TM-9-2320-283-34-1
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
DECEMBER 1983
TM-9-2320-283-34-1 - Page 61 of 624
TM 9-2320-283-34-1
3-5.
INSPECTION (Continued).
c.
Ball-Roller Bearings. See TM 9-214 for inspection of bearings. Check all bearings for conformance to applicable
repair standards.
d.
Studs, Bolts, and Capscrews.
Replace
if
bent, loose,
stretched, or if threads are damaged.
e.
Gears.
(1)
Inspect all gears for cracks, using a magnifying glass and strong light. No cracks are allowed.
(2)
Inspect gear teeth for wear, sharp fins, burrs, and galled or pitted surfaces.
(3)
Check keyway slots for wear and/or damage.
f.
Bushings and Bushing Type Bearings.
(1)
Check all bushings and bushing type bearings for secure fit, evidence of heating, wear, burrs, nicks, and
out-of-round conditions.
(2)
Check for dirt in lubrication holes or grooves. Holes and grooves must be clean and free from damage.
g.
Oil Seals. Oil seals are mandatory replacement items.
3-6.
REPAIR.
a.
General Instructions.
Repair of most parts and components is
limited to procedures outlined in applicable
maintenance instructions and the following general procedures detailed in "b" through "h" below.
CAUTION
Repaired
items
must
be
thoroughly
cleaned to remove metal chips and
abrasives to prevent them from entering
working parts of vehicle.
b.
Castings.
(1)
All cracked castings will be replaced.
3-7
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