OIL CAN POINTS. Each 100 hours, lubricate all
door and window hinges with OE/HDO-10.
DO NOT remove radiator fill cap
unless engine is cold. This Is a
ENGINE OIL LEVEL CHECK. If engine has
pressurized cooling system and
been running, wait 10 minutes for oil to drain into oil pan
escaping steam, hot water, or coolant
before checking. Oil level should be between ADD and
will cause serious burns.
FULL marks on engine oil level gage (see View B).
ENGINE COOLANT. Coolant level in recovery
ENGINE. Oil is to be changed each time an
tank must be between HOT and COLD lines on side of
engine oil change is directed by AOAP laboratory. When
recovery tank (see View R). If no coolant is visible in
AOAP laboratory is not available, change oil each 250
recovery tank, remove radiator fill cap and add coolant to
hours. Drain when oil is warm (see Views B and C). If a
radiator and recovery tank (see View S and TM 10-3930-
new or rebuilt engine is installed, change engine oil after
first 80-100 hours of operation.
HYDRAULIC SYSTEM OIL. Check hydraulic oil
level in hydraulic oil level sight gage. When oil is cold, oil
ENGINE OIL FILTER. Filter is to be replaced
level must be to middle of sight gage window. If oil level
each time an engine oil change is directed by AOAP
is low, remove hydraulic reservoir filler cap (see View Q)
When AOAP laboratory support is not
and add hydraulic oil until oil comes up to middle of sight
available, install new filter element each 250 hours (see
gage window. Hydraulic oil is to be changed each time a
View B). See TM 10-3930-659-20 for filter change
hydraulic oil change is directed by AOAP laboratory (see
instructions. If a new or rebuilt engine is installed, in-
View P). When AOAP support is not available, change
stall new filter element after first 80-100 hours of
hydraulic oil each 3000 hours.
HYDRAULIC SYSTEM RETURN FILTER. Filter
is to be replaced each time a hydraulic oil return filter
TRANSMISSION OIL LEVEL HOT OR COLD
change is directed by AOAP laboratory and when a
hydraulic oil change is directed (see View L). When
AOAP laboratory support is not available, install new filter
Cold Check. Start engine. Oil level should
element each 500 hours. See TM 10-3930- 659-20 for
be at COLD mark on transmission oil level
filter change instructions.
Differential housings have three
Hot Check. Oil level should be between
sumps. Slowly fill center sump and
COLD and HOT marks on transmission oil
allow oil to drain Into all sumps.
level gage (see View A and TM 10-3930-
FRONT AND REAR DIFFERENTIAL OIL. Re-
move plug (see Views G and I). Oil must be to bottom of
TRANSMISSION OIL CHANGE. Oil is to be
opening in differential housing. Check differential oil
changed each time a transmission oil change is directed
level at 500 hours and add oil as necessary to bring up to
by AOAP laboratory (see Views A and M). When AOAP
bottom of opening in differential housing. Drain and fill
laboratory support is not available, change transmission
differential housing at 3000 hours (see Views G, H, I,
oil each 1000 hours. See TM 10-3930-659-20 for oil
and J and TM 10-3930-659-20).
TRANSMISSION OIL FILTER. Filter is to be
replaced each time a transmission oil change is directed
by AOAP laboratory. When AOAP laboratory support is
Install frame locking bar (see TM 10-
not available, install new filter element each 1000 hours.
3930- 659-10) prior to start of any
See TM 10-3930-659-20 for filter change instructions.
chassis lubrication to prevent injury to
a. Purging of Lubricant. When using a
grease gun, apply lubricant to fitting until
clean lubricant squeezes out of part being
Card 14 of 15