TM 9-2320-303-10
Table 2-1. Preventive Maintenance Checks and
Services (PMCS) for M915A4 (Con't).
Location
Item To
Check/
Not Fully Mission
Item No.
Interval
Service
Procedure
Capable If:
14
Before
Service
Brakes
With transmission in Drive
(D), release parking brake
and apply service brakes.
Vehicle should not move.
Vehicle moves with service
brakes applied.
15
Before
Trailer
Brakes
NOTE
Perform
this
check
with
trailer
after
tractor/trailer are coupled.
a. Listen for air leaks at
intervehicular
connecting
hoses,
relay valve, and air
reservoirs.
a. Any air leaks are present.
b. Apply
trailer
brakes
only and attempt to
move
tractor/trailer
combination.
b. Brakes
fail
to
hold
tractor/trailer combination
from moving.
16
During
Instru-
ment
Panel/
CWS
Displays
a. Monitor all gages and
indicator and warning
lights.
Check
that
engine
coolant
and
transmission
oil
temperature
gages
register within normal
range (green band).
a. Any
temperature
or
pressure gage does not
register
or
indicates
abnormal reading.
b. Monitor indicator lights
on driver's display unit
and
side
sensor
display. If system fail
light
illuminates,
continue mission and
turn CWS off. Notify
supervisor.
17
During
Brakes
a. Check
brakes
for
pulling or grabbing.
a. Brakes pull or grab.
b. Check that brake pedal
is firm and does not
fully depress to floor.
b. Brake pedal is spongy or
depresses fully to floor.
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