T M 5 - 2 3 3 0 - 3 0 5 - 14
Table 2-1. OPERATOR'S PREVENTIVE MAINTENANCE CHECKS AND SERVICES (Cont)
B-Before
W - Weekly
D- During
M - MONTHLY
Q - Quarterly
AN - Annually
(Number) - Hundreds of Hours
S - Semiannually
BI - Biannualy
A - After
I N -
TER-
V A L
ITEM TO BE INSPECTED
I T E M
N O.
For Readiness
Reporting,
Equipment Is
Not Ready/
Available If:
5
6
7
8
9
10
11
B
B
B
B
B
B
PROCEDURE
(Cont).
2.
Inspect for leaks in air brake system by stop-
ping engine in towing vehicle when air pressure
is maximum.
3. Note any drop in pressure on tractor gage with-
in one minute.
INSPECT AIR TANKS.
Remove water and sludge from system daily,
especially during cold weather. This prevents
freezing and obstruction of lines and valves.
INSPECT AIR CHAMBERS, SPRINGS, AND SLACK ADJUSTERS.
Check condition of air chambers, air ride springs,
and slack adjusters.
INSPECT HUBCAPS.
Clean Hubcaps.
Check for cracks.
INSPECT WHEEL STUDS AND NUTS.
Check wheel studs and nuts. Make sure that they
are in position and tight.
INSPECT TIRES.
Remove all objects lodged between treads.
INSPECT TIRE PRESSURE.
Check pressure.
Inflate to 90 psi (6.33 kg/cm2).
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