If governor barrel is defective, replace as follows:
Locate pipe plug hole on bottom of housing (38) directly below governor barrel (42).
With a piece of wire bent to form a hook, insert wi re through pipe plug hole and engage
hook in hole of roll pin (39).
Pull roll pin (39) out of housing (38) and discard roll pin.
Heat housing (38) in oven to 300F (149 C).
TAKE PRECAUTIONS AGAINST BURNS FROM DIRECT SKIN CONTACT WITH HOT
HOUSING. WEAR PROTECTIVE GLOVES.
Press governor barrel (42) out of housing (38) by pushing against spring pack housing
Using micrometer, measure barrel bore in housing (38) and outside diameter of new
Discard housing (38) if barrel in housing bore is not at least 0.002 in. (0.050 mm) smaller
than barrel outside diameter.
Check barrel bore of housing for score marks. Remove slight score marks with crocus
cloth. Discard housing (38) if deeply scored.