7K116
2.
Chain Tension
2b. Rotor Drive Chains -
•
Wi
th drive disengaged:
1. Loosen jam nut and tighten set screw
until slight load is felt against set screw.
2. Back off 1/2 turn and lock jam nut.
With drive operating at 540 RPM:
1. Loosen jam nut and tighten set screw
until drive becomes noisy, then back off
until noise is reduced.
2. Lock in place with jam nut.
JAM NUT
JAM NUT
Figure 4
FRONT
of Machine
Page 10
900rev7-11-03
CARRIAGE
BOLT