CAMSHAFT CAM FOLLOWER, AND PUSHROD REPAIR (Contd)
c. Inspection (Contd)
Intake, exhaust, and injector pushrods are inspected the same way. Perform step 11 for any
intake, exhaust, or injector pushrod.
Pushrod (6) or (7)
a. Using radius gauge, check
Radius of ball end must be 0.619-
0.625 in. (15.723-15.875 mm).
Discard pushrod if ball end is
damaged or measures less than
0.619 in. (15.723 mm).
b. Using ball end of new rocker
Apply a coat of Prussian blue
lever adjusting screw (14), check
compound to adjusting screw. Put
diameter of socket.
adjusting screw (14) into socket
and rotate 180. Discard pushrod
if socket is damaged or has less
than 80 percent contact with
c. Inspect for bends or
Discard if bent or out-of-round
more than 0.035 in. (0.889 mm).
d. Check both ends for wear
Discard if there is extreme wear on
either end. Do not install pushrod
with worn ball end into new cam
e. Check for lubricating
Discard if pushrod (6) or (7) has
begun to fill with oil.
Repeat step 12 for each cam follower shaft.
Cam follower shaft (12)
a. Using suitable micrometer,
Cam follower shaft (12) diameter
measure outside diameter.
must measure 0.7485-0.7490 in.
(19.012-19.025 mm). Discard cam
follower shaft if outside diameter
measures less than 0.748 in.
b. Inspect for cracks, breaks,
Discard if damaged. Ensure
galling, surface imperfections,
grooves on shaft locking screw (10)
and broken out areas.