TM 5-6115-465-12
TO 35C2-3-446-1
NAVFAC P-8-625-12
TM 06858B/06858D-12
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
Adjustment
until the coolant temperature gauge indicates normal
a. Check
that the
generator set is
properly grounded
operating temperature.
b. Connect a 30 KW load to the load terminal board
cover.
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
closed.
speed.
d. Using a feeler gauge, check clearance between the
valve stem and the rocker arm on both intake and ex-
instruments indicate normal operation.
hot.
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.
is obtained.
Figure 3-36. Rocker Arm Assembly Inspection and Value Tappet Clearance Adjustment
Change 2