(3) Exhaust valve guides
Inspect valve guides for fractures, chipping, scoring, or excessive wear. Measure inside
diameter of valve guide and diameter of valve stem to determine clearance between guide and
valve stem. If clearance exceeds 0.005 inch, replace valve guide, Replace valve guide as
Support cylinder head, bottom side up,
on three inch thick wood blocks.
Drive valve guide (72) out of cylinder
head with valve guide remover (73).
Place cylinder head right side up on
bed of an arbor press.
Position valve guide squarely in bore.
Using valve guide installer (74), press
into position until tool contacts cylinder
(4) Valve bridge guides
(a) Inspect valve bridge guides for wear.
Replace guides as follows:
File or grind two opposite notches
0.06 inch deep in side of bridge
guide (18) approximately 1.25 inches
Using bridge guide remover set,
place spacer (75) over guide.
Slide guide remover (76) over guide
and aline set screws with notches
ground in guide. Tighten set screws
to secure guide remover in place.
Place spacer (77) over guide remover (76).
Thread nut (78) on guide remover and turn clockwise to withdraw guide from cylinder