3-165.1. VALVE INJECTOR MECHANISM - MAINTENANCE INSTRUCTIONS (Continued).
CLEANING AND INSPECTION (Cont)
dried with compressed air.
Examine the cam follower rollers for scoring, pit-
ting or flat spots. The rollers must turn freely
on their pins. Measure the total diametric clear-
ance and side clearance. Install a new roller and
pin if the clearances exceed those shown below.
Cam followers stamped with the letter "S" on the
pin, roller and follower body are equipped with an
oversize pin and roller. The same clearances
apply to either a standard or oversize cam
Examine the camshaft lobes for scoring, pitting
or flat spots. Replace the camshaft if necessary.
(Refer to Direct Support Maintenance).
Check the cam follower-to-cylinder head clearance.
The clearance must not exceed .006 inch (0.015 cm)
with used parts.
Examine the cam follower bores in cylinder head to
make sure they are clean, smooth and free of score
marks. If necessary, clean up the bores.