LiftMaster T T MECHANICAL Manual - Page 11

BRAKE ADJUSTMENT A solenoid brake is standard on 3/4 and 1 horsepower models, and is optional on 1/3 and 1/2 horsepower models. The brake is adjusted at the factory and should not need additional adjustment for the the life of the friction pad. Replace friction pads when necessary. Refer to the illustration for identification of components for the solenoid type brake system. Solenoid Brake System Friction Pads Solenoid Release Lever Plate Assembly MAINTENANCE SCHEDULE Check at the intervals listed in the following chart. ITEM Drive Chain Sprockets Clutch Belt Fasteners Manual Disconnect Bearings & Shafts PROCEDURE Check for excessive slack. Check & adjust as required. Lubricate.* Check set screw tightness Check & adjust as required Check condition & tension Check & tighten as required Check & Operate Check for wear & lubricate EVERY 3 MONTHS EVERY 6 MONTHS EVERY 12 MONTHS q ✔ q ✔ q ✔ q ✔ q ✔ q ✔ q ✔ ✳ Use SAE 30 Oil (Never use grease or silicone spray). ✔ Repeat ALL procedures. s Do not lubricate motor. Motor bearings are rated for continuous operation. s Do not lubricate clutch or V-belt. s Inspect and service whenever a malfunction is observed or suspected. s 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 11 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