CLEANING - TM-9-2815-221-34-P0077

INSPECTION AND REPAIR

CLEANING

CYLINDER HEAD CASTING AND ROCKER ARM STUDS

WARNING

A Inspect cylinder head casting for cracks, using

Dry-cleaning solvent used to clean parts is poten-

particle or dye-penetrating method.

tially dangerous to personnel and property. Do

not use near open flame or excessive heat. Flash

Inspect all finished surfaces for nicks, scratches, pitting or

point of solvent is 138 "F.

excessive wear.

NOTE

Clean all components of cylinder head assembly with

cleaning solvent (item 8, Appx C) or mineral spirits paint

Do not enlarge threaded hole.

thinner (item 21, Appx C) and a stiff brush.

C Inspect all tapped holes for worn or darnaged threads.

Clean oil inlet

with cleaning wire and flush clean with

Repair minor damage to threads using proper size tap.

dry-cleaning

(item 8, Appx C).

D Repair minor damage to cylinder head casting with fine file.

Emery cloth (item 5, Appx C) dipped in dry-cleaning solvent

WARNING

(item 8, Appx C) or mineral spirits paint thinner (item 21,

Particles blown by compressed air can be

Appx C) may also be used.

dangerous. Direct air stream away from person-

nel in immediate area.

Blow out and dry

tapped holes and oil ports using clean,

dry,

compressed air.