LiftMaster LGJ Light-Duty Gear-Reduced Jackshaft Operator for Rolling Grilles and Shutters - Manual (Page 5)

Below are replacement kits available for your operator. For replacement of electrical box, motor or brake
components be sure to match model number of your unit to kit number below to ensure proper voltage
requirements. Optional modifications and/or accessories included with your operator may add or remove certain
components from these lists. Please consult a parts and service representative regarding availability of individual
components of kits specified below. Refer to page 10 for all repair part ordering information.
20 5
REPLACEMENT PART KITS MGJ
NOTES:
1) Reversing Contactor (03-11112), Used only on three
phase operators. Single phase operators use relays.
2) Capacitor (29-10338), Capacitor Clamp (10-11421)
and Resistor (29-2) used only on single phase
operators.
Complete Electrical Box Replacement Kits
K-MGJ5011L Model MGJ5011L
K-MGJ5023L Model MGJ5023L
K-MGJ5025L Model MGJ5025L
K-MGJ5038L Model MGJ5038L
K-MGJ5043L Model MGJ5043L
K-MGJ5011R Model MGJ5011R
K-MGJ5023R Model MGJ5023R
K-MGJ5025R Model MGJ5025R
K-MGJ5038R Model MGJ5038R
K-MGJ5043R Model MGJ5043R
Electrical Box Sub-Assemblies
K72-12565 MGJ Limit Shaft Assembly
K75-12566 MGJ Limit Switch Assembly
COMPLETE ELECTRICAL BOX KITS
P/N
03-11112
10-11403
10-11420
10-11421
(See Var. Comp.)
24-24-1
29-10338
29-2
42-10040
42-110
11-11373
12-10458
13-10024
15-48B07AXX
80-10026
85-FW-38
86-RP04-012
87-E-038
10-11419
18-10036
23-10041
31-13062
82-PX06-16
82-PX06-19
84-DT-06
84-LH-06
Item
1
2
3
4
5
6
7
8
9
10
L1
L2
L3
L4
L5
L6
L7
L8
S1
S2
S3
S4
S5
S6
S7
S8
Qty
1
1
1
1
1
2
1
1
1
1
1
2
2
1
1
2
1
1
1
2
4
8
2
8
4
2
Description
Reversing Contactor (See Notes)
Electrical Box Cover
Electrical Box
Capacitor Clamp (See Notes)
Transformer
24V DPDT Relay
Capacitor, 7MFD (See Notes)
Resistor, 20 Ohm
Terminal Block Assy, 3 Lug
10 Position Terminal Block
MGJ Limit Shaft
3/8” Bearing, Plastic Flange
Limit Nut
Sprocket, 48B07
Washer, Shim 3/8” I.D. x .01
Flatwasher, 3/8”
Roll Pin, 1/8” Dia. x 3/4” Long
E Ring, 3/8”
Depress Plate
Spring, Depress Plate
SPDT Limit Switch
Spacer, .115” ID x 5/8” Long
Screw, #6-32 x 1” Pan HD PH
Screw, #6-32 x 1-3/8” Pan HD PH
Nut, #6-32 Double Tinnerman
Locknut #6-32
K72-12565 LIMIT SHAFT ASSEMBLY KIT
Item
L1
L2
L3
L4
L5
L6
L7
L8
Description
MGJ Limit Shaft
3/8” Bearing, Plastic Flange
Limit Nut
Sprocket, 48B07
Washer, Shim 3/8” I.D. x .01
Flatwasher, 3/8”
Roll Pin, 1/8” Dia. x 3/4” Long
E Ring, 3/8” Qty
1
2
2
1
1
2
1
1
K75-12566 LIMIT SWITCH ASSEMBLY KIT
P/N
11-11373
12-10458
13-10024
15-48B07AXX
80-10026
85-FW-38
86-RP04-012
87-E-038
Item
S1
S2
S3
S4
S5
S6
S7
S8
Description
Depress Plate
Spring, Depress Plate
SPDT Limit Switch
Spacer, .115” ID x 5/8” Long
Screw, #6-32 x 1” Pan HD PH
Screw, #4-40 x 1-1/2” Pan HD PH
Nut, #6-32 Double Tinnerman
Locknut #6-32 Qty
1
2
4
8
2
8
4
2
P/N
10-11419
18-10036
23-10041
31-13062
82-PX06-16
82-PX04-20
84-DT-06
84-LH-06
VARIABLE COMPONENT KITS
P/N
21-5115
21-5230
21-5460
Description
Transformer, 115V
Transformer, 230V
Transformer, 460V
MGJ501
1
MGJ5023 MGJ5043 MGJ5025 MGJ5038
Item
5
FIGURE 3
LABEL
SILK
SCREEN
HOUR GLASS
CABLE SLEEVE
RELEASE
CABLE
SUPPORT
BRACKET
SLOT
SASH CHAIN
KEY RING
FIGURE 2
Disconnect Cable Re-routed for Left Hand Mounting
Motor Kits
K20-1050C1M Model MGJ5011
K20-3050C4M Models MGJ5023,MGJ5038,MGJ5043
K20-5150C6M Model MGJ5025
Disconnect Assembly Kit
K75-12567 Model MGJ Operators