6-5. ROCKER ARM, SHAFT AND PUSH ROD MAINTENANCE
This task covers:
General Mechanics Tool Kit
Valve Cover Removed
Injection Nozzles Removed
Rocker Arm (688999C91)
Push Rod (675621C1)
General Safety Instructions
Transmission in (N) neutral.
Parking brake set.
Remove bolts (1) securing rocker lever assembly
to cylinder head. Remove rocker arms as an
Remove snaprings (2) from the grooves at each
end of the shaft (3).
Slide rocker arm (4), support bracket (5), and
another rocker arm (6) off shaft (3) from each end.
Slide spring (7) off shaft (3).
Repeat steps c and d working from each end of
the shaft (3) until shaft (3) is bare.
f. Remove push rods (8).
Check rocker arms for cracks or surface imper-
fections. Check for worn shaft bore diameter.
Check shaft for pitting, scoring, nicking, chip-
ping, looseness, or other damage.
Check pushrods for cracks, damage, or distortion.
Inspect all attaching hardware for cracked or