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 TM 55-1905-220-14-5
3-90.2. EXHAUST VALVE - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
REMOVAL - CYLINDER HEAD OFF ENGINE (Cont)
10.
a. Cylinder
1. Place on 2 inch wood
valve
head
blocks, bottom side
guides
up.
(11)
2. Drive the valve guide
(11) out from the
bottom of the cylinder
head.
11.
a. Cylinder
Place on side.
valve
head
seat
insert
(12)
b. Remove
1. Place the collet of
valve
tool J 6567 inside the
seat
valve seat insert so
insert
the bottom of the col-
(12)
let is flush with the
bottom of the insert.
2. Hold the collet handle
and turn the T handle
to expand the collet
cone until the insert
is held securely by
the tool.
3-1534
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