TM 10-4320-315-24
3-30. MAINTENANCE OF CYLINDER HEADS
This task covers:
a.
Remove
b.
Install
INITIAL SETUP
Tools
Equipment Conditions
General Mechanics Tool Kit
Electrical wire from temperature sensor disconnected
(Item 1, Appendix B)
(para. 2-37).
Angle-of-Turn Indicator
Fuel injectors removed (para. 2-50).
(Item 4, Appendix B)
Cylinder head cover removed (para. 2-54).
Intake and exhaust manifolds removed
(para. 3-23).
Materials/Parts
Front and end walls of cowling assembly removed
(para. 3-24).
Tags (Item 21, Appendix C)
Rocker arms removed (para. 3-29).
60/40 Solder Lead Wire (Item 18, Appendix C)
Grease (Item 8, Appendix C)
a. REMOVE. (Figure 3-29)
NOTE
To prevent malfunction of parts, reinstall pushrods in same location from which they
were removed.
(1)
Tag and remove pushrods (1).
(2)
Using square recess socket, remove two plugs (2) and seals (3) from cylinder head.
NOTE
Loosen head bolts in a diagonal sequence.
(3)
Loosen head bolts (4) in stages.
(4)
Depress spring (7) on each pushrod tube (6) to remove pushrod tubes from cylinder head (11). Remove
and tag pushrod tubes.
(5)
Remove springs (7), profile washers (8), and seals (9) from pushrod tubes (6).
(6)
Remove cylinder head (11) with head bolts (4) and washers (5). Put location tag on cylinder.
(7)
Remove cylinder head gasket (10).
3-63
