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
p. Remove, clean, and lubricate axle breathers every
annual
wheels
1,000 mi. (1,600 km) or monthly, whichever occurs first.
and hubs,
and
suspension
(Contd)
EXPECTED TEMPERATURES
ABOVE 15F
+40F TO -15F
+40F TO -65F
(ABOVE -9C)
(+4C TO -26C)
(+4C TO -54C)
OE/HDO 10
OE/HDO 30
OE/HDO
Lubricating oil, internal
combustion engine (MIL-L-2104)
OEA
OEA
Lubricating oil, internal
combustion engine (arctic)
(MIL-L-46167)
q. Remove fill plug (3) on forward-rear and rear-rear
[RPL]
differential (1) and check oil level in differential (1) every
3,000 mi. (4,800 km) or 3 months, whichever occurs first. If
necessary, fill differential (1). Level in differential (1)
should be within 1/2 in. (12.7 mm) from hole of fill plug (3)
when oil is cold, and to hole of fill plug (3) when hot.
EXPECTED TEMPERATURES
ABOVE 15F
+40F TO -15F
+40F TO -65F
(ABOVE -9C)
(+4C TO -26C)
(+4C TO -54C)
Oil, lubricating, multipurpose
GO-80/90
GO-80/90
(MIL-L-2105) GO-80/90
Oil, lubricating, multipurpose
GO-75
(MIL-L-2105) GO-75
r. Inspect differential drainplug (2) and fill plug (3)
for tightness and signs of leakage. Tighten drainplug (2)
35-60 lb-ft (47-81 Nm) and fill plug (3) 80-135 lb-ft
(108-183 Nm).
s. Inspect differential seals for leaks.
t. On M939A2 series vehicles, replace filter and install
[RPL]
wheel valves (para. 3-458).
2-38
