|
| |
TM 5-2420-222-34
3-6.
CYLINDER HEAD MAINTENANCE.
This Task Covers:
a.
Removal
d.
Repair
b.
Disassembly
e.
Assembly
c. Cleaning and Inspection
f.
Installation
d.
Initial Setup:
Equipment Conditions:
Materials/Parts:
•
Rocker arm cover removed (see TM 5-2420-222-20).
•
Wire brush (Item 4, Appendix B)
•
Rocker arm, shaft, and pushrods removed (see
•
Carbon removing compound (Item 8, Appendix B)
paragraph 3-13).
•
Engine oil (Item 25, Appendix B)
•
Engine starting aid fluid injection tube and fittings
•
Rags (Item 28, Appendix B)
removed (see TM 5-2420-222-20).
•
Dry cleaning solvent (Item 31, Appendix B)
•
Air inlet housing removed (see TM 5-2420-222-20).
•
One gasket
•
Exhaust manifold removed (see TM 5-2420-222-20).
•
Fuel injection nozzles removed (see TM 5-2420-
Personnel Required: Two
222-20).
General Safety Instructions:
•
Dry cleaning solvent is flammable and must not be
Tools/Test Equipment:
used near open flame. Use only in a well-ventilated
area.
•
General mechanic's tool kit
•
Compressed air used for cleaning purposes should
•
Field automotive shop set
never exceed 30 psi (207 kPa).
•
Steam cleaner
•
Avoid contact with live steam.
a.
REMOVAL
1.
Remove 18 capscrews (2) and washers (1) from cylinder head (3) and engine block (6).
2.
Remove cylinder head (3) and gasket (5) from engine block (6). Discard gasket.
b.
DISASSEMBLY
NOTE
Do not remove expansion plugs unless damaged or defective. Removal may
damage parts.
Drive two expansion plugs (4) out of cylinder head (3).
3-36
|
