LO-9-2350-256-12

RECOVERY VEHICLE, FULL TRACKED MEDIUM, M88A1

LUBRICATION ORDER

NOVEMBER 1995
LO-9-2350-256-12

  LO-9-2350-256-12 - Page 36 of 41

engine deck grille.
54. ARMY OIL ANALYSIS PROGRAM (AOAP) - MAIN
ENGINE. For active units, obtain oil samples from engine every
25 hours of operation or 30 days (whichever comes first). Send
these samples to nearest AOAP laboratory. Refer to TB 43-
0210 for sampling instructions. If or when AOAP laboratory sup-
port is unavailable, hard-time intervals will apply.
55. TRANSMISSION DRAIN.
NOTE
Drain oil only when hot after
operation.
New transmissions are filled with
preservative oil which should be
drained after 100 miles (or 10
hours) of operation. Refill with
proper grade of lubricant (see table
on card 14 and note 58). After 500
miles, again drain and fill.
Periodically, a sample of oil shall be
sent to the AOAP laboratory for
analysis. Oil is to be drained at
intervals
determined
by
oil
analysis. See note 54 and TB 43-
0210 for details.
When AOAP laboratory support is
not available, drain and refill
transmission oil at 1500 miles or
semiannually.
●
Coordinate any seasonal change of
oil weight with this service.
Remove six bolts and six lockwashers that secure transmission
drain plate to bottom of hull. Remove drain plate and gasket.
Remove drain plug to drain transmission.
NOTE
If transmission is to be flushed, drain
output
reduction
drives
in
accordance with note 63.
Clean drain plug with dry-cleaning solvent (SD-2). Install plug
after transmission is fully drained. Fill transmission with lubri-
cant (see note 58). Check that no 011 seeps around drain plug,
and install gasket, drain plate and
SIX attaching bolts and lock-
washers
56. TRANSMISSION OIL FILTERS. Open rear engine deck
grille exhaust deflector and grille. Remove left and right cover
plates and remove four elements (two under each plate). Clean
elements and covers with dry-cleaning solvent (SD-2). Install
elements and install left and right covers. Close rear engine
deck grille exhaust deflector and grille.
57. ARMY OIL ANALYSIS PROGRAM (AOAP) - TRANSMIS-
SION. For active units, obtain oil samples from transmission
every 25 hours of operation or 30 days (whichever comes first).
Send these samples to the nearest AOAP laboratory. Refer to
TB 43-0210 for sampling instructions, If or when AOAP labora-
tory support is unavailable, hard-time intervals will apply.
58. TRANSMISSION FILL AND LEVEL. Open rear engine deck
grille exhaust deflector and grille. Remove gage rod (dipstick)
from transmission tube. Wipe rod, then reinsert it. Remove rod
again. If oil shows on oil level gage, it is safe to start engine. If
oil does not show on gage rod, add oil until visible on rod. Set
vehicle parking brake. With shift selector set to neutral range,
start engine. Allow engine to run at 1200 to 1600 rpm for 2 to 3
minutes.
Stop engine. Wait 3 to 5 minutes; then check oil level again.
Add or drain oil until oil level measures between ADD and FULL
marks (see table on card 14 for capacity).
NOTE
If vehicle has been operating for a
period of time sufficient to warm oil to
180°F to 200° F, oil level should be
at, or above, FULL mark. This is a
normal condition and is due to
expansion of the oil.
Install oil gage rod and close rear engine deck grille exhaust
deflector and grille.
59. MAIN ENGINE CRANKCASE DRAIN.
NOTE
Drain oil only when hot after
operation.
Periodically, a sample of oil shall be
sent to AOAP laboratory for
analysis. Oil is to be drained at
intervals
determined
by
oil
analysis. See note 54 and TB 43-
0210 for details
●
When AOAP laboratory support is
not available, drain and refill
engine oil at 1500 miles, 150 hours
or semiannually if OE/HDO is used
(750 miles, 75 hours if OEA is
used).
●
Coordinate any seasonal change of
oil weight with this service.
Park vehicle on level ground. Remove oil cooler vent capscrew
and open oil filter drain valve. Remove six screws and six lock-
washers that secure engine drain plate to bottom of hull.
Remove drain plate and gasket. Remove drain plug to drain
engine. Clean drain plug with dry-cleaning solvent (SD-2).
Install plug after engine is fully drained. Install oil cooler vent
capscrew and close oil filter drain valve.
LO 9-2350-256-12
Change 1
CARD 35 of 38


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