38
Motor Unit Assembly Parts
10
8
13
14
15
4
5
3
2
9
16
12
18
11
17
6
7
DN
UP
Brown
Wire
(Down)
Contact
LIMIT SWITCH ASSY.
Grey
Wire
Yellow
Wire
(Up)
Contact
Center Limit
Contact
Drive
Gear
19
1a
1a
1b
KEY PART
NO. NO.
DESCRIPTION
1
41A4208
Chain spreader - 3122EM
1A
31D380
Sprocket cover - 3112EM
2
41C4206-2 Gear and sprocket a ssembly
3122EM
41C4798-2 Gear and sprocket - 3112EM
3
41A2817
Drive/worm gear kit w/grease,
roll pins (2)
4
41B4245
Line cord
5
41A5484-7
End panel w/all labels
6
4A1344
Light socket
7
108D79
Lens
8
30B532
Capacitor - 1/2 HP
9
12A373
Capacitor bracket
10
41A3150
Terminal block w/screws
11
41D3058
Universal replacement motor &
bracket assembly
12
41A5525-21 Cover
13
81C253
Limit switch drive & retainer
14
41A5640
Limit switch assembly
15
41A2822-1
Interrupter cup assembly
16
41C4398A
RPM sensor assembly
KEY PART
NO. NO.
DESCRIPTION
17 41A5483-12BM
Receiver logic board assembly.
18
41C5497
High voltage wire harness
assembly.
41C5498
Low voltage wire harness
assembly.
19
41D181
End panel w/all labels
NOT
SHOWN
41A2826
Motor shaft bearing kit
41A2825
Opener assembly hardware kit
(includes screws not designated
by a number in illustration)
10A20
3V2032 Lithium battery
29B137
Transmitter visor clip
41A2828
Manual release rope & handle
assembly
950-315CB
Security
✚
®
Single-Button
Remote
Control
953-315CB
Security
✚
®
3-Button
Remote
Control
956-315CB
Security
✚
®
3-Button Mini
Remote
Control
114A3658 Owner’s
Manual
1A
1
Model 3112EM
Model 3122EM