GENERAL MAINTENANCE INSTRUCTIONS - CONTINUED
Any repair procedure peculiar to a specific part or component is covered in the work package relating to that item.
Repaired items must be thoroughly cleaned to remove metal chips and abrasives, to prevent these from
entering working parts of the roller.
After repair, clean all parts thoroughly to prevent dirt, metal chips or other foreign material from entering any
Only minor repairs to machined surfaces, flanges and gasket mating surfaces are permitted. Remove minor nicks,
burrs and scratches with:
Fine mill file.
Crocus cloth dipped in cleaning solvent.
Lapping across a surface plate.
Remachining of machined surfaces to repair damage, warpage or uneven surfaces is not permitted. Replace cast-
Repair damaged threaded pipe plug or screw threads with a tap. Repair oversize holes with threaded inserts.
Repair minor thread damage with a thread die.
Replace studs having stripped or damaged threads as outlined below:
Remove using a stud remover. Back studs out slowly to avoid heat buildup and seizure that can cause stud
to break off.
Refer to TM 9-233 to avoid damage to castings if welding method is used.
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.
Install replacement stud slowly to prevent heat buildup and snapping off.
Remove gears using pullers.
Only minor repairs to gears are permitted. Remove minor nicks, burrs or scratches on gear teeth with:
Fine mill file
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.
Remove oil seals by pressing or prying out, being careful not to damage casting or adapter bore.
Always install new seal in bore using proper seal installation tool.
Painting. Upon installation, restored parts must be painted IAW TB 43-0209.