TM 9-2320-272-24-3
4-41. ROCKER LEVERS, PUSH RODS, AND CYLINDER HEAD REPLACEMENT
THIS TASK COVERS:
c. Cylinder Head Installation
a. Rocker Levers and Push Rods Removal
d. Rocker Levers and Push Rods Installation
b. Cylinder Head Removal
INITIAL SETUP:
REFERENCES (TM)
APPLICABLE MODELS
TM 9-2320-272-24P
M939A2
EQUIPMENT CONDITION
SPECIAL TOOLS
Parking brake set (TM 9-2320-272-10).
Torque angle gauge (Appendix E, Item 141)
Aftercooler removed (para. 3-76).
TOOLS
Fan clutch and hose removed (para. 3-74).
General mechanic's tool kit (Appendix E, Item 1)
Fuel injector tubes removed (para. 3-19).
Torque wrench (Appendix E, Item 144)
Valve covers removed (para. 3-6).
MATERIALS/PARTS
Seal (Appendix D, Item 598)
Fuel filter (Appendix D, Item 135)
Lockwasher (Appendix D, Item 364)
Gasket (Appendix D, Item 188)
Two washers (Appendix D, Item 645)
Two washers (Appendix D, Item 644)
Two washers (Appendix D, Item 714)
Washer (Appendix D, Item 711)
Lubrication oil (Appendix C, Item 48)
Diesel fuel Appendix C, Item 42)
a. Rocker Levers and Push Rods Removal
1.
Loosen twelve locknuts (3) and turn adjusting screws (2) two full turns counterclockwise.
2.
Remove twelve screws (1), six retaining clamps (9), rocker lever assemblies (8), and rocker lever
supports (7) from cylinder head (5).
3.
Remove oil manifold (4) from cylinder head (5).
4.
Remove twelve push rods (6) from cylinder head (5).
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