Chamberlain 3220C 1/2 HP Manuale Utente
Motor Unit Assembly Parts
DN
UP
Brown
Wire
Wire
(Down)
Contact
Contact
LIMIT SWITCH ASSY.
Grey
Wire
Wire
Yellow
Wire
Wire
(Up)
Contact
Contact
Center Limit
Contact
Contact
Drive
Gear
Gear
2
1
3
4
5
6
7
8
8a
8b
8c
9
10
11
11a
11
12
13
14
15
16
17
8d
8d
8e
8f
8g
18
34
KEY
PART
NO.
NO.
DESCRIPTION
1
31D477
Drive shaft cover
2
41B4245
Line cord
3
30B363
Capacitor – 1/2 HP
4
12A373
Capacitor bracket
5
41A3150
Terminal block w/screws
6
41D4671
Limit switch assembly
7
12D630-2
Bracket: light socket, limit switch
8
41A5388
Motor drive assy. complete with:
8a
144B41
22T Pulley
8b
144B42
28T Pulley
8c
20B17
Drive belt
8d
158A69
Retainer rings
8e
41C556
Isolator bracket spacers
8f
41A5394
Assy. bracket motor mount
8g
81B170-1
Shaft limit worm
KEY
PART
NO.
NO.
DESCRIPTION
9
41C4672
Screw drive RPM kit
10
41A4837-1
Worm gear and retainer
11
41C5417
Low voltage wire harness
11a
41C5416
High voltage wire harness
12
41A5389-1D Receiver logic board assy.
13
41A5490-5
Cover (Model 3110C)
41A5490-6
(Model 3220C)
14
41C22-1
Drive coupling hub
15
175C147
Light socket
16
108D78
Light lens
17
41A5387
Chassis with rail bracket
18
12B654
Motor support bracket