f. Check and, if necessary, adjust the clearance of
f. Install gasket and valve cover and secure with
the valves on the remaining cylinders as outlined in c, d
washers and cap screws.
and e above, following the firing order of 1, 5, 3, 6, 2, 4.
g. Install breather and breather tube.
g. When all valves are properly adjusted, refer to
until the coolant temperature gauge indicates normal
the generator set
is properly grounded
b. Connect a 30 KW load to the load terminal board
c. Bar the engine over by hand until both the intake
and exhaust valves on No. 1 cylinder are completely
operate approximately 15 minutes at no load governed
d. Using a feeler gauge, check clearance between the
valve stem and the rocker arm on both intake and ex-
instruments indicate normal operation.
e. Listen for abnormal sounds, such as "knocking",
e. If the clearance is not as specified, use a suitable
while the engine is operating.
wrench to rotate adjusting screw until proper clearance
f. Observe the exhaust for excessive smoke.
Figure 3-36. Rocker Arm Assembly Inspection and Value Tappet Clearance Adjustment