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Page Title:
PREVENTIVE MAINTENANCE CHECKS AND SERVICES - CONTINUED |
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 TM9-2320-270-20-1
PREVENTIVE MAINTENANCE CHECKS AND SERVICES - CONTINUED
A- ANNUALLY
S SEMIANNUALLY
INTERVAL
ITEM
ITEM
TO BE
NO.
PROCEDURE
INSPECTED
s
A
Vehicle
Inspect the following items for completeness,
70
Exterior
security, and deteriorated readability on data
plates.
Glass
a.
Fasteners
b.
c.
Hinges
d.
Doors body and access panels
Storage boxes
e.
f.
Data caution and warning plates
Check tires for correct air pressure:
Tires
71
a.
95
psi
(650
kPa)
Front axle tires
95
psi
(650
kPa)
Pusher axle tires
85
psi
(580
kPa)
Tandem axle tires
Spare tire
95
psi
(650
kPa)
b. Check tires for proper thread depth. Replace
tires with thread depth less than l/8-inch
(3.175 mm) (page 4-936).
c. Inspect tires for cuts and penetrating
objects. Repair or replace tires with cuts or
penetrating objects (page 4-936).
d. Check to see if all wheel lug nuts are
present. Torque all wheel lug nuts as follows:
Front axle: torque lug nuts to
450-500 ft-lb (611-677 Nm)
Pusher axle: torque lug nuts to
300-350 ft-lb (407-474 Nm)
Tandem axle: torque outer lug nuts to
750-900 ft-lb (1017-1220 Nm)
Tandem axle: torque inner lug nuts to
450-500 ft-lb (611-677 Nm)
e. Inspect wheel side rings for dents bands or
breaks that could cause them to pop off when tires
are being inflated.
2-23
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