Lap corresponding valve (12) or (13) to each
seat (14) or (15) and grind as necessary. (Refer
Dry cleaning solvent P-D-680 is toxic
3. INSTALL VALVE SPRING GUIDES (10).
goggles and gloves and use only in a
well ventilated area. Avoid contact
4. INSTALL NEW VALVE STEM SEALS (8) AND (9).
with skin, eyes, and clothes and don't
breathe vapors. Do not use near
open flame or excessive heat. The
flash point is 100F-138F (380-590C).
If you become dizzy while using
different. Be sure to use correct seal.
cleaning solvent, get fresh air
immediately and get medical aid. If
5. INSTALL VALVES (12) AND (13).
contact with eyes is made, wash your
eyes with water and get medical aid
Be sure valves (12) and (13) are
g. Clean the valve guide bore with cleaning solvent.
installed in corresponding valve
bores as removed and/or lapped.
2. IF REMOVED, INSTALL NEW VALVE SEATS (14)
a. Lubricate valve stems with SAE 90W engine oil
and insert valves (12) and (13) in corresponding
a. Freeze new valve seats at 0F (18C) for 30
minutes before attempting to install.
b. Position valve springs (7) and valve spring
b. Remove new seats (14) and (15) from freezer
retainers (6) over valve stems.
one at a time and position in valve pocket.
Using a hardwood board and a lead hammer,
Compress valve springs (7) and install valve
place hardwood board on valve seat (14) or (15)
spring locks (5). Release spring tension.
and drive seat into valve pocket until bottomed.
Wear eye protective goggles. If valve
spring locks (5) are not correctly
different. Be sure to use correct seat.
installed, they can fly out when hit
with a hammer.