TM-9-2320-272-24-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4
JUNE 1998
TM-9-2320-272-24-1 - Page 100 of 1015
TM 9-2320-272-24-1
Table 2-1. Unit Preventive Maintenance Checks and Services (Contd).
ITEM TO
ITEM
INTERVAL
CHECK/
NOT FULLY
PROCEDURE
MISSION
NO.
SERVICE
CAPABLE IF:
13
Semi-
Front
annual
winch
(Contd)
e.
Check gearcase level.
1.
Clean around and remove oil level sight plug (6),
and check oil level.
NOTE
Perform steps 2 through 4 only if oil level is low.
2.
Clean around and remove gearcase fill plug (2). If
necessary to drain, remove drain plug (7) and reinstall.
3.
Fill to bottom opening of oil level sight plug (6).
4.
Install filler plug (2) and oil level sight plug (6).
f. Check end frame oil level.
1.
Clean around and remove end frame level plug (8)
and fill plug (1) and check end frame gearcase oil level.
NOTE
Perform steps 2 and 3 only if oil level is low.
2.
Fill to opening of level plug (8) and install level
plug (8).
3.
Install filler plug (1).
g.
Check sight plug (6) and filler plug (2) on gearcase and
filler plug (1), level plug (8), and drain plug (9) on end
frame for tightness.
LUBRICANTS
Oil, lubricating, multipurpose
(MIL-L-2105) GO-80/90
Oil, lubricating, multipurpose
(MIL-L-2105) GO-75
EXPECTED TEMPERATURES
ABOVE 15°F
+4O°F TO -15°F
+4O°F TO -65°F
(ABOVE -9°C)
(+4°C TO -26°C)
(+4°C TO -54°C)
GO-80/90
GO-80/90
GO-75
h.
On M936/A1 model vehicles, lubricate trolley lock (3)
every 1,000 mi. (1,600 km) or monthly, whichever occurs
first.
i.
Lubricate drum lock (4), and tensioner control lever
lock (5) every 1,000 mi. (1,600 km) or monthly, whichever
occurs first.
LUBRICANTS
OE/HDO
Lubricating oil, internal combus-
tion engine (MIL-L-2104)
OEA
Lubricating oil, internal combus-
tion engine (arctic) (MIL-L-46167)
EXPECTED TEMPERATURES
ABOVE 15°F
+40°F TO -15°F
+40°F TO -65°F
(ABOVE -9°C)
(+4°C TO -26°C)
(+4°C TO -54°C)
OE/HDO 30
OE/HDO 10
OEA
2-12
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