Chamberlain 3255-2 1/2 HP - Manual (Page 34)

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
with retainer and grease
3 41A2817 Drive/worm gear kit with grease,
roll pins (2)
4 41B4245 Line cord
5 41A5484-1 End panel with all labels
6 4A1344 Light socket
7 108D79 Lens
8 30B532 Capacitor - 1/2 HP
30B533 Capacitor - 1/3 HP
9 12A373 Capacitor bracket
10 41A3150 Terminal block with screws
11 41D3058 Universal replacement motor
and bracket assembly
Complete with: Motor, worm,
bracket, bearing assembly and
RPM sensor
KEY PART
NO. NO.
DESCRIPTION
12 41A5525-24 Cover
13 41A2818 Limit switch drive and retainer
14 41D3452 Limit switch assembly
15 41A2822-1 Interrupter cup assembly
16 41C4398A RPM sensor assembly
17 41AC050-1 Receiver logic board assy.
Complete with: Logic board
and end panel with all labels
18 41C5498 Low voltage wire harness assy.
41C5497 High voltage wire harness assy.
19 41D181 End panel with all labels
NOT SHOWN
41A2826 Motor shaft bearing kit
41A2825 Opener assembly hardware kit
(includes screws not designated
by a number in illustration)