TM 9-2320-272-24-1
Table 2-1. Unit Preventive Maintenance Checks and Services (Contd).
NOT FULLY
MISSION
PROCEDURE
CAPABLE IF:
36
Semi-
Rear
i. Inspect air manifold tee for condition and security of
annual
wheels
mounting and air lines and fittings for loose connections.
and hubs, Replace air manifold tee and/or component parts if
and
condition could impair operation of brakes (para. 3-189).
suspension Tighten loose air lines and fittings.
(Contd)
j. Inspect M939A2 series vehicles CTIS air lines and
fittings for loose connections, cracks, splits, or damage that
could cause air leaks. Tighten loose air lines and fittings.
(4,800 km) or 3 months, whichever occurs first.
EXPECTED TEMPERATURES
+40F TO -15F
+40F TO -65F
ABOVE 15F
(+4C TO -54C)
(ABOVE -9C)
(+4C TO -26C)
All temperatures
GAA
Grease, automotive and
artillery (MIL-G-10924)
l. Visually inspect spring leaves, retaining clips, and
center screws for cracks, breaks, and security of mounting.
Replace spring leaves, retaining clips, or center screws if
cracked or broken (para. 3-167). Secure mounting if loose.
m. Inspect torque rods.
l. Visually inspect rubber for cracks, splits, or out-of-
round condition. Replace torque rods if rubber is cracked
or out-of-round (para. 3-170).
[RPL]
purposes, torque rod nuts should be 350-700 lb-ft
(475-949 Nm). If loose, tighten torque rod nuts
350-400 lb-ft (475-542 Nm). Continue to tighten until
cotter pins can be installed.
n. Inspect both front and rear wearpads for wear. Replace
if wearpads are rubbing the spring bracket (para. 3-168).
o. Tighten nuts on spring U-bolts 300-400 lb-ft
(407-542 Nm).
CAUTION
Clean breathers and axle around breathers before
servicing to prevent damage to axle from
2-37
