5-7. VARIABLE SPEED MECHANICAL GOVERNOR-MAINTENANCE INSTRUCTIONS (Continued).
Examine the speed control lever shaft and needle bearings
in the variable speed spring housing for wear.
Examine the variable speed spring lever roller and pin for
excessive wear. The roller bearing rides on a hardened
bearing pin which is a press fit in the spring lever and is
staked at three places on both sides.
Examine the variable speed spring plunger, guide, and
spring retainer for wear or score marks. If the retainer or
plunger are scored slightly, clean them up with crocus
cloth. Replace the retainer, plunger, and guide if scored
Inspect the adjusting screw, lock nut, pins, seal rings and
any other parts in the governor housing for wear or defects
that might affect the governor operation.
Replace all of the parts that are worn or damaged.