ITEM
PAR. REF
20
VALVE MECHANISM. Check valves every 1000 hours for proper
adjustment. Proper adjustment is 0.020 inch for intake
valves and 0.024 inch for exhaust. (HOT)
21
MASTER CLUTCH. Check for proper operation and adjustment.
Adjust clutch until a firm pressure is required to engage
clutch.
22
CONTROLS AND INSTRUMENTS. Inspect controls and instruments
for damage and loose connections. With the unit operating,
inspect for Improper operation. Normal operating readings
for instruments are as follows: Oil pressure gage - 55 to
65 psi, Water temperature gage - 165 to 185F, Ammeter -
green range, Tachometer - 1,400 rpm.
NOTE. OPERATIONAL TEST. During operation check for
unusual noise or vibration, leaks, and proper
operation.
MSC 3820-205-20/1/4.1
Figure 6-Continued.
AGO 8157A
22