TM 10-4320-318-14
6-6. MAINTENANCE OF CYLINDER HEAD.
This task covers:
a. Remove
b. Inspect
e. Assemble
b. Disassemble
d. Repair
f. Install
INITIAL SETUP
Tools
General Mechanics Tool Kit
(Item 1, Appendix B)
Valve Spring Compressor
(Item 3, Appendix B)
Depth Gage
(Item 3, Appendix B)
Inside and Outside Micrometers
(Item 3, Appendix B)
Torque Wrench
(Item 3, Appendix B)
Press-in Mandrel
(Item 13, Appendix B)
Valve Grinder
(Item 3, Appendix B)
Valve Lapping Tool
(Item 3, Appendix C)
Materials/Parts
O-rings (TM 10-4320-318-24P)
Head Gasket (TM 10-4320-318-24P)
Oil, Lubricating
(Item 7, Appendix E)
Equipment Conditions
Air cleaner removed (para. 4-18).
Spark arresting muffler removed (para 4-17).
Injector removed (para .4-26).
Fuel tank and fuel lines removed (para. 4-23 and 4-
25).
Valve cover removed (para. 4-29).
a.
REMOVE (Figure 6-9).
(1) Remove screw (1) and nut (2).
(2) Remove screws (3), washer (4), and shroud (5).
(3) Loosen nuts (6 and 11) in stages.
(4) Remove nuts (6), washers (7), lifting eye (8), and covers (9 and 10).
(5) Remove nuts (11) and washers (12) that secure rocker shaft (13) with clamp (14). Remove rocker arm
assembly.
(6) Remove cylinder head (15).
(7) Remove push rods (16 and 17), push rod tubes (18), springs (19), shims (20), and O-rings (21).
(8) Remove and discard head gasket (22).
6-11
