TM 5-4320-300-14
6-7. CYLINDER HEAD AND BLOCK(CONT)
Location/item
Action
Remarks
3.
Rocker arms
Remove bolts holding
brackets to the cylinder
head. Loosen push rod
lock nuts. Unscrew
push rods enough to re-
lease rocker arms. Then
remove brackets, shaft,
and rocker arms.
NOTE
Slide wood blocks
under valves to keep
them from falling
out of cylinder head
after valve locks are
removed.
4.
Valve springs,
Compress spring and
locks, caps,
remove two-piece valve
and seats
lock. Remove valve
spring cap, spring, and
seat. Repeat for each
valve spring.
5.
Valves
Turn cylinder head over, using care to keep
Valve guides and
valves from falling out of head. Number
valve seat inserts
each valve to facilitate reinstallation in the
can be inspected
same location. Then withdraw valves from
and cleaned with-
cylinder head. Reposition the cylinder head
out being removed
on its side.
from cylinder head.
6-28