TM 9-2330-386-14&P
2-16 PREPARATION FOR USE (CONT).
(5) Wrap dummy couplings chain (5) around gladhands (2 and 3).
CAUTION
T o prevent damage, be sure each dummy coupling chain (5) is
w r a p p e d around its gladhand (2 or 3). If dummy coupling hangs
b e l o w t h e k i n g p i n p l a t e , i t may be crushed between the towing
vehicle and semitrailer.
d. C o m p l e t e S e m i t r a i l e r t o T o w i n g V e h i c l e .
(1) Before kingpin plate (1) starts to ride approach ramps (2), check that the
k i n g p i n plate (1) is above the approach ramps (2). Adjust height as needed
b y u s i n g l a n d i n g g e a r . M a k e sure towing vehicle fifth wheel coupler jaws
(3) are open.
WARNING
W h e n towing the semitrailer with M818, M931 series, or M932
s e r i e s the fifth wheel wedges must be in the locked-in (pushed
i n ) mode for highway and secondary road use, and in the
(2) Slowly back the towing vehicle until coupler jaws (3) engage kingpin (4).
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
light between the fifth wheel (5) and the kingpin plate (1).
If coupling operation is not completed and another attempt is
to be made, pull towing vehicle forward carefully. Do not
exceed the limits of air hoses and electrical cable.
2-17