TM 9-2330-356-14
unless inspection shows that they are
WARNING
defective,
Particles blown by compressed air can be
b.
Cleaning.
dangerous. Be certain to direct air stream
away from the user and other personnel In the
area.
WARNING
(3) Dry oil inlet using clean, filtered, compressed
Dry cleaning solvent P-D-680 is toxic and
air under moderate pressure of approximately 15 psi.
flammable. Always wear protective goggles
and gloves, and use only In a well-ventilated
Inspection and Repair.
b.
area. Avoid contact with skin, eyes, and
clothes, and DO NOT breathe vapors. DO
(1) Visually inspect rocker arm cover for nicks or
NOT use near open flame or excessive heat.
dents on the gasket mating surface. Inspect cover for
The solvent's flash point Is 100F-138F
cracks, particularly around the area of the lifting bracket
(38C-59C). If you become dizzy while
bolt hole. Inspect bolt holes for damaged or excessively
using cleaning solvent, Immediately get fresh
worn threads, Replace rocker arm cover assembly if
air and medical help. If solvent contacts eyes,
damaged.
Immediately wash your eyes with water and
get medical aid.
(2) Inspect oil line for deep nicks or dents that
may obstruct oil flow. Inspect line for cracks or punctures.
Replace oil line if defective.
(1) Thoroughly clean all components of the
a.
(2) Check out oil inlet port (15) using a cleaning
wire, and flush clean with cleaning solvent.
(1) Remove valve stem cap (1).
WARNING
depress the valve spring (5, fig. 7-55) and remove both
halves of the valve stem lock (2).
Particles blown by compressed air can be
dangerous. Be certain to direct air stream
away from the user and other personnel in the
spring retainer (3), valve spring (5), and valve (8 or 10)
area.
NOTE
(3) Dry all tapped holes and oil ports using clean,
The seal assemblies with retainers are
dry, compressed air under moderate pressure of 15 psi.
installed on the intake valve guides only.
c.
Inspection and Repair--Cylinder Head Compo-
nents.
(4) Remove seal assemblies (4).
(5) Repeat steps (1) through (4) to disassemble studs (1) Cylinder Head Casting and Rocker Arm
remaining intake and exhaust valve components.
(a) Inspect cylinder head casting (16,
(6) Remove the rocker arm studs (11) only if
fig. 7-55) using Magnaflux or
die penetrating technique to
defective.
detect cracks.
NOTE
(b) Inspect all finished surfaces for nicks,
scratches, pitting, or excessive wear.
Removal procedures for the valve guides (6
and 9) and the valve seats (7) will be found in
(c) Inspect all tapped holes for worn or
not remove the valve guides or valve seats
damaged threads.