Page 19
TROUBLE SHOOTING
(DOCTOR ROLL DRIVE CLUTCH)
If the torque is too high or too low readjust toque limiter by tightening or
loosening the adjusting nut as required. First straighten the tab on the lock washer
before adjusting nut after adjusting the nut bend the tab on the lock washer locking
the tab into place (SEE CHART BELOW).
TROUBLE SHOOTING DOCTOR ROLL DRIVE CLUTCH
Problem
Possible Cause
Corrective Action
1. The doctor roll stops
rotating.
1. Seal plates are too tight.
2. Clutch needs adjusting to
apply more torque.
1. Loosen spring tension on
seal plates.
2. Straighten the tab on the
lock washer and turn the
nut by hand clockwise to
apply more torque.
1. The doctor roll drive chain
jumping.
1. Clutch needs adjusting to
apply less torque.
2. Spring tension needs to
be increased on chain
tightner, or the spring is
broken or weak and
needs to be replaced.
1. Straighten the tab on
the lock washer and turn
the nut counter clockwise
to apply less torque.
