Chamberlain 2255-2C 1/2 HP Garage Door Opener User Manual


 
Motor Unit Assembly Parts
34
2
10
8
13
14
15
19
4
5
3
9
16
12
18
11
17
1
6
7
DN
UP
Brown
Wire
(Down)
Contact
LIMIT SWITCH ASSY.
Grey
Wire
Yellow
Wire
(Up)
Contact
Center Limit
Contact
Drive
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 108D68 Lens
8 30B532 Capacitor - 1/2 HP
30B387 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 41A5525-1 Cover
13 41A2818 Limit switch drive & retainer
14 41D3452 Limit switch assembly
15 41A2822-1 Interrupter cup assembly
16 41C4398A RPM sensor assembly
17 41A5483-1B Receiver logic board assy.
Complete with: Logic board, end
panel w/all labels, light socket
18 41C5498 Low voltage wire harness assy.
41C5497 High voltage wire harness assy.
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)