TM 5-3895-379-23-2
0279
REPAIR INSTRUCTIONS - Continued
2.
Castings.
a.
Only minor repairs to machined surfaces, flanges, and gasket mating surfaces are permitted. Remove
minor nicks, burrs, and scratches with:
(1)
Fine mill file.
(2)
Crocus cloth dipped in cleaning solvent.
(3)
Lapping across a surface plate.
b.
Remachining of machined surfaces to repair damage, warpage, or uneven surfaces is not permitted.
Replace castings.
c.
Repair damaged threaded pipe plug or screw threads with a tap. Repair oversize holes with threaded
inserts.
3.
Studs.
a.
Repair minor thread damage with a thread die.
b.
Replace studs having stripped or damaged threads as outlined below:
(1)
Remove using a stud remover. Back studs out slowly to avoid heat buildup and seizure that can
cause stud to break off.
CAUTION
Refer to TM 9-233 to avoid damage to castings if welding method is used.
(2)
If studs break off too short to use a stud remover, use a stud extractor to remove or use "welding
method": weld bar stock or a nut to stud and remove with a wrench.
(3)
Install replacement stud slowly to prevent heat buildup and snapping off.
4.
Gears.
a.
Remove gears using pullers.
b.
Only minor repairs to gears are permitted. Remove minor nicks, burrs, or scratches on gear teeth with:
(1)
Fine mill file.
(2)
Crocus cloth dipped in cleaning compound, solvent.
5.
Bushings and Bushing Type Bearings. When bushings and bushing type bearings seize to a shaft and spin
in the bore, associated parts must also be replaced.
6.
Oil Seals.
a.
Remove oil seals by pressing or prying out, being careful not to damage casting or adapter bore.
b.
Always install new seal in bore using proper seal installation tool.
7.
Painting. Upon installation, restored parts must be painted IAW TB 43-0209.
END OF TASK
0279-6
03/15/2011Rel(1.8)root(maintwp)wpno(M00217)
