LO-9-2350-238-12
RECOVERY VEHICLE, FULL TRACKED LIGHT, ARMORED, M578
LUBRICATION ORDER
APRIL 1992
LO-9-2350-238-12 - Page 36 of 45
ON-CONDITION NOTS (CONTINUED)
Note 57
TRANSMISSION DRAIN AND FILL
WARNING
Oil will be hot after operation.
Drain when notified by the Army Oil Analysis Program (AOAP)
laboratory.
If AOAP laboratory support is not available, drain every 1500 mi
(2414 km), 150 hr, or semiannually, whichever occurs first. If OEA
is used, drain every 750 mi (1207 km), 75 hr, or quarterly,
whichever occurs first. Drain only after operation.
A Move vehicle to level ground.
B Remove transmission drain access cover (1) from bottom of
hull, remove transmission drain plug {2) from transmission, and
drain oil into a suitable container.
*
d
t
WARNING
Dry cleaning solvent (SD2) is toxic and flammable.
Wear protective goggles and gloves and use only in
well-ventilated area.
C Clean transmission drain plug (2) with solvent SD2 and install
drain plug and access cover (1).
D Replace transmission oil filter (see Note 44),
CAUTION
Do NOT check oil with engine running. Do NOT
overfill.
E Add oil (OEA) at transmission fill (3) until oil level is within
OPERATING RANGE on gage (4).
F After filling, run engine at 1600 to 1900 rpm with brakes ap-
plied and transmission in fourth gear. Run until oil temperature
gage reaads 180°F (82°C).
G Run engine at 1200 to 1600 rpm for 1 to 3 min with transmis-
sion in neutral to stabilize oil temperature between 180°F
(82°C) and 200°F (93°C).
H Stop engine and wait 3 to 5 minutes. Check that oil level is
within OPERATING RANGE on gage (4). Do not add or drain oil
if in this range, Add oil only when below ADD mark.
I Add or drain oil as required.
Card 34 of 40
LO 9-2350-238-12
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