REPAIR INSTRUCTIONS -714360054

TM5-241O-237-34

Air Actuated Internal Parts. Inspect for cracks, nicks, burrs, evidence of

overheating and wear.

Externally Exposed Parts.

Inspect for breaks, cracks, rust damage and wear.

r. Springs.

Inspect for broken, collapsed and twisted coils.

2-13. REPAIR INSTRUCTIONS

a. General. Any repair procedure peculiar to a specific part or component is

covered in the section or paragraph relating to that item. After repair,

clean all parts thoroughly to prevent dirt, metal chips or other foreign

material from entering any working parts.

CAUTION

Repaired items must be thoroughly cleaned to remove

metal chips and abrasives to prevent them from entering

working parts of the D7G tractor.

b. Castings.

(1) All cracked castings will be replaced.

(2) Only minor repairs to machined surfaces, flanges and gasket mating

surfaces are permitted. Remove minor nicks, burrs and scratches with:

(a) Fine mill file.

(b) Crocus cloth dipped in cleaning solvent.

(3) Remachining of machined surfaces to repair damage, warpage or uneven

surfaces is not permitted. Replace castings.

Repair

(4) Repair damaged threaded pipe plug or screw threads with a tap.

oversize holes with threaded inserts.

Refer to TM9-214 for repair of bearings.

Studs. Replace all bent and stretched studs. Repair minor thread damage

with a thread die. 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.

(2) If studs break off too short to use a stud remover, use a stud extractor

to remove or use "welding method".

CAUTION

Refer to TM9-237, Welding Instructions, to avoid damage

to castings if welding method is used.

2-34