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manual abstract
Additional single and multi-button remote controls can be purchased. An unlimited number of remote controls can be used with this operator. The short white wire on the back of the operator serves as an antenna for the remote controls. Do not cut off the white wire or the remote controls will not operate well. To Add a Remote Control 1 Press the opener’s LEARN button. The red LEARN light will glow. The red light will stay on for about 15 seconds. A remote must be added while the red LEARN light is still on. 2 Send a signal from a remote. The red LEARN light and the opener’s light will fl ash once indicating that the opener has accepted the remote. 3 Repeat Steps 1 & 2 for any additional remote controls. To Remove all Remote Controls 1 Press and hold the opener’s LEARN button for ten seconds or more. 2 Release the LEARN button. The red LEARN light will blink three times signaling that all of the remotes in the opener’s memory were erased. The red LEARN light will turn off, then turn on for 15 seconds. A remote control can be entered during this time using Step 2 above. Testing 1 Before testing the remote control, straighten out the opener’s white antenna wire so it points up. 2 Stand clear of the door, press the remote control’s button and verify that the opener starts. Replacing a Remote Control’s Batteries When the red light on the remote glows dimly, or fails to light at all when the remote is activated, the batteries need replacing. 1 Open the remote’s case and remove the circuit board. 2 Replace old batteries with two Type 2032 batteries. 3 Re-assemble the remote. 3 Garage Door Opener Maintenance Weather conditions may affect the door operation which could require some re-setting of the opener’s adjustments. Doors may swell and become heavier during wet periods, door hinges and rollers might bind during cold periods. To insure safe operation of the door, perform the following tests, including any additional test steps described. Every Month 1 With the door closed, pull the red release handle to disconnect the opener from the door. 2 From outside the garage, slowly open the door manually all the way, and then close it all the way. Notice if there is any binding, sticking or rubbing. The door should move smoothly in both directions. 3 Raise the garage door about halfway up. Carefully release the door and see if the door balances. It should stay in place. Close the door. . NOTE: If the garage door is unbalanced or the door travel isn’t smooth, have a qualifi ed garage door professional adjust or repair the door. 4 To reconnect the opener, fl ip the release lever up. Raise the door manually until the opener reconnects. 5 Perform the Safety Beam Test (Section 4). 6 Perform the Safety Reversal System Test as described in Steps 4-6 in Section 6. After Servicing the Opener 1 Perform the Safety Beam Test (Section 4). 2 Perform the Open and Close Limit Adjustments (Section 5). 3 Perform the entire Door Force Safety System Test (Section 6). Every 6 Months Check the belt or chain tension. • For belt-drive rails, examine the length of the tension spring in the traveler. It should be about 1” long. • For chain-drive rails, examine the spacing between the turnbuckle and the rail. The turnbuckle should be slightly above the rail. . NOTE: Too much or too little chain tension will cause excessive sprocket noise. Chain Adjustment If necessary, use the following steps to adjust the chain. 1 Hold the turnbuckle with a fl at blade screwdriver and loosen the two locknuts with a 7/16” end wrench. 2 Twist the turnbuckle to adjust the chain tension. Adjust the chain until the turnbuckle is sightly above the rail. 3 Hold the turnbuckle with a fl at blade screwdriver and tighten the two locknuts with a 7/16” end wrench. Belt Adjustment The tension spring in the traveler keeps the belt taut. The factory setting for the tension spring length is .9” long. If the tension spring is longer than 1”, adjust the belt. 1 Hold the traveler so the adjustment wheel is visible through the large slot. 2 Use a fl at blade screwdriver to turn the adjustment wheel to compress the tension spring until its length is between .9” and 1” long. Every Year Check the door hardware for lubrication needs. Lubricate door hinges, rollers and bearings according to door manufacturer’s recommended procedures. MODELS LDO33 & LDO50 BELT-DRIVE OR CHAIN-DRIVE GARAGE DOOR OPENERS HOMEOWNER’S INSTRUCTIONS For Sectional and Jamb Type Doors IMPORTANT SAFETY NOTES Please read the instructions carefully! This garage door opener is designed to provide safe and reliable service if installed and tested as described in these instructions. A garage door is the largest mechanical appliance in a residence. Care must be taken to prevent injury or death during installation and operation of the garage door and garage door opener. THE FOLLOWING FORMATS ARE USED FOR SAFETY NOTES IN THESE INSTRUCTIONS. 1 Using the Garage Door Opener Opening the Door 1 With the door in view, press the wa...
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