TM 5-2420-231-23-3
0369
REPAIR INSTRUCTIONS CONTINUED
(3) Lapping across a surface plate.
b. Do not remachine parts to repair damaged, warped, or uneven surfaces. Replace castings.
c.
Repair damaged threaded pipe plug or screw threads using a tap or die. Repair oversized holes with
threaded inserts.
3. Studs.
a. Repair minor thread damage with a thread die.
b. Replace studs with stripped or damaged threads as described below:
(1) Remove using a stud remover. Back out studs slowly to avoid heat buildup and seizure that could
cause stud to break off.
CAUTION
If welding method is used, refer to TC 9-237, Operator's Circular Welding Theory and
Application, to avoid damage to castings.
(2) If broken studs are too short to use a stud remover, either use a stud extractor to remove them or use
the "welding method": weld bar stock or a nut to the stud and remove with a wrench.
(3) Install replacement stud slowly to prevent heat buildup and damage.
4. Gears.
a. Remove gears using pullers.
b. Perform only minor repairs to gears. Remove minor nicks, burrs, or scratches on gear teeth with:
(1) Fine-mill file
(2) Crocus cloth dipped in solvent cleaning compound
5. Bushings and Bushing-Type Bearings.
a. When bushings and bushing-type bearings seize to a shaft and spin in the bore, associated parts must
also be replaced.
b. It may be necessary to heat bushings to aid in installation.
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 in accordance with TB 43-0209, Color, Marking,
and Camouflage Painting of Military Vehicles, Construction Equipment, and Materials Handling Equipment.
END OF TASK
LUBRICATION INSTRUCTIONS
0369
Refer to PMCS Lubrication Instructions for detailed instructions on proper lubrication. The following are some gen-
eral practices to remember:
1. Use correct lubricant.
2. Keep lubricants clean.
3. Clean all fittings and area around fill and drain points before lubrication.
4. Lubricate clean, disassembled, and new parts to prevent rust.
END OF TASK
0369-6
