LiftMaster GH GT Logic 4-Repair Parts Manual
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- LiftMaster GH | GT Logic 4-Repair Parts Manual - Page 1
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 - LiftMaster GH | GT Logic 4-Repair Parts Manual - Page 2
K20-3100M-5 Motor - model T1053L4 Door Track* 10-10011M1 Frame K75-10030 Frame Spacer 1110197 Take Up Bolt K75-17034 Heavy Duty Straight Arm 19 21 K5 20 18 24 27 15 17 28 3 8 10 12 11 K4 13 25 12 4 14 26 16 23 5 5 11 K3 9 6 7 K1 2 1 K3 K2 2 * Call for Pricing and - LiftMaster GH | GT Logic 4-Repair Parts Manual - Page 3
GT1021L4 Motor - models GT1023L4, GT1043L4 Motor - model GT1053L4 Motor - models GT1511L4, GT1521L4 Motor - models GT1523L4, GT1543L4 Motor - model GT1553L4 Door Track* Take Up Bolt Heavy Duty Straight Arm K5 12 9 10 13 8 16 17 5 K6 18 K3 3 4 K1 2 1 11 K2 15 K4 7 6 * Call for Pricing and - LiftMaster GH | GT Logic 4-Repair Parts Manual - Page 4
and Sprockets (41B10x3/4" & 41B16x 3/4"). Individual Parts Door Drive Chain Kits ITEM PART# DESCRIPTION PART# DESCRIPTION 1 22-120 Brake Solenoid, 115 Volts 19-5810 2 17-6014-1 Motor Pulley 19-5812 3 10-10166 Clutch Plate 19-5814 4 11-10014 Clutch Shaft 19-5816 5 12-729 Pillow - LiftMaster GH | GT Logic 4-Repair Parts Manual - Page 5
Shaft Kit ITEM PART# DESCRIPTION C1 10-10166 Clutch Plate C2 11-10014 Clutch Shaft C3 12-10029 Bearing 3/4" I.D C4 15-41B10G1 Sprocket, 41B10x3/4" C5 16-5L300 Cogged Belt C6 17-10165 5L Motor Pulley 7" O.D. C7 18-10164 Clutch Spring (1/3 & 1/2 HP) 18-10168 Clutch Spring (3/4 & 1 HP) C8 39-10167 - LiftMaster GH | GT Logic 4-Repair Parts Manual - Page 6
Model GSD Brake Assembly Kits Individual Parts ITEM PART# DESCRIPTION B1 07-10179 Brake Hub B2 10-10187 Brake Solenoid Cover B3 10-10190 Brake Release Lever B4 10-10191 Brake Disc, Zinc Plated B5 11-10192 Spring Cup B6 11-10193 Brake Stud B7 Compression Spring (Available in complete - LiftMaster GH | GT Logic 4-Repair Parts Manual - Page 7
(3 HP) 10 10-10882 Hand Chain Guide 11 12-10883 Nyliner Bearing 12 12-10029 Bearing, 3/4" I.D. 13 18-11008 Compression Spring 14 75-10884 Chain Wheel Assembly 3 15 5 4 ITEM PART# DESCRIPTION 15 1/2 HP K20-1050C-2LP Motor - models GH5011L4, GH5021L4 K20-3050C-4P Motor - models GH5023L4 - LiftMaster GH | GT Logic 4-Repair Parts Manual - Page 8
01-35673-1C © 2010, The Chamberlain Group, Inc. All Rights Reserved
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K1
K2
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ITEM PART#
DESCRIPTION
1
13-10024
Limit Nut
2
23-10041
Limit Switch
3
K75-35627
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
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)
ITEM PART#
DESCRIPTION
K1
K72-10047
Limit Shaft Kit (Models T, APT, SD & GH)
K1
K72-10047-1
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.
K2
K72-12515-1
Limit Switch Kit
Complete with:
Limit Nut Retainer, Switch Plates, Backup
Plate, Depress Plates, Limit Switches, Standoffs, Screws and
Locknuts.
Individual Parts
Electrical Box Replacement Kits
Service Kits
Electrical Box
1-800-528-2806
www.liftmaster.com
Replacement Parts
Logic 4 Operators
Models T, GT, APT, SD, GSD and GH