LiftMaster 3280 3280 Manual - Page 28

CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS: Weather conditions may FORCE CONTROLS cause some minor changes in door operation requiring 9 1 9 1 some re-adjustments, 7 3 5 7 3 5 particularly during the first KG KG year of operation. Pages 23 and 24 refer to the LIMIT CONTROLS limit and force adjustments. Only a screwdriver is required. Follow the instructions carefully. Repeat the safety reverse test (Adjustment Step 3, page 25) after any adjustment of limits or force. MAINTENANCE SCHEDULE Once a Month • Manually operate door. If it is unbalanced or binding, call a trained door systems technician. • Check to be sure door opens and closes fully. Adjust limits and/or force if necessary. (See pages 23 and 24.) • Repeat the safety reverse test. Make any necessary adjustments. (See Adjustment Step 3.) Once a Year • Oil door rollers, bearings and hinges. The opener does not require additional lubrication. Do not grease the door tracks. THE REMOTE CONTROL BATTERY To prevent possible SERIOUS INJURY or DEATH: • NEVER allow small children near batteries. • If battery is swallowed, immediately notify doctor. To reduce risk of fire, explosion or chemical burn: • Replace ONLY with 3V2032 coin batteries. • Do NOT recharge, disassemble, heat above 100°C (212°F) or incinerate. The lithium battery should produce power for up to 5 years. To replace battery, use the visor clip or screwdriver blade to pry open the case as shown. Insert battery positive side up (+). Battery positive side up (+) Dispose of old battery properly. Replace the battery with only 3V2032 coin cell batteries. NOTICE: To comply with FCC and or Industry Canada (IC) rules, adjustment or modifications of this receiver and/or transmitter are prohibited, except for changing the code setting or replacing the battery. THERE ARE NO OTHER USER SERVICEABLE PARTS. Tested to Comply with FCC Standards FOR HOME OR OFFICE USE. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. 28