block. Install tappets in same bore from which they
g. Install valve and valve spring in position in
correct cylinder. Install rotor (5) in exhaust valve bore.
Install spring retainer (4) in intake valve bore.
h. Use a valve removal tool and compress spring.
Insert locks to secure valves in position.
i. Refer to TM 10-3930-630-12 to adjust valve
clearances and install cylinder head and valve cover.
Figure 11-11. Valve guide installation.
Section II. OIL PAN, OIL PUMP AND PRESSURE RELIEF VALVE
11-7. Oil Pan, Removal and Disassembly
a. Refer to TM 10-3930-630-12 and drain oil pan.
a. The oil pump is a positive gear type pump. A
b. Remove and disassemble the oil pan in
gear on the upper end of the pump body is driven by a
numerical sequence as illustrated in figure 11-12.
gear on the camshaft. The pump shaft is carried in two
bronze bearings mounted in the pump housing.
b. Pressure is regulated by a pressure regulating
valve mounted in the engine block.