Chamberlain 1280 - Manuel (Page 34)

Motor Unit Assembly Parts
34
2
12
10
15
4
3
DN
UP
Brown
Wire
(Down)
Contact
LIMIT SWITCH ASSY.
Grey
Wire
Yellow
Wire
(Up)
Contact Center Limit
Contact
Drive
Gear
11
5
6
7
9
8
9
8
20
14
13
16
1
3
18 19
17
5
KEY PART
NO. NO. DESCRIPTION
1 41A4371 Belt cap retainer
2 41A4885-2 Gear and sprocket assy.,
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 41C4876 Wire harness assembly with plug
6 41A5021-5E Receiver logic board assembly
Complete with Logic board
7 41A4888 End panel w/all labels
8 4A1344 Light socket
9 108D34 Lens
10 30B363 Capacitor – 1/2 h.p.
11 12A373 Capacitor bracket
KEY PART
NO. NO. DESCRIPTION
12 41D3150 Terminal block w/screws
13 41C4842 Universal replacement motor &
bracket assembly, Complete
with: Motor, worm, bracket,
bearing assembly, RPM sensor.
14 41A3583-7 Cover
15 41A2818 Helical gear & retainer w/grease
16 41D3452 Limit switch assembly
17 41C4398A RPM sensor assembly
18 41A2826-1 Shaft bearing kit
19 41A2822A Interrupter cup assembly
20 41A4889 End panel
NOT SHOWN
41A2825 Opener assembly hardware kit
(includes screws not designated
by a number in illustration)