LiftMaster GH GH LOGIC VERSION 2 Manual - Page 6

7. Install Hand Chain 8. Mount Chain Keeper / Keyhole Bracket Place hand chain around hand chain wheel. Be Using suitable hardware mount the chain keeper sure to pass it through both openings in the chain approximately 4 feet above the floor, near the free guide. Remove enough links so chain hangs approxi- hanging chain. Remove disconnect sash chain mately two feet above the floor from bag and place the end through the keyhole in WARNING the the chain keeper. Remove excess links if nec- W essary. EMERGENCY MANUAL OPERATION This operator has provisions for manually operating the door in case of emergency or power failure. Refer to the appropriate instructions below for your model operator. Model GH These operators are equipped with a manual hoist. An electrical interlock will disable the electrical controls when the hoist is used. CAUTION TURN OFF POWER TO THE OPERATOR BEFORE MANUALLY OPERATING YOUR DOOR. To operate the hoist: 1. Pull the disconnect chain (small chain) to engage the hoist mechanism. The disconnect chain may be locked in position by slipping the end through the keyhole of the chain keeper mounted on the wall. Chain Keeper (with pad locking provisions) 2. Operate the door in the desired direction by pulling on one side or the other of the continuous loop hoist chain (large chain). 3. The disconnect chain must be released from the chain keeper before the door will operate again electrically. Electrical Interlock with Hoist for Models H and HJ ENTRAPMENT PROTECTION ACCESSORIES (OPTIONAL) REVERSING DEVICE (OPTIONAL) WARNING IF CONTROL STATION CANNOT BE INSTALLED IN THE LINE OF SIGHT WITH THE DOOR, OR IF ANY DEVICE OTHER THAN THE CONTROL STATION IS USED TO ACTIVATE THE DOOR, A REVERSING DEVICE MUST BE INSTALLED ON THE BOTTOM OF THE DOOR. FAILURE TO INSTALL A REVERSING DEVICE UNDER THESE CIRCUMSTANCES MAY RESULT IN SERIOUS PERSONAL INJURY OR DEATH. CAUTION WARNING WARNING 6