INSPECTION INSTRUCTIONS (Cont)

TM 5-2410-233-23

GENERAL MAINTENANCE INSTRUCTIONS - CONTINUED

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INSPECTION INSTRUCTIONS - CONTINUED

Bushing and Bushing Type Bearings.

Check all bushings and bushing type bearings for secure fit, evidence of overheating, wear, burrs, nicks and out-of-

round condition. Replace as necessary.

Check for dirt in lubrication holes or grooves. Holes and grooves must be clean and free from damage.

Oil Seals. Oil seals are mandatory replacement items.

10.

Core Hole Expansion Plugs. Inspect for leakage. Replace plugs when leakage is present.

11.

Machine-Tooled Parts. Inspect for cracks, breaks, elongated holes, wear and chips. Replace any damaged parts.

Machined Surfaces. Inspect for cracks, evidence of wear, galled or pitted surface, burrs, nicks and scratches.

12.

13.

Mating Surfaces. Inspect for remains of old gasket, seal, secure fit, pitting and evidence of leakage.

14.

Rusted Surfaces. Inspect for pitting, holes and severe damage.

15.

Oil-Bathed Internal Parts. Inspect for cracks, nicks, burrs, evidence of overheating and wear.

16.

Internal Parts. Inspect for cracks, nicks, burrs, evidence of overheating and wear.

17.

Externally Exposed Parts. Inspect for breaks, cracks, rust damage and wear.

18.

Springs. Inspect for broken, collapsed and twisted coils.

REPAIR INSTRUCTIONS

General.

Any repair procedure peculiar to a specific part or component is covered in the work package relating to that item.

CAUTION

Repaired items must be thoroughly cleaned to remove metal chips and abrasives, to prevent these from

entering working parts of the machine.

After repair, clean all parts thoroughly to prevent dirt, metal chips or other foreign material from entering any

working parts.

Castings.

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.

Remachining of machined surfaces to repair damage, warpage or uneven surfaces is not permitted. Replace cast-

ings.

Repair damaged threaded pipe plug or screw threads with a tap. Repair oversize holes with threaded inserts.

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