TM-9-2320-260-20
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
APRIL 1995
TM-9-2320-260-20 - Page 115 of 1337
TM 9-2320-260-20
Table 2-1. Unit Level Preventive Maintenance Checks and Services (Contd).
ITEM TO
ITEM
INTERVAL
NOT FULLY
CHECK/
PROCEDURE
MISSION
NO.
SERVICE
CAPABLE IF:
EXPECTED TEMPERATURES
LUBRICANTS
ABOVE 15°F
+40°F TO -15°F
+40
e
F TO -65°F
(ABOVE -9°C)
(+4°C TO -26°C
(+4°C TO -54°C)
OE/HDO
- Lubricating oil, internal
OE/HDO 30
OE/HDO 10
OEA
combustion engine
(MIL-L-2104)
OEA
- Lubricating oil, internal
combustion engine (arctic)
(MIL-L-46167)
GO
- Lubricating oil, gear multi-
GO 80/90
GO 80/90
GO 75
purpose (MIL-L-2105)
38
Semi-
Rear axles
Check each for overheating, which can indicate low
annual
and differ-
lubrication levels. If any of these components are over-
entials
heated, check fluid level and add or fill if necessary
(LO 9-2320-260-12).
a.
Ensure grease fittings and plugs of axle housing (1)
are present and tight. Tighten if loose. Replace if missing.
b.
Inspect axle housing (1) for cracks that could cause
leaks. Notify your supervisor if cracked.
c.
Remove and clean axle housing breather valve (2).
1. Wipe area around breathei valve (2) with rag.
2. Remove breather valve (2) from axle housing (1).
WARNING
Drycleaning solvent is flammable and will not be
used near open flame. Use only in well-ventilated
places. Failure to do so may result in injury to
personnel.
3. Clean breather valve (2) with drycleaning solvent
and dry with a clean rag.
4. Press breather valve (2) to confirm breather crimp
cap is under spring tension.
5. Replace breather valve (2) if clogged or no spring
tension is evident.
6. Oil breather valve (2) sparingly with OE/HDO.
7. Install breather valve (2) in axle housing (l).
d.
Lubricate with OE/HDO every 1,000 mi (1,609 km).
If vehicle does not accumulate 1,000 mi (1,609 km) in a
6-month period, lubricate at time of preventive
maintenance service.
2-28
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