User manual LIFT-MASTER 2500D

[. . . ] 845 Larch Avenue Elmhurst, Illinois 60126-1196 www. liftmaster. com ® ® GARAGE DOOR OPENER Model 2500D For Residential Use Only N w!e See P 35 age for O y sor ces c al A ble w ion vaila Ne pt A he t 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. [. . . ] A slight backward slant will cause unnecessary bucking and/or jerking operation as the door is being opened or closed from the fully open position. 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 Inner Trolley Outer Trolley Door Arm Connector Hole Door Arm Emergency Release Handle Closed Door Inner Trolley Outer Trolley Correct Angle Door Arm Open Door Door with Backward Slant (Incorrect) 23 ADJUSTMENT STEP 1 Program the Travel Limits Travel limits regulate the points at which the door will stop when moving up or down. Follow the steps below to set the limits. WARNING Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. · Incorrect adjustment of garage door travel limits will interfere with proper operation of safety reversal system. · NEVER use force adjustments to compensate for a binding or sticking garage door. · If one control (force or travel limits) is adjusted, the other control may also need adjustment. · After ANY adjustments are made, the safety reversal system MUST be tested. Door MUST reverse on contact with 1-1/2" high object (or 2x4 laid flat) on floor. CAUTION Figure 1 Black Button Indicator Light WARNING CAUTION Antenna Orange Button To program the travel limits: 1. Press and hold the black button until the yellow indicator light starts flashing slowly then release. Push and hold the black button until the door reaches the desired UP (open) position (Figure 2). Adjust the position of the door by using the black and orange buttons. Black moves the door UP (open) and orange moves the door DOWN (close). Check to be sure the door opens high enough for your vehicle. NOTE: Refer to previous page for correct door position for one-piece door. Push the remote control or door control (Figure 3). This sets the UP (open) limit and begins closing the door. Press either the black or orange button before the door hits the floor. Adjust the desired DOWN (close) limit position using the black and orange buttons (Figure 4). Check to be sure the door is fully closed without applying excessive pressure on the rail (rail should not bow upwards and the belt should not sag or droop below the rail). Push the remote control or door control (Figure 3). This sets the DOWN (close) limit and begins opening the door. NOTE: If neither the black or the orange button is pressed, the door will reverse off the floor and the DOWN travel limit will be set automatically. Figure 3 or To prevent damage to vehicles, be sure fully open door provides adequate clearance. Figure 2 Push and hold until the door is at desired UP position BLACK ORANGE Figure 4 BLACK ORANGE Push either button to stop door at desired DOWN position 4. [. . . ] SIMPLY DIAL OUR TOLL FREE NUMBER: HOW TO ORDER REPAIR PARTS Selling prices will be furnished on request or parts will be shipped at prevailing prices and you will be billed accordingly. 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: 1-800-528-2817 HOURS: (Central Standard Time) 6:00 A. M. - Sunday www. liftmaster. com For professional installation, parts and service, contact your local LIFTMASTER/CHAMBERLAIN dealer. [. . . ]