Chamberlain M3100M-1/2HP User Manual

Motor Unit Assembly Parts
34
1
2
11
9
14
15
16
17
20
5
4
6
3
DN
UP
Brown
Wire
(Down)
Contact
LIMIT SWITCH ASSY.
Grey
Wire
Yellow
Wire
(Up)
Contact
Center Limit
Contact
Drive
Gear
8
10
21
17
13
7
8
(M3100)
19
7
(M3100)
(M350)
(M3100)
(M350)
8
12
18
(M3100)
3
KEY PART
NO. NO. DESCRIPTION
1 31D380 Sprocket cover
2 41C4220A Gear and sprocket assembly
Complete with: Spring washer,
Thrust washer, Retaining ring,
Bearing plate, Roll pins (2),
Drive gear and worm gear,
Helical gear w/retainer and
grease
3 41A2817 Drive/worm gear kit w/grease,
Roll pins (2)
4 41B4245 Line cord
5 143D100 End panel (M350M)
6 41A2916 End panels w/all labels
(M3100M)
7 175B88 Light socket
8 108D34 Lens (M3100M)
108D36 Lens (M350M)
9 30B532 Capacitor - 1/2 HP
30B533 Capacitor - 1/3 HP
10 12A373 Capacitor bracket
11 41A3150 Terminal block w/screws
12 41D3058 Universal replacement motor
&bracket assembly. Complete
with: Motor, worm, bracket,
bearing assembly, RPM sensor
KEY PART
NO. NO. DESCRIPTION
13 41A3583-19 Cover (M3100M)
41A3583-20 Cover (M350M)
14 41A2818 Helical gear & retainer
w/grease
15 41D3452 Limit switch assembly
16 41C4398A RPM sensor assembly
17 41C4246 Wire harness assy. w/plug
18 41A2826 Shaft bearing kit
19 41A2822A Interrupter cup assembly
20 41A5021-M-315 Receiver logic board
(M3100M) Complete with:
Logic board. End panel w/
all labels, Light socket
41A5021-1M-315 Receiver logic board
(M350M)
21 41A3673 End panel w/all labels
(M3100M)
41A3712 End panel w/all labels
(M350M)
NOT SHOWN
41A2825 Opener assembly
hardware kit (includes
screws not designated by
a number in illustration).
(M3100M)
(M3100M)
(M3100M)
(M3100M)
(M350M)
(M350M)

Chamberlain M3100M-1/2HP Specifications

General

Brand	Chamberlain
Model	M3100M-1/2HP
Category	Garage Door Opener
Language	English