LiftMaster GH GT 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: T5011L4 (Operator) = K-T5011L4 (Electrical Box Kit) Service Kits ITEM PART# K1 K72-10047 K1 K72-10047-1 K2 K72-12515-1 DESCRIPTION Limit Shaft Kit (Models T, APT, SD & GH) Limit Shaft Kit (Models GT & GSD) 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 T, GT, APT, SD, GSD and GH Individual Parts ITEM PART# DESCRIPTION 1 13-10024 2 23-10041 3 K75-35627 4 21-14182 21-35057 21-35077 5 29-31244 6 29-31245 29-31229 7 K74-31243 8 K79-15016-1 9 K1A6837 10 K2A761 11 K1C3196-3 12 42-31247 13 42-10040 Limit Nut Limit Switch Cover Transformer, 115/230 Volts, 20Va Transformer, 460 Volts, 40Va Transformer, 575 Volts, 40Va Relay, 24 Vdc DPST (A & B Relay) All Operators Relay, 12 Vdc SPDT (C & D Relay) 3 Phase Only Relay, 24 Vdc SPDT (C Relay) 1 Phase Only MOV 580 Volts RPM Sensor Assembly Logic Board - L4 Coaxial Cable Antenna Terminal Block Terminal Block, Radio 6 3 5 9 10 4 7 K2 2 12 11 13 8 1 K1