TM 10-4320-315-24
3-29. MAINTENANCE OF ROCKER ARM ASSEMBLY - (Cont)
(1)
Remove nuts (1) from rocker arm mounting studs (2).
(2)
Remove rocker arm assembly.
NOTE
These procedures apply to both rocker arms.
b. DISASSEMBLE.
(1)
Remove circlip (3), flat washer (4), and rocker arm (5) from rocker arm bracket (6).
(2)
Remove nut (7) and adjusting screw (8) from rocker arm (5).
(3)
Remove nut (9) and oil nozzle (10).
c. INSPECT/REPAIR.
(1)
Inspect thrust pad for wear and pitting. If worn or pitted, press out thrust pad (11) from rocker arm (5).
(2)
Inspect adjusting screw (8) for damage threads and pitting at pushrod end. If damaged threads or pitted,
replace adjusting screw (8).
(3) Inspect oil nozzle adjustment.
d. ASSEMBLE.
(1)
Install adjusting screw (8) into rocker arm (5).
(2)
Install rocker arm (5) on rocker arm bracket (6) with flat washer (4) and circlip (3).
(3)
Install oil nozzle (10) into rocker arm (5) until it barely touches rocker arm bracket (6). Then back off
slightly and lock in place with nut (9).
e. INSTALL.
(1)
Place rocker arm assembly over rocker arm mounting studs (2) on cylinder head.
(2)
Install nuts (1) on rocker arm mounting studs. Torque to 20.5 ftlbs (28 Nm).
3-62
