LiftMaster H J Logic 4-Repair Parts Manual - Page 1

1-800-528-2806 www.liftmaster.com Electrical Box Electrical Box Replacement Kits To order a complete electrical box replacement kit, add a K-Prefix to the model number of your operator for example: H5011L4 (Operator) = K-H5011L4 (Electrical Box Kit) Service Kits ITEM PART# K1 K72-14130-1 K2 K72-12515-1 DESCRIPTION Limit Shaft Kit Complete with: Limit Shaft, Limit Nuts, Limit Bearings, Limit Sprocket, Interrupter Cup, Shim Washers, Compression Ring, Roll Pin and E-Rings. Limit Switch Kit Complete with: Limit Nut Retainer, Switch Plates, Backup Plate, Depress Plates, Limit Switches, Standoffs, Screws and Locknuts. Replacement Parts Logic 4 Operators Models J, H, and HJ Individual Parts ITEM PART# DESCRIPTION 1 13-10024 Limit Nut 2 23-10041 Limit Switch 3 K75-35626 Cover 4 21-14182 Transformer, 115/230 Volts, 20Va 21-35057 Transformer, 460 Volts, 40Va 21-35077 Transformer, 575 Volts, 40Va 5 29-31244 Relay, 24 Vdc DPST (A & B Relay) All Operators 6 29-31245 Relay, 12 Vdc SPDT (C & D Relay) 3 Phase Only 29-31229 Relay, 24 Vdc SPDT (C Relay) 1 Phase Only 7 K74-31243 MOV 580 Volts 8 K79-15016-1 RPM Sensor Assembly 9 K1A6837 Logic Board - L4 10 K2A761 Coaxial Cable 11 K1C3196-3 Antenna 12 42-31247 Terminal Block 13 42-10040 Terminal Block, Radio 10 9 3 7 12 6 4 5 13 2 K2 11 8 1 K1