User Guide

10
EMERGENCY DISCONNECT SYSTEM
Pull emergency
release handle
straight down.
Emergency disconnect
will open.
Emergency
Disconnect
Door Arm
Lift free end of
door arm to trolley.
Pull emergency handle
to allow arm to engage
roll pin. Release handle.
Emergency disconnect
will close.
Emergency
Disconnect
Door Arm
TO DISCONNECT DOOR FROM OPENER
TO RECONNECT DOOR ARM TO TROLLEY
DOOR ARM IS RELEASED FROM TROLLEY WHEN
EMERGENCY DISCONNECT OPENS.
TO AVOID BEING STRUCK BY DOOR ARM, DO NOT
STAND UNDER THE ROPE OR DOOR ARM WHEN
PULLING THE EMERGENCY RELEASE.
WARNING
TORQUE ADJUSTMENT
1. Loosen set screws of torque adjustment nut on the
gear reducer.
2. Back off toque nut until there is very little tension
on the belleville washers.
3. Tighten torque nut gradually until there is just
enough tension to permit the operator to move the
door smoothly through a complete open/close cycle,
but to allow the reducer to slip if the door is obstruct-
ed.
4. Re-tighten the set screw that is directly over the flat
portion of the shaft.
TORQUE NUT
SET SCREWS
Header
Bracket
Straight
Door Arm
Assembly
Emergency
Release
Handle
Door
Bracket
Door
Chain
Clevis
Pin
Trolley
Emergency
Disconnect
Track
Curved
Door Arm
NOTICE
BRAKE ADJUSTMENT
A solenoid brake is standard on GT operators. 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.
Friction Pads
Release Lever
Brake Plate
Assembly
Solenoid
Solenoid Brake System