TM9-2330-374-14&P
Completing Coupling
Semitrailer
to
d.
--
Towing Vehicle.
(1) B e f o r e k i n g p i n p l a t e ( 1 , f i g u r e
2-19) starts to ride approach
ramps (2), check that the kingpin
p l a t e (1) is above approach ramps
( 2 ) . A d j u s t height as needed by
u s i n g l a n d i n g g e a r . Make sure
towing vehicle fifth wheel coupler
jaws (3) are open.
( 2 ) S l o w l y back the towing vehicle
until coupler jaws (3) engage the
kingpin (4).
Completing coupling
s e m i t r a i l e r to towing
vehicle
CAUTION
V i s u a l l y c h e c k t h e c o u p l i n g . Y o u should not be able to
see daylight between the fifth wheel and the kingpin
plate.
If coupling
(3) M a k e s u r e c o u p l i n g i s s e c u r e b y i n c h i n g t r u c k t r a c t o r f o r w a r d .
is not locked, rock truck tractor back and forth slowly until kingpin (1)
is locked in fifth wheel (5).
(4) C o n n e c t i n t e r v e h i c u l a r c a b l e b y o p e n i n g t h e c o v e r o n t h e r e c e p t a c l e .
Operate
R e l e a s e cover.
Align slot on plug with aligning key of receptacle.
lights from towing vehicle to make certain lights are in working order.
The 12 volt receptacle is located on the left side and
the 24 volt receptacle is located on the right side of
semitrailer front crossmember.
CAUTION
If coupling operation is not completed and another
attempt is to be made, pull towing vehicle forward
c a r e f u l l y . D o not exceed the limits of air hoses and
electrical cable.
(5) C h e c k t h e a i r l i n e s a n d e l e c t r i c a l c a b l e t o b e s u r e t h a t t h e y a r e
supported and will not catch or chafe.
(6) R e c h e c k f i f t h w h e e l / k i n g p i n l o c k i n g b y t r y i n g t o m o v e t r u c k t r a c t o r a n d
semitrailer forward.
2-19