User manual LIFT-MASTER MJ1211

[. . . ] Read them carefully. 2 O P E R AT O R S P E C I F I C AT I O N S MOTOR TYPE: . 1/2 HP Light Duty (12 Cycles /Hr. ) SPEED: . 14' X 14' ELECTRICAL TRANSFORMER: . . Single 70 Microfared CONTROL STATION: . [. . . ] Raise or lower operator until the chain is taut (not tight) as in Figure 4. Mark slotted holes to match operator frame. If drive sprocket is ABOVE door sprocket, drill hole at the top of each slot. If drive sprocket is BELOW door sprocket, drill hole at bottom of each slot. Placement of the drilled holes will allow for chain adjustment if necessary. Make sure operator output shaft is parallel to door shaft and sprockets are aligned. When in position, secure operator with 3/8" bolts or concrete anchors as required. Figure 4 Operator Provided Door Sprocket 2" x 2" x 3/16" Angle Iron Brace Installation of Operator to Standard Rolling Steel Doors. Figure 5 Installation of Operator to Sectional Door (Metal Building) REEL (OPTIONAL) Take-up reel should be installed 12" above top of door Wire (24V) COIL-CORD (OPTIONAL) Connect operator end of coil cord to junction box (not provided) fastened to the wall approximately halfway up the door opening (Figure 5). Electrician must hardwire junction box to the operator electric box in accordance with local codes. Make-up Box (Not Provided) Take-up Reel (Optional) Coil Cord (Optional) Pneumatic Air Switch: Not required or provided when electric reversing edge is used Air Hose Reversing Edge OPERATORS WITH CHAIN HOISTS 6. Place hand chain through eye bolt guides and around pocket wheel. Remove enough links so chain hangs approximately 4' above floor. Uncoil disconnect cable and fasten chain keeper to the wall of building (Figure 6). Adjust disconnect cable handpull and fender washer so chain keeper holds cable in position when cable is pulled as far as its travel permits. Figure 6 Cable Chain Keeper Handle 5 WARNING LIMIT ADJUSTMENT ADJUSTMENT WARNING WARNING NOTE: Make sure the limit nuts are positioned between the limit switch actuators before proceeding with adjustments. To increase door travel, spin nut away from limit switch. To decrease door travel, spin limit nut toward limit switch. Adjust open limit nut so that door will stop in open position with the bottom of the door even with top of door opening. Adjust close limit switch so that the limit switch is engaged as door fully seats at the floor. Close Limit Switch Actuator CLS CAUTION To avoid SERIOUS personal INJURY or DEATH from electrocution, disconnect electric power BEFORE manually moving limit nuts. Open Limit Switch OLS Actuator SLS ADLS Close Limit Nut Limit Nut Retainer Press limit nut retainer down toward frame to disengage. CLUTCH ADJUSTMENT Adjust clutch so that it is tight enough to open and close the door but will slip when the door meets an obstruction. Either loosen or tighten the clutch nut with 1/4 turn increments The clutch will require periodic inspection and adjustment. CAUTION: The adjustable friction clutch is NOT an automatic reversing device. An electric or pneumatic reversing edge can be added to bottom edge of door if desired. To prevent possible SERIOUS INJURY or DEATH, install reversing sensors when the 3-button control station is out of sight of the door or ANY other control (automatic or manual) is used. Reversing devices are recommended for ALL installations. 6 OPEN Open Limit Nut CLOSE WARNING CAUTION Adjusting Nut Spring Clutch Pad Clutch Plate Cotter Pin Washer Clutch Pulley ADJUSTMENT CONNECT REVERSING EDGE DEVICE (OPTIONAL) The operator has been pre-wired to accept connection of a reversing edge device. [. . . ] Inspect and service whenever a malfunction is observed or suspected. 14 I L L U S T R AT E D PA R T S - M T & M J S E R I E S ELECTRICAL BOX 15 REPAIR PARTS - MT & MJ SERIES ELECTRICAL BOX INDIVIDUAL PARTS ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 PART # 1D3695-1 41K4303 1B3796 133A182 180B133 41K4304 216A191 1B3734 41K4502 30B432 12A461 160B69 203B180 132A2012 1B3727 216A184 11A12 158A49 QTY. 1 1 1 2 2 1 1 1 1 1 2 1 1 1 1 2 1 1 DESCRIPTION Electrical Box Assembly Limit Bracket (ADJ) Kit Limit Shaft - Sprocket Assembly Limit Nut Limit Switch Switch Bracket Assembly (Aux. & Sensing) Washer Spring Curved Transformer Assembly Capacitor Capacitor Bracket Relay Terminal (2) Position Terminal (7) Position Label Terminal Strip - 3 Position Thrust Washer Flange Bearing, (3/8" I. D. ) Retaining Ring 3/8" 16 I L L U S T R AT E D PA R T S - M O D E L M J 1 2 1 1 17 REPAIR PARTS - MODEL MJ1211 INDIVIDUAL PARTS ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 PART # 1A3797 123D114 31B413 1A3742 81C149 41K4306 41K4502 1C3690-1 1C3687-1 1C3691-2 20B8 144B32 59D48-6 59D48-7 184B97 41K4346 1A3741 41K4301 1A3741 22A14 171A410 QTY. 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 4 1 1 1 4 Varies 2 DESCRIPTION Electrical Box Assembly (See detail) Electrical Box Cover Assembly Motor Motor Cover Chain Assembly (43 Pitches) Sprocket 13T - 1" I. D. [. . . ]