TM 9-2320-272-24-1
Table 2-1. Unit Preventive Maintenance Checks and Services (Contd).
NOT FULLY
ITEM TO
MISSION
ITEM INTERVAL CHECK/
PROCEDURE
NO.
SERVICE
CAPABLE IF:
CAUTION
19
Semi-
Front
annual
wheels,
On M939A2 series vehicles, use care not to damage
hubs, and
CTIS air seals when removing axle components.
drums
Failure to do so may result in further damage to
(Contd)
axle and wheel bearings, in addition to improper
operation of CTIS system.
NOTE
Lugnuts on left side have left-hand threads and can
be identified by an L, while lugnuts on right side
have right-hand threads, and can be identified by
an R.
d. Clean, inspect, and lubricate axle shaft and universal
[RPL]
joints (para. 3-154).
EXPECTED TEMPERATURES
ABOVE 15F
+40F TO -15F
+40F TO -65F
(ABOVE -9C)
(+4C TO -26C)
(+4C TO -54C)
All temperatures
GAA
Grease, automotive and
artillery (MIL-G-10924)
1 . Check bearing sleeve inside spindle for signs of
damage. If bearing sleeve is damaged, notify DS
maintenance.
2. Replace drive flange gasket with RTV sealant.
e. On M939A2 series vehicles, replace filter in wheel
[RPL]
valves (para. 3-448).
WARNlNG
Do not allow grease or oil to contact brake linings.
Linings can absorb grease and oil, causing early
glazing and very poor braking action. Failure to
comply could cause serious injury or death to
personnel.
f. Check brakeshoes for condition and brakeshoe-to-drum
clearance (para. 3-179). Replace brakeshoes if worn beyond
chamfer on linings (para. 3-180).
other damage that could cause a loss of lubrication around
CV joint. Replace CV boots if ripped, cracked, punctured,
or damaged (para. 3-223).
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