LiftMaster SW490 SW490 GL BOARD Manual - Page 30
Operator Maintenance, To reduce the risk of SEVERE INJURY or DEATH
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OPERATOR MAINTENANCE ING IMPORTANT WSAAFRENTINYGINSTRUCTIONS ON WARNING To reduce the risk of SEVERE INJURY or DEATH: 1. READ AND FOLLOW ALL INSTRUCTIONS. 6. Keep gates properly maintained. Read the owner's 2. NEVER let children operate or play with gate controls. Keep manual. Have a qualified service person make repairs to the remote control away from children. gate hardware. 3. ALWAYS keep people and objects away from the gate. NO 7. The entrance is for vehicles ONLY. Pedestrians MUST use ONE SHOULD CROSS THE PATH OF THE MOVING GATE. separate entrance. 4. Test the gate operator monthly. The gate MUST reverse on 8. Disconnect ALL power BEFORE performing ANY contact with a rigid object or stop when an object activates maintenance. the non-contact sensors. After adjusting the force or the 9. ALL maintenance MUST be performed by a LiftMaster limit of travel, retest the gate operator. Failure to adjust and professional. retest the gate operator SEMENTINJURY or DEATH. properly can increase theArisVk oEf RTI1S0.SSEAMVEETNHTESE INSTRUCTIONS. 5. Use the emergency release only when the gate is not moving. ON AVERTISSEMENT DESCRIPTION TASK CHECK AT LEAST ONCE EVERY 3 MONTHS 6 MONTHS 12 MONTHS RPM Sensor (Hall Effect) Check for proper adjustment X X External Entrapment Check for proper operation X X Protection Systems Gate Caution Signs Make sure they are present X X Manual Disconnect Check and operate X X Drive Chain Check for excessive slack and lubricate X X Sprockets and Pulleys Check for excessive slack and lubricate X X Gate Inspect for wear or damage X X Accessories Check all for proper operation X X Electrical Inspect all wire connections X X ENCIAFrame Bolts Total Unit ADVERTENCIA Check for tightness Inspect for wear or damage X X X X CIÓN ADVERTENCIA NOTES 1. Severe or high cycle usage will require more frequent maintenance checks. 2. Inspection and service should always be performed anytime a malfunction is observed or suspected. 3. Limit switches may have to be reset after any major drive chain adjustments. 4 If lubricating chain, use only a proper chain lube spray or a lightweight motor oil. Never use grease or silicone spray. 5. When servicing, please do some "house cleaning" of the operator and the area around the operator. Pick up any debris in the area. Clean the operator as needed. 6. It is suggested that while at the site voltage readings be taken at the operator. Using a Digital Voltmeter, verify that the incoming voltage to the operator it is within ten percent of the operators rating. 30