Chamberlain LiftMaster Professional Security+ 2580C 1/2 HP Manuel D'instructions page 34

Motor Unit Assembly Parts
7
(Down)
LIMIT SWITCH ASSY.
Contact
Brown
Wire
Drive
Gear
Center Limit (Up)
Contact Contact
KEY PART
NO. NO.
1 41A4371
2 41A4885-5
3 41A2817
4 41B4245-1
5 41D5484
6 4A1344
7 108D68
8 30B363
9 12A373
10 41A3150
11 41C4842-2
19
20
8
18
9
15
Grey
Wire
Yellow
Wire
DESCRIPTION
Belt cap retainer
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
Drive/worm gear kit w/grease,
roll pins (2)
Line cord
End panel w/all labels
Light socket
Lens
Capacitor – 1/2 h.p.
Capacitor bracket
Terminal block w/screws
Universal replacement motor &
bracket assembly, Complete
with: Motor, worm, bracket, gear
case, bearing assembly, RPM
sensor.
4
16
10
17
11
13
12
KEY PART
NO. NO.
12 41A5525
13 41A2818
14 41D3452
15 41A5532
16 41A2822-1
17 41C4398A
18 41A5483-4
19 41C5499
41C5500
20 41D180-1
41A2826
41A2825
34
1
2
3
7
5
6
14
DESCRIPTION
Cover
Limit switch drive & retainer
Limit switch assembly
Gear case
Interrupter cup assembly
RPM sensor assembly
Receiver logic board assembly
Complete with logic board
High voltage wire harness
Low voltage wire harness
End panel
NOT SHOWN
Shaft bearing kit
Opener assembly hardware kit
(includes screws not designated
by a number in illustration)