TM 9-4110-255-14
5-45. CYLINDER HEAD TESTING, REPLACEMENT, AND ADJUSTMENT .-Continued
(9) Install gate (7) and two screws (6).
(10) Install two flat washers (5) and bolts (4).
(11) Install new gasket (3), muffler assembly (2), and two screws (1).
d. Adjustment.
(1) Press on both rocker adjusting screws (26) while rotating engine flywheel (27) clockwise until both rocker
arms (28) are up off valve stems (29) and reference mark (30) on shroud (31) is aligned with the piston top
dead center point (32) (third/last dot) punched onto the flywheel (27).
(2) Using valve adjustment tool, adjust each rocker arm (28) for a clearance to the valve stem (29) of 0.006 in.
(0.15 mm).
(3) Install new gasket (12), cover (11), and three screws (10).
NOTE
FOLLOW-ON MAINTENANCE:
Install air inlet elbow and air cleaner (para 4-50).
Install top access panel (para 4-13).
Close front door. Close left side door.
5-46. ENGINE OIL PUMP INSPECTION AND REPLACEMENT.
This task covers:
a. Removal
b. Inspection
c. Installation
INITIAL SETUP
Materials/Parts:
Equipment Conditions:
O-ring
Left side door open.
57, Appendix G
Refrigeration unit shut down (para 2-7) and battery
disconnected (para 4-35).
a. Removal.
(1) Remove three screws (1), cover (2), and o-ring (3). Discard o-ring.
(2) Remove internal rotor (4) and external rotor (5).
5-94
