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 62 of 624
TM 9-2320-283-34-1
3-6.
REPAIR (Continued).
(2)
Only minor repairs to machined surfaces, flanges, and gasket mating surfaces are permitted.
Remove minor
nicks, burrs,
and/or scratches with:
(a)
Fine mill file.
(b)
Crocus cloth dipped in cleaning solvent.
(c)
Lapping across a surface plate.
(3)
Remachining of machined surfaces to repair damage, warpage, or uneven surfaces is not permitted.
(4)
Repair damaged threaded holes with a thread tap or repair oversize holes with threaded inserts.
c.
Ball-Roller Bearings. See TM 9-214.
d.
Studs.
Repair minor
thread damage with a thread
chaser.
Replace
all bent, stretched, stripped, or damaged
studs as outlined below:
(1)
Remove
with
a stud
remover.
Back studs
out slowly
to avoid
heat build-up and seizure which can cause
studs to break off.
(2)
If a stud is broken off too short to use a stud remover,
use extractor to remove, or use "welding method".
CAUTION
See TM 9-237 welding instructions to avoid
damage to castings if welding method is
used.
(3)
A broken stud can be removed by welding bar stock or a nut to stud and removing with wrench.
NOTE
Standard
studs
may
have
a coarse thread
on one end and a fine thread on the other
end.
The coarse thread end is installed in
the aluminum casting. Studs having coarse
threads
on both ends are used
in some
applications. The shorter threaded end goes
into the casting.
See
TM
9-2320-283-34P for
correct part numbers.
3-8
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