3-7. CYLINDER HEAD ASSEMBLY REPLACEMENT/REPAIR (CONT)
Stamp two X's on side of cylinder
head in line with pocket with service
Machine parent metal exhaust valve
seat pockets and install exhaust.
Valve seats marked with one X at side of
cylinder head have been ground once and
if regrinding is necessary, install service
Machine parent metal intake valve
seat pocket to dimensions shown.
Install exhaust valve service seats
the same way as described for the
intake service seats (see Steps (5)(b)
through (6)(j) above).
If it can not be accurately
determined that service valve seats
have been ground only once after
initial installation, replace seat.
Grind valve service seat(s). Grind
service seats (15) for a few seconds
only to avoid making them too wide
to fit in cylinder head (2).
Valve seats marked with two X's on
cylinder head have service seats
installed. Service seats, like the
parent metal seats, can only be
ground once after initial
Grind service seats the same way, and to same tolerances, as used for grinding integral seat in
Step (4) above.