LiftMaster MJ MGJ User's Guide Manual - Page 6

M A N U A L D I S C O N N E C T ( M O D E L S M J / MWGAJ R&NMINHGS ) MODEL MJ/MGJ This operator has a floor level disconnect chain to disconnect the door from the door operator. 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. 3. Release the disconnect chain or reset the emergency egress device to operate the door again electrically. Keyhole Bracket CAUTION To prevent possible SERIOUS INJURY from a moving chain, DISCONNECT electric power to the operator BEFORE manually operating your door. MODEL MHS This operator includes two methods of manual operation: 1. A disconnect sash chain for push-up/pull-down operation. This chain can be found on the hoist side of the operator. See Manual Disconnect - Model MJ/MGJ for instructions. 2. A hoist engagement sash chain for manual hoist operation. This chain can be found on the clutch side of the operator. See Manual Disconnect - Model MH for instructions. AVERTISSEMENT When operator is disconnected by the manual operation chain, hoist and electrical operation will not function. ATTENTION Chain Retaining Bracket (with pad locking provisions) Hoist Chain Manual Disconnect for Models MJ and MGJ Electrical Interlock with Hoist Chain (when present) for Model MHS ADVERTENCIA PRECAUCIÓN 6