for engagement
2.3
To open the fifth wheel coupling
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19
1 Handle
2 Locking bar
3 Lock jaw
4 King pin
1 Handle
2 Locking bar
3 Lock jaw
4 King pin
Lift the catch (1).
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2.4
To connect a semi-trailer
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Secure the semi-trailer to prevent its rolling away.
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The fifth wheel coupling must be ready to engage (see section 2.2).
Otherwise open the fifth wheel coupling (see section 2.3)
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Check the height of the semi-trailer. The skid plate must ideally be at the
same height as or no more than 50 mm lower than the coupling plate on
the fifth wheel coupling
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Drive the tractor unit under the semi-trailer
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The locking mechanism will close automatically
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Conduct an initial driving test in a low gear
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Check the locking mechanism (see section 2.5)
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Connect the supply lines
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Retract the landing gear as described in the operating manual
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Release the parking brake and remove the chocks
Check the locking mechanism status before starting any
journey (see section 2.5).
JSK 37C / 37CX
Swing the handle (2) towards the front
into position A to release the lock.
Pull out the handle (2) as far as
possible into position B.
With the handle (2) pulled out, swing it
forwards into position C and engage it
on the edge of the plate.