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TM 10-3930-659-34
4-5.
CYLINDER HEAD ASSEMBLY REPLACEMENT.
This Task Covers:
a.
Removal
c.
Installation
b.
Cleaning and Inspection
Initial Setup:
Equipment Conditions:
Materials/Parts:
•
Engine hood removed (see TM 10-3930-659-20).
•
Engine high temperature switch removed (see
•
Lubricating oil (Item 37, Appendix B)
TM 10-3930-659-20).
•
Rags (Item 43, Appendix B)
•
Fuel filter housing and bracket removed (see TM 10-
•
Dry cleaning solvent (Item 47, Appendix B)
3930-659-20).
•
One gasket
•
Fuel lines and fittings removed (see TM 10-3930-
659-20).
Personnel Required: Two
•
Engine thermostat housing removed (see TM 10-
References
3930-659-20).
•
Engine rocker arm assembly and pushrods removed
•
TM 10-3930-659-20
(see paragraph 4-12).
•
Exhaust manifold removed (see paragraph 4-21).
General Safety Instructions:
•
Fuel injection nozzles removed (see paragraph
•
Dry cleaning solvent is flammable and must not be
4-23).
used near open flame. Use only in a well-ventilated
area.
Tools/Test Equipment:
•
Compressed air used for cleaning purposes should
•
General mechanic's tool kit (Item 71, Appendix E)
never exceed 30 psi (207 kPa).
•
Compressor unit (Item 16, Appendix E)
•
Soft hammer (Item 34, Appendix E)
•
Torque wrench, 0-175 Ib.-ft. (Item 81, Appendix E)
a.
REMOVAL
1.
Attach suitable lifting device to cylinder head (2) and raise lifting device enough to support weight of cylinder head.
2.
Remove 26 screws (1) from cylinder head (2).
WARNING
Use extreme caution when handling heavy parts. Lifting device is required when
parts weigh over 50 lb (23 kg) for a single person lift, over 100 lb (45 kg) for a two
person lift, and over 150 lb (68 kg) for a three or more person lift. Keep clear of
heavy parts supported only by lifting device. Failure to follow this warning may
cause serious injury or death to personnel.
4-14
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