LiftMaster MH MJ (BLACK LINE) Manual - Page 11
MAINTENANCE SCHEDULE, Check at the intervals listed in the following chart., HOW TO ORDER REPAIR PARTS
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MAINTENANCE SCHEDULE Check at the intervals listed in the following chart. ITEM Drive Chain PROCEDURE Check for excessive slack. Check & adjust as required. Lubricate.* EVERY 3 MONTHS EVERY 6 MONTHS EVERY 12 MONTHS ● ✔ Sprockets Check set screw tightness ● ✔ Clutch Check & adjust as required ● ✔ Belt Check condition & tension ● ✔ Fasteners Check & tighten as required ● ✔ Manual Disconnect Check & Operate ● ✔ WARNING Bearings & Shafts Check for wear & lubricate ● WARNING ✔ ✳ Use SAE 30 Oil (Never use grease or sCilicAonUe sTprIaOy).N ✔ Repeat ALL procedures. ■ Do not lubricate motor. Motor bearings are rated for continuous operation. WARNING To avoid SERIOUS PERSONAL INJURY or DEATH from electrocution, disconnect ALL electric power BEFORE performing ANY maintenance. ■ Do not lubricate clutch or V-belt. ■ Inspect and service whenever a malfunction is observed or suspected. HOW TO ORDER REPAIR PARTS OUR LARGE SERVICE ORGANIZATION SPANS AMERICA Installation and service information is available CALL OUR TOLL FREE number: 1-800-528-2806 WHEN ORDERING REPAIR PARTS PLEASE SUPPLY THE FOLLOWING INFORMATION: PART NUMBER DESCRIPTION MODEL NUMBER ADDRESS ORDER TO: THE CHAMBERLAIN GROUP, INC. Technical Support Center 6020 S. Country Club Tucson, AZ 85706 11