6.6 ENGNE ASSEMBLY MAINTENANCE.
6.6.1 Cylinder Head Maintenance.
This task covers:
General Mechanics Tool Kit (appendix B,
Section III, Item 1)
Angle of Turn Indicator Tool
(appendix B, Section III, Item 11)
Pushrod Tube Spring Compressor
(appendix B, Section III, Item 14)
Vernier Calipers (appendix B,
Section III, item 3)
Torque Wrench (appendix B, Section III,
Lockwashers (TM 10-4320-226-24P)
Washers (TM 10-4320-226-24P)
Gaskets (TM 10-4320-226-24P)
Solder (appendix E,
Section II, Item 10)
Grease (appendix E, Section II, item 6)
Equipment shut down, refer to
paragraph 220.127.116.11 or 18.104.22.168.
Air Cleaner removed,
Starter removed, paragraph 4.10.13
Engine removed, paragraph 5.5.1
Injection Pump removed,
Engine Cowlings removed,
Do not work on equipment without
following standard shop safety
rocker cover bolt (figure 6-1, 1), lockwasher (2) and washer (3).
rocker cover (4) and rocker cover gasket (5).
three nuts (6) and rocker arm assembly (7).
two cover plugs (8) and gaskets (9).
two pushrods (10).
four cylinder head bolts (11) and washers (12).
lift cylinder head (13) from cylinder while keeping Pushrod cover tube
assemblies (14) steady; then remove the pushrod cover tube assemblies.
Remove washer (15), pushrod cover tube (16), spring (17), cap (18), and
washer (19) from each pushrod cover tube assembly.
Remove intermediate ring (20).
Coat a piece of 2mm resin core solder with grease and place it in position on
piston crown at right-angles to center line of engine, as shown in figure 6-1,
view A, but not on any stenciling on piston.