TM-9-2320-273-10
TRUCK, TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER
TECHNICAL MANUAL; OPERATOR’S MANUAL
DECEMBER 2012
TM-9-2320-273-10 - Page 310 of 452
Table 1. Preventive Maintenance Checks and Services (PMCS) - Continued.
ITEM
NO.
INTERVAL
ITEM TO BE
CHECKED OR
SERVICED
PROCEDURE
EQUIPMENT NOT
READY/AVAILABLE
IF:
4
Before
Fifth Wheel and
Ramps
a. Check that lockjaw
pins
(Figure 3, Item 7) do
not protrude more
than
1/16 in. (1.6 mm)
above surface of top
plate, or have any
lateral or vertical
movement.
Lockjaw pin
extends more
than
1/16 in. (1.6 mm)
or has lateral or
vertical
movement.
b. Check for bent, worn,
broken, or missing
parts.
Bent, worn,
broken, or
missing parts
NOTE
Perform step c for the
M915A1 only.
c. Check slide track
(Figure 3, Item 1) for
damage and free
movement of fifth
wheel assembly
(Figure 3, Item 2).
d. Check primary
(Figure 3, Item 4)
and secondary
(Figure 3, Item 3)
release handles for
operation and
damage.
Primary or
secondary
release handles
are damaged or
do not function.
NOTE
Air lines and cylinders
are located under fifth
wheel top plate.
e. Check air lines
(Figure 3, Item 6)
and air cylinder
(Figure 3, Item 5) for
damage.
Any air leak is
evident.
TM 9-2320-273-10
0025
0025-4
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