User manual CHAMBERLAIN PD752D

[. . . ] 845 Larch Avenue Elmhurst, Illinois 60126-1196 www. chamberlain. com ® GARAGE DOOR OPENER Models PD752D 3/4 HP PD752KLD 3/4 HP For Residential Use Only Owner's Manual Please read this manual and the enclosed safety materials carefully!Fasten the manual near the garage door after installation. The door WILL NOT CLOSE unless The Protector System® is connected and properly aligned. Periodic checks of the opener are required to ensure safe operation. [. . . ] Assemble the door arm, Figure 4: · Fasten the straight and curved door arm sections together to the longest possible length (with a 2 or 3 hole overlap). · With the door closed, connect the straight door arm section to the door bracket with the 5/16"x1-1/4" clevis pin. Adjustment procedures, Figure 5: · On one-piece doors, before connecting the door arm to the trolley, the travel limits must be adjusted. Limit adjustment screws are located on the left side panel as shown on page 27. · Open door adjustment: decrease UP travel limit - Turn the UP limit adjustment screw counter-clockwise 4 turns. The trolley will travel to the fully open position. - Manually raise the door to the open position (parallel to the floor), and lift the door arm to the trolley. The arm should touch the trolley just in back of the door arm connector hole. Refer to the fully open trolley/door arm positions in the illustration. If the arm does not extend far enough, adjust the limit further. One full turn equals 3" (7. 5 cm) of trolley travel. · Closed door adjustment: decrease DOWN travel limit - Turn the DOWN limit adjustment screw clockwise 4 complete turns. Figure 5 Door Bracket Ring Fastener Lock Washers 5/16" Nuts 5/16"-18 Clevis Pin 5/16"x1-1/4" Straight Arm Bolts 5/16"-18x7/8" Curved Door Arm Figure 4 - Press the Door Control push button. The trolley will travel to the fully closed position. - Manually close the door and lift the door arm to the trolley. The arm should touch the trolley just ahead of the door arm connector hole. Refer to the fully closed trolley/door arm positions in the illustration. If the arm is behind the connector hole, adjust the limit further. One full turn equals 3" (7. 5 cm) of trolley travel. Connect the door arm to the trolley: · Close the door and join the curved arm to the connector hole in the trolley with the remaining clevis pin. It may be necessary to lift the door slightly to make the connection. · Run the opener through a complete travel cycle. [. . . ] WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE FOLLOWING INFORMATION: · PART NUMBER · PART NAME · MODEL NUMBER ADDRESS ORDERS TO: THE CHAMBERLAIN GROUP, INC. Country Club Road Tucson, Arizona 85706 SERVICE INFORMATION TOLL FREE NUMBER: OUR LARGE SERVICE ORGANIZATION SPANS AMERICA INSTALLATION AND SERVICE INFORMATION IS AS NEAR AS YOUR TELEPHONE. SIMPLY DIAL OUR TOLL FREE NUMBER: 1-800-528-9131 www. chamberlain-diy. com For professional installation, parts and service, contact your local CHAMBERLAIN® dealer. Look for him in the Yellow Pages, or call our Service number for a list of dealers in your area. 1-800-528-9131 LIFTMASTER® ONE YEAR LIMITED WARRANTY LIFETIME MOTOR LIMITED WARRANTY The Chamberlain Group, Inc. [. . . ]