TM-9-2320-273-34
TRUCK TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
DECEMBER 1980
TM-9-2320-273-34 - Page 46 of 801
TM 9-2320-273-34
(2)
Replacement
Placernent. Only standard studs are supplied for replacement. If threaded openings are
damaged and retapping will not clean up threads, drill and tap opening in casting and install a threaded
insert.
NOTE
All replacement studs have a special
coating and must have a small amount
of mica-base antiseize compound (MI L-
A-13881) applied on the threads before
the stud is installed in the casting.
d. Gears.
(1)
Replace all cracked gears.
(2)
Replace gears having worn, pitted or galled teeth. Remove sharp fins and burrs from gear
teeth with crocus cloth dipped in drycleaning solvent.
e. Bushings and Bushing Type Bearings.
When bushings and bushing-type bearings are damaged or
worn beyond specified limits, generally the associated parts with which they are used must also be replaced.
f. Oil Seals.
Oil seals must be replaced when the thin feather edge is damaged or when the seal
material has become hard or brittle.
(1) Removal.
press or pry a damaged oil seal from the casting or adapter, being careful not
to damage the bore in the casting or adapter.
(2) Repair.
When a casting oil seal bore or adapter is burred to a point where an oil-tight seal
is impossible, replace the casting or adapter. Remove slight nicks, burrs, and scratches from the casting
bore or adapter with crocus cloth dipped in drycleaning solvent.
(3) installation.
Install a new oil seal in the bore of the casting or adapter using a proper oil
seal installation tool.
2-9. Assembly Instructions. Extreme care must be exercised in all component assembly operations to
insure satisfactory component performance. Precautionary rules for assembly are outlined below.
Step-by-step procedures for assembly of various components are covered in-the paragraph relating to the
specific component.
a. Precautionary Rules.
(7)
Cleanliness is essential in all component assembly operations. Dirt and dust, even in
minute quantities, are abrasive. Parts must be cleaned, as specified, and kept clean. Wrap or cover parts
and components when assembly procedures are not immediately completed.
(2)
Coat all bearings and contact surfaces with operating oil (rear axle oil for axle parts;
transmission oil for transmission parts, etc. ) to insure lubrication of parts during initial operation after
repair.
(3)
Replace all gaskets and preformed packings during assembly.
2-30
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