LiftMaster GH GH-MECHANICAL Manual - Page 11

MAINTENANCE SCHEDULE Check at the intervals listed in the following chart. ITEM Drive Chain Sprockets Fasteners Manual Disconnect Bearings & Shafts PROCEDURE Check for excessive slack. Check & adjust as required. Lubricate.* Check set screw tightness Check & tighten as required Check & Operate Check for wear & lubricate EVERY 3 MONTHS EVERY 6 MONTHS EVERY 12 MONTHS z z z z z z z z z z 6 Use SAE 30 Oil (Never use grease or silicone spray). z Repeat ALL procedures. „ Do not lubricate motor. Motor bearings are rated for continuous operation. „ Inspect and service whenever a malfunction is observed or suspected. „ CAUTION: BEFORE SERVICING, ALWAYS DISCONNECT OPERATOR FROM POWER SUPPLY. HOW TO ORDER REPAIR PARTS OUR LARGE SERVICE ORGANIZATION SPANS AMERICA INSTALLATION AND SERVICE INFORMATION ARE AVAILABLE 6 DAYS A WEEK CALL OUR TOLL FREE NUMBER - 1-800-528-2806 HOURS 7:00 TO 3:30 p.m. (Mountain Std. Time) MONDAY Through SATURDAY WHEN ORDERING REPAIR PARTS PLEASE SUPPLY THE FOLLOWING INFORMATION: PART NUMBER DESCRIPTION MODEL NUMBER ADDRESS ORDER TO: THE CHAMBERLAIN GROUP, INC. Electronic Parts & Service Dept. 2301 N. Forbes Blvd., Suite 104 Tucson, AZ 85745 11