TM 9-2320-260-20
Table 2-1. Unit Level Preventive Maintenance Checks and Services (Contd).
NOT FULLY
ITEM TO
PROCEDURE
ITEM INTERVAL
MISSION
CHECK/
CAPABLE IF:
SERVICE
NO.
Any class III leak.
Semi-
Trans-
a. Inspect transmission for loose screws and plugs that
30
may cause leaks. Tighten if loose.
annual
mission
Transmission
b. Inspect transmission at engine mounting point for
mount is loose,
missing or loose mounting screws. Tighten mounting
cracked, or
screws 23-26 lb-ft (31-35 Nm) if loose.
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
