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TM 1-1740-221-13&P&P
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - (CONTINUED)
Table 2. Field Level Preventive Maintenance Checks And Services For MT3 SATS Tow Tractor
EQUIPMENT
ITEM TO BE
ITEM
INTERVAL
NOT READY/
CHECKED OR
NO.
PROCEDURE
AVAILABLE IF:
SERVICED
Any tread is worn
1
Weekly
Tires and
Check tire tread depth. Tread should not be
even to height
Wheels
worn beyond level of wear bar (1/16in.) (15.9
of tread wear
mm or less). Wear bars are molded across the
indicator (1/16
tread pattern in the valley between the center
in. (1.59 mm) or
rib and lugs. The Tread Wear Indicator (TWI)
less). Any cut,
letters are molded on the sidewall to aid in
gouge, or crack
locating the wear bar.
that extends to
the cord body
or any bulges.
Tires exhibit
excessive inner
and outerwear or
balance.
Any wheel studor
Check for missing or loose wheel studs and
lug nuts. Tighten loose lugnuts and have unit lug nut is broken
maintenance torque lug nuts to proper torque. or missing or
loose.
2
Weekly
Fan Belt
Fraying, cuts,
Open engine cover and check for loose,
loose or missing
damaged or missing fan belt.
drive belt.
Any mounts are
3
Weekly
Exhaust
Check exhaust system for security of all
mounts, tightness of clamps and bolts, rusted broken, pipes are
System
conditions, damaged pipes, and any indication rusted through or
broken, or any
of an exhaust leak.
indication of an
exhaust leak.
4
Weekly
Shock
Visually inspect shock absorbers for leaks,
Class III leakage
Absorbers
damage, and security of mounting.
or damage is
evident; mounting
damaged or
loose.
5
Weekly
Bracket is cracked
Visually check alternator mount brackets for
Brackets
or mounts bolts
cracks, damage, or loose bolts.
damaged or
loose.
6
Weekly
Batteries and
Damaged battery
Check battery hold-downs for looseness or
battery cables.
hold-down.
damage.
Damaged or
Inspect batteries for cracked case and
leaking batteries.
evidence of leaking.
Damaged or
Check for missing, broken, split or frayed
corroded cables.
battery cables.
Loose or
Check for damaged battery posts.
damaged battery
posts.
Excessive rust or
Check for rust, corrosion and cleanliness.
corrosion.
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