Chamberlain 2580 1/2 HP - Manual (Page 34)

DN
UP
Brown
Wire
(Down)
Contact
LIMIT SWITCH ASSY.
Grey
Wire
Yellow
Wire
(Up)
Contact Center Limit
Contact
Drive
Gear
2
4
3
7
1
12
16
7
5
8
9
18
20
19
6
11
17
15
13
14
10
KEY PART
NO. NO. DESCRIPTION
1 41A4371 Belt cap retainer
2 41A4885-5 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 41B4245-1 Line cord
5 41D5484 End panel w/all labels
6 4A1344 Light socket
7 108D68 Lens
8 30B363 Capacitor – 1/2 h.p.
9 12A373 Capacitor bracket
10 41A3150 Terminal block w/screws
11 41C4842-2 Universal replacement motor &
bracket assembly, Complete
with: Motor, worm, bracket, gear
case, bearing assembly, RPM
sensor.
KEY PART
NO. NO. DESCRIPTION
12 41A5525 Cover
13 41A2818 Limit switch drive & retainer
14 41D3452 Limit switch assembly
15 41A5532 Gear case
16 41A2822-1 Interrupter cup assembly
17 41C4398A RPM sensor assembly
18 41A5483-4 Receiver logic board assembly
Complete with logic board
19 41C5499 High voltage wire harness
41C5500 Low voltage wire harness
20 41D180-1 End panel
NOT SHOWN
41A2826 Shaft bearing kit
41A2825 Opener assembly hardware kit
(includes screws not designated
by a number in illustration)
Motor Unit Assembly Parts
34