Chamberlain CSO, Owner'S Manual

Page: 33 / 36

Repair Parts
Opener Assembly Parts
1
9
7
12
13
14
15
18
4
8
11
17
10
16
3
5
6
18
15
2
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 41D4478 Rail support bracket assembly kit
2 144B18 Pulley (Chain)
3 41C4470 Gear and sprocket assy.
Complete with:
Spring washer
Thrust washer
Retaining washer
Bearing plate
Roll pins (2)
Drive gear and worm gear
Helical gear w/retainer and grease
Sprocket shaft plate with screws
4 41A2817 Drive/worm gear kit w/grease
Roll pins (2)
5 143D100 Front end panel
6 175B88M Light socket
7 30B432 Capacitor
8 12A461 Capacitor bracket
9 41A3150 Terminal block with screws
KEY PART
NO. NO. DESCRIPTION
10 41D4509 Replacement motor & bracket
assembly
Complete with: Motor, worm,
bracket, bearing assembly
11 41A4936 Cover
12 41A2818 Helical gear & retainer w/grease
13 41D3452 Limit switch assembly
14 41C4398A RPM sensor assembly
15 41C4246 Wire harness assembly w/plug
16 41A2826 Shaft bearing kit
17 41A2822A Interruptor cup assembly
18 41A4252-7D Receiver logic board assembly
Complete with: Logic board, end
panel with all labels
NOT SHOWN
41A2825 Opener assembly hardware kit
(includes screws not designated by
a number in illustration).
33