TM 9-2320-273-20
Item
No.
11
12
Table 3-1. Unit Level Preventive Maintenance Checks And Services M915-M920
Interval
Semi-
Annual
Semi-
Annual
Item To Be
Inspected
Power
Steering
Pump and
Filter
Com-
pressed
Air System
Procedure
a. Inspect power steering pump for
leaks, cracks, and damage.
b. Check steering stops for proper ad-
justment (paragraph 10-21.2).
c. Check steering gear poppet valve for
proper adjustment (paragraph 10-21.3).
d. Change filter when fluid is contami-
nated.
NOTE
In areas where more than approximately
30° range of temperature is common,
small amounts of water can accumulate
in the air brake system due to condensa-
tion. The presence of small amounts of
water due to condensation is normal.
a. Drain air tanks. If any moisture is
forced out, inspect air dryer and replace
filter (paragraph 9-10). If moisture is
milky, blue or green, serious internal mal-
functions are indicated.
b. Inspect air reservoirs, attaching
valves, lines and connections for mount-
ing looseness, bends, dents, and cracks
that could cause leaks.
Not Mission
Capable If:
a. Cracks, damage,
or Class Ill leaks.
b. Steering stops
out of adjustment.
c. Steering
gear
poppet valve is out
of adjustment.
d. Fluid is contami-
nated.
a. Moisture is milky,
blue or green.
b. Bends, dents,
cracks, loose air
lines or air leaks evi-
dent.
3-10.2 Change 4
