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 TM 55-1905-220-14-5
3-90.2. EXHAUST VALVE - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
INSTALLATION - CYLINDER HEAD OFF ENGINE (Cont)
18.
valve
seat
insert
Wear eye protection when using compressed air.
Great care must be used during the installation of a valve seat
insert since this part is a press fit in the cylinder head.
a. Cylinder
Clean.
Wash with fuel
head
oil and dry
with compressed
air.
b. Valve
Clean.
Wash the valve
insert (12)
insert counter-
bore and valve
insert with a good
solvent. Dry with
compressed air.
3-1540
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