CHAPTER 2. MAINTENANCE INSTRUCTIONS

*TM 9-2815-213-34

CHAPTER 2

MAINTENANCE INSTRUCTIONS

Section I. Repair Parts, Special Tools, and Equipment

functions described in Chapter 3 are listed in Appendix

2-1. Tools and Equipment

Tools, equipment, and repair parts authorized for the

Cummins Model V8-300 diesel engine are listed in

2-3. Maintenance Repair Parts

Appendix B.

Repair parts are listed in the repair parts and special

2-2. Special Tools and Equipment

tools listed in Appendix B.

Special tools and equipment required to perform

Section II. General Maintenance

(2) Wash passages by flushing with dry-cleaning

2-4. Scope

solvent or mineral spirits paint thinner.

This section contains general maintenance instructions

(3) Dry passages by blowing them out with dry,

for cleaning, inspection, repair, and assembly of the

compressed air.

engine. Instructions which apply only to specific

d. Oil Seals, Electric Cables, and Flexible Hoses.

subassemblies or components are provided in the

Clean seals, cables, and flexible hoses with soap and

subsequent sections in which those items are covered

water.

individually.

CAUTION

2-5. Cleaning

Do not allow dry-cleaning solvent or

a. General. The following procedures shall be

mineral spirits paint thinner to be in

applied in all maintenance work:

contact with seals, cables, and flexible

(1) Clean all parts before inspection, after repair,

hoses. These cleaners cause leather,

and before assembly.

rubber, and synthetic materials to dry

(2) After cleaning, cover all parts or wrap them in a

out, rot, and lose pliability, making them

suitable covering as protection against dust and dirt.

unserviceable.

b. Castings

e. Ball Bearings. Refer to TM 9-214 for information

(1) Clean the inner and outer surfaces of castings

on care and maintenance of bearings.

and all areas subject to oil and grease with a dry-

2-6. Inspection

cleaning solvent or mineral spirits paint thinner.

a. Castings.

(2) Remove sludge and gum deposits from castings

using stiff brush.

(1) Inspect all ferrous (cast iron, steel, etc.) castings

for cracks with magna-flux equipment. Inspect all non-

WARNING

ferrous (aluminum) castings for cracks using a

Particles blown by compressed air

magnifying glass and a strong light. Carefully check

arehazardous. Make certain the air

areas adjacent to studs, pipe plugs and threaded inserts,

stream is directed away from the user

also check sharp corners and fillets.

and any other persons in the area.

(2) Inspect machined surfaces of castings for nicks,

(3) Blow out all tapped holes with compressed air

burrs, or raised metal, and mark damaged areas for

and dry castings, after cleaning with compressed air.

repair.

c. Oil passages. All oil passages must be clean

(3) Check all mating flanges on housings and

and free of obstructions.

supports with straight edge or surface plate for warpage.

(1) Clean passages with wire or probes to break up

Inspect mating flanges for discoloration which may

any sludge or gum deposits.

indicate persistent oil leakage.

(4) Inspect all pipe plug and cap screw tapped

openings for damaged or stripped threads.

2-1