TM 5-4320-300-14
6-7. CYLINDER HEAD AND BLOCK (CONT)
Location/Item
Action
Remarks
CLEANING/INSPECTION OF CAM
FOLLOWERS
CAUTION
Do not wash cam followers with diesel fuel because, at startup,
equipment damage may occur due to lack of lubrication.
20. Cam
Wash with MIL-L-2104 oil and wipe dry.
followers
21. Cam
Inspect rollers for scoring,
follower
pitting, and flat spots.
rollers
Rollers must turn freely on
their pins. Measure total
diametric clearance and
side clearance. Diametric
clearance should not exceed
0.010 inch (0.254 mm).
Side clearance should be
within 0.011 to 0.023 inch
(0.279 to 0.584 mm).
22. Cam
Measure diameter of bores and
follower
cam followers. Record the
and bore
readings.
measurement
23. Cam
Subtract diameter of cam follower from inside
follower
diameter of cam follower bore. The difference
and bore
should be between 0.0016 and 0.0036 inch
differential
(0.0406 and 0.0914 mm).
24. Cam
Examine springs for wear or damage and check
follower
the spring load. Springs should not compress
springs
below 2.1406 inches (54.371 mm) while sup-
porting a load of 250 pounds (113.4 kg).
6-33
