TM 9-2320-302-20
0021 00-13
Table 1. Unit Preventive Maintenance Checks and Services (PMCS)
for the M915A3 Tractor Truck - Continued.
ITEM
NO.
INTERVAL
LOCATION
PROCEDURE
NOT FULLY MISSION
CAPABLE IF:
ITEM TO
CHECK/
SERVICE
26
Semi-
annual
Front Axle
Steering
Components,
Inspection
a. Check for looseness in steering column U-
joints.
b. Check steering gear for leaks and loose
mounting bolts and components. Tighten
or replace any damaged component, if
authorized.
c. Check tie-rod and drag link for movement
by attempting to move by hand. Visually
check ball joint ends for worn or damaged
dust seals. If movement or damage is
present, make repairs if authorized.
d. Inspect all steering lines and fittings for
looseness, damage or leaks. Tighten if
loose or replace if damaged.
e. Check adjustment of front axle steering
stops (17). With brakes fully applied, turn
steering wheel to one side to end of travel.
Check both sides of vehicle for interfer-
ence at tires and wheels. Minimum clear-
ance is 1/2 in (1.3 cm) from any fixed
object and 3/4 in (1.9 cm) from any mov-
ing object. Repeat for opposite end of
steering wheel travel. Make adjustments
as required.
27
Semi-
annual
Front Axle,
Suspension
a. Inspect spring leaves for cracks and
breaks.
b. Inspect spring clips, saddles, saddle caps,
spring hangers, and attaching hardware for
looseness,
cracks
or
other
damage.
Tighten or replace any damaged compo-
nent, if authorized.
17
