LiftMaster MH MJ (BLACK LINE) Manual - Page 21
REPLACEMENT PARTS LIST – MODEL HMJ, Brake Kit, 230-460 Volt Models
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REPLACEMENT PARTS LIST - MODEL HMJ ITEM K1 K2 SERVICE KITS PART# K72-19975 K72-19974 DESCRIPTION Clutch Shaft Kit Complete with: Clutch Shaft, 1" Keyed Flange Bearings, Dual Sprocket 32/14, Splined Core Sprocket, E-Ring, Compression Spring, Pulley Assembly, Washers, Thrust Bearing, Retaining Ring, Splined Hub and Roll Pin. Output Shaft Kit Complete with: Output Shaft, Sprocket Assembly, Dual Sprocket 32/14, Sprocket 48B18x1" Bore, Sprocket 50B12x1" Bore, Ring, Washers, Set Screw, Roll Pin and Thin Walled Receiver. Not Shown 71-B120H* 71-B240H* 71-B575H* Brake Kit, 115 Volt Models Brake Kit, 230-460 Volt Models Brake Kit, 575 Volt Models Complete with: Brake Hub Kit, Brake Release Lever, Brake Disk, Spring Cup, Studs, Compression Springs, Brake Solenoid, Solenoid Cover, Spacers, Mounting Plate, Pressure Plate, Feather Key and Conduit. * Call for Pricing and Availablity ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 INDIVIDUAL PARTS PART# DESCRIPTION 11-19470* Clutch Shaft - J 12-19504 Keyed Flange Bearing 1" 15-19480 Dual Sprocket 32/14 15-19484 Splined Core Sprocket 18-30957 Compression Spring 75-19985* Pulley Assembly 80-19846 Splined Hub, J Disconnect 15-19478 Sprocket Assembly 15-48B18LGE Sprocket 48B18x1" 15-50B12LGH Sprocket 50B12x1" 16-5L304 Cogged Belt 30.4" K75-19978-L Frame Kit (LH) K75-19978-R Frame Kit (RH) K75-19977 J Arm Kit 17-6014 Motor Pulley See Motor Replacement Kits, page 63 Not Shown 19-48047M Roller Chain, #48x47 Pitch with Master Link 21