TM 5-4310-386-14
5-38. Rocker Arms and Push Rods.
This task covers:
Replace
INITIAL SETUP
Tools
Equipment Condition
General Mechanic's Tool Kit
Compressor unit shut down (para. 2-13).
(NSN 5180-00-177-7033)
Rocker covers removed (para. 4-52).
Materials/Parts
Reference
Rocker Arm and Push Rod
Refer to Appendix F for torque values.
Replace. (figure 5-56)
NOTE
There are four rocker arms and four push rods. Replacement of each rocker arm and push rod is
the same.
(1)
Remove three nuts (1) and remove rocker arm bracket (2).
(2)
Remove pushrod (3) from housing'(4).
(3)
Remove nut (5), lockwasher (6), washer (7), rocker arm (8), spacer (9), and stud (10) from rocker arm
bracket (2).
(4)
Remove nut (11), adjusting screw (12) from rocker arm (8).
(5) Remove nut (13) and oil metering screw (14) from rocker arm (8).
(6) Remove thrust pad (15) from rocker arm (8).
(7) Remove bushing (16) from rocker arm (8).
(8)
Inspect thrust pad (15) and bushing (16) for wear.
(9) Inspect push rod (3) ends for wear, oil hole is open and rods are straight.
(10) Install bushing (16) into rocker arm (8) ensuring the lubricating holes in the bushing are lined up with
grooves in rocker arm.
5-158
