LiftMaster T T- Mechanical New style with thermal overload Manual - Page 10

EMERGENCY DISCONNECT SYSTEM WARNING 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. Header Bracket Trolley Track TO DISCONNECT DOOR FROM OPENER WARNING WARNING Emergency Disconnect Clevis Pin Emergency Disconnect Door Bracket Straight Door Arm Assembly Chain Door Arm CAUTION Pull emergency release handle straight down. Emergency disconnect will open. WARNING TO RECONNECT DOOR ARM TO TROLLEY Curved Door Door Arm NOTICE Emergency Release Handle 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. TEST THE SYSTEM Turn on power. Test all controls and safety devices to make sure they are working properly. It will be necessary to refer back to page 6 for fine adjustment of the limit switches. IMPORTANT NOTES: Do not leave operator power on unless all safety and entrapment protection devices have been tested and are working properly. WARNING DO NOT PLACE HANDS OR TOOLS IN OR NEAR THE OPERATOR WHEN THE POWER IS ON OR WHEN TESTING CONTROL OR SAFETY DEVICES. ALWAYS DISCONNECT POWER BEFORE SERVICING OR ADJUSTING THE OPERATOR. Be sure you have read and understand all Safety Instructions included in this manual. Be sure the owner or person(s) responsible for operation of the door have read and understand the Safety Instructions, know how to electrically operate the door in a safe manner, and know how to use the manual disconnect operation of the door operating system. 10