Chamberlain 3255-2M 1/2 HP Manuale Utente
34
Motor Unit Assembly Parts
2
10
8
13
14
15
19
4
5
3
9
16
12
18
11
17
1
6
7
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
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
41A5484-1 End panel w/all labels
6 4A1344 Light
socket
7 108D79 Lens
8
8
30B532
Capacitor - 1/2 HP
30B533
Capacitor - 1/3 HP
9 12A373 Capacitor
bracket
10 41A3150 Terminal
block
w/screws
11 41D3058
Universal replacement motor &
bracket assembly
Complete with: Motor, worm,
bracket, bearing assembly, RPM
sensor
KEY PART
NO. NO.
DESCRIPTION
12 41A5525-24
Cover
13
41A2818
Limit switch drive & retainer
14
41D3452
Limit switch assembly
15
41A2822-1 Interrupter cup assembly
16
41C4398A RPM sensor assembly
17 41AC050-1M
Receiver logic board.
Complete with: Logic board,
end panel w/all labels
18
41C5498
Low voltage wire harness.
41C5497
High voltage wire harness.
19
41D180-1 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)