LiftMaster MGJ MGJ S-SERIES Manual - Page 6

OPERATOR MOUNTING CONT'D 6. Mount Chain Keeper / Keyhole Bracket Using suitable hardware mount the chain keeper approximately 4 feet above the floor, near the free hanging chain. Remove disconnect sash chain from bag and place the end through the keyhole in the the chain keeper. Remove excess links if necessary. Keyhole Bracket WARNING WARNING EMERGENCY MANUAL OPERATION CAUTION TURN OFF POWER TO THE OPERATOR BEFORE MANUALLY OPERATING YOUR DOOR. WARNING Pull sash chain and secure in bracket for manual operation of the door. This operator has a floor level disconnect chain to disconnect the door from the door operator allowing for manual operation of the door in case of emergency or power failure. 1. To disengage, pull the chain and secure in the disengaged position by slipping the end through the keyhole bracket mounted on the wall. Or if emergency egress device is used, pull handle to disengage operator from door. 2. The door may now be pushed up or pulled down manually. Release the disconnect chain to operate the door again electrically. 6