TM 9-2320-360-10
Table 2-1. Preventive Maintenance Checks and Services (PMCS)
for the HET Tractor (Cont)
Location
Item
Interval
Item to
Procedure
Not Fully Mission
No.
Check/Service
Capable If:
UNLOCKED POSITION
LOCKED POSITION
Before
b.
Check that
4
FIFTH WHEEL
coupler jaws (1)
(cont)
WITHOUT
lock in open
TRAILER
position:
COUPLED
(CONT)
(1)
Pullout
secondary
lock release
handle (3)
and latch in
position.
(2)
Pull out
primary lock
release
handle (2)
two times.
2-29
