Clutch Adjustment Clutch Parts; Clutch Adjustment; Brake Adjustment; Brake Parts - Chamberlain GH Owner's Manual

ADJUST TORQUE LIMITER CLUTCH (OPTIONAL MODIFICATION)
1. Loosen set screws on clutch nut.
2. Back off clutch nut until there is very little tension
on the clutch spring.
3. Tighten clutch nut gradually until there is just
enough tension to permit the operator to move the
door smoothly but to allow the clutch to slip if the door
is obstructed. When the clutch is properly adjusted, it
should generally adjusted, it should generally be pos-
sible to stop the door by hand during travel.
WARNING
TO AVOID SERIOUS PERSONAL INJURY OR DEATH
FROM ELECTROCUTION, DISCONNECT ELECTRIC
POWER TO OPERATOR BEFORE ADJUSTING SLIP
CLUTCH.
CAUTION
The brake is adjusted at the factory and should not need additional adjustment for the the life of the friction pad.
Replace friction pads when necessary. Refer to the illustration for identification of components for the solenoid
type brake system.
Solenoid Brake System
Friction Pads
WARNING
CAUTION: The torque limiter clutch is NOT an
automatic reversing device. A Reversing Device
can be added to bottom edge of door if desired.

BRAKE ADJUSTMENT

Plate Assembly
10
(3) Set
Screws
WARNING
Release Lever
Solenoid
Actuator Plate