TM-9-2320-260-20
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
APRIL 1995
TM-9-2320-260-20 - Page 107 of 1337
TM 9-2320-260-20
Table 2-1. Unit Level Preventive Maintenance Checks and Services (Contd).
ITEM TO
NOT FULLY
ITEM
INTERVAL
CHECK/
PROCEDURE
MISSION
NO.
SERVICE
CAPABLE IF:
30
Semi-
Trans-
a.
Inspect transmission for loose screws and plugs that
Any class III leak.
annual
mission
may cause leaks. Tighten if loose.
b.
Inspect transmission at engine mounting point for
Transmission
missing or loose mounting screws. Tighten mounting
mount is loose,
screws 23-26 lb-ft (31-35 N•m) if loose.
cracked, or
damaged.
c.
Remove and clean transmission breather valve (l).
1. Wipe area around hole of transmission breather (1)
with a rag.
2. Remove transmission breather valve (1) from
transmission housing.
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 transmission breather valve (1) with dry-
cleaning solvent.
4. Install transmission breather valve (1) on trans-
mission housing.
d.
Check transmission fluid level every 3,000 mi (4,827
km) (LO 9-2320-260-12). Add or remove fluid if necessary.
Change gear lubricant only when required by
maintenance repair action, or if contaminated by water
or other foreign material. Drain only after operation
when hot. Place vehicle in level position. Remove filler
plug (2) and drain plug (3) from case, and after draining
reinstall drain plug (3). Fill transmission within 1/2 in.
(12.7 mm) of filler plug (2) opening if lubricant is cold, or
to plug level if hot. Install filler plug (2).
.
2-20
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