UD Trucks QUESTER Series, Руководство пользователя

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3. EQUIPMENT DESCRIPTION AND OPERATION
3-39
Coupling procedure
Align the king pin center with fifth
wheel center
1. Trailer top
2. King pin position
1 . B r i n g t h e t r a c t o r c l o s e t o t h e
trailer.
2. Chock the trailer wheels. Connect
the brake lines and light cord.
S u p p o r t s l a c k i n l i n e s t o p r e v e n t
interference.
3. Make sure that the trailer wear
plate is slightly below the fifth wheel.
Trailer should contact fifth wheel
100-150 mm behind the fifth wheel
bracket pin.
1. Use low gear to operate landing gear
2. Fifth wheel tilted position
3. 100-150 mm
4. Move the tractor vehicle in slow
s p e e d t o w a r d s t h e s e m i t r a i l e r,
keeping them aligned until coupling
occurs.
5. Apply the parking brake of the
tractor vehicle.
6. Check that the semitrailer platform
is resting on the fifth wheel and that
there is no clearance. If clearance is
found, repeat the entire coupling
procedure.
WARNING
The trailer and the tractor must
b e r e s t i n g o n t h e s a m e f l a t
surface which must not give
under the pressure of the load
transmitted through the tyres
and the lifting device.