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— K E Y —
Expected Temperatures
Lubricants
Capacities
Above 15°F
+40°F to -10°F
+40°F to -65°F
Intervals
(Above -9°C) (+4°C to -23°C) (+4°C to -54°C)
OE/HDO
Intervals are as fol-
(MIL-L-2104D)
lows:
LUBRICATING
A - Annually
OIL, Internal
OC - On Condition
Combustion En-
Intervals are based on
gine, Tactical
normal hours of op-
Service
eration and moderate
operating conditions.
OEA
MIL-L-46167)
LUBRICATING
OIL Internal
Combustion
Engine, Arctic
48 qt
OE/HDO
OE/HDO
Transmission
(45.43 L)
15W40
15W40
OEA
NOTES:
1. TRANSMISSION OIL FILTER. Remove three screws (2) and Iockwashers (3), cover, and filter element (1). Clean
filter element with drycleaning solvent. Use compressed air to dry element. Inspect element for damage, and replace
if unserviceable.
NOTE
Where AOAP support is not available, drain and refill transmission after 75 hours of
operation or 750 miles, whichever comes first.
2. TRANSMISSION DRAIN. After operation, park vehicle on level ground (refer to TM 9-2350-287-1 O). Remove three
screws (8) and washers (9), cover plate (7), gasket (6), and drain plug (5) from bottom of hull. After oil has drained,
clean drain plug (5) with drycleaning solvent and install plug (5), gasket (6), and cover plate (7) with three screws (8)
and washers (9) on bottom of hull. Refill transmission with oil to within “Operating Range.” Check oil level before
starting engine. Oil level indicator must be within “OPERATING RANGE” stamped on dipstick and filler cap (4). Add
or drain oil (see key for required type) as required. Block vehicle tracks. With brakes applied and transmission in fourth
gear, run engine at 1600-1900 rpm to warm the transmission oil. When transmission oil temperature gage reads over
180°F, run engine at 1200-1600 rpm for 1-3 minutes with transmission in neutral (N). After this period of time, oil
temperature should stabilize between 180°F and 220°F. Stop engine, wait 3-5 minutes, then check oil level.
NOTE
When operating in extremely cold temperatures with OEA, this is a semiannual
check.
G-3
TM 9-2350-287-20-2
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