Repair Parts, Opener Assembly - Chamberlain CSO Owner's Manual

Opener Assembly Parts
18
(Down) LIMIT SWITCH ASSY.
Contact
Brown
Wire
DN
Drive
Gear
Center Limit (Up)
Contact Contact
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
Repair Parts
1
3
15
18
16
17
15
14
13
Grey
Wire
UP
Yellow
Wire
2
4
7
8
9
10
12
11
KEY PART
NO. NO.
10 41D4509
11 41A4936
12 41A2818
13 41D3452
14 41C4398A
15 41C4246
16 41A2826
17 41A2822A
18 41A4252-7D Receiver logic board assembly
41A2825
33
5
6
DESCRIPTION
Replacement motor & bracket
assembly
Complete with: Motor, worm,
bracket, bearing assembly
Cover
Helical gear & retainer w/grease
Limit switch assembly
RPM sensor assembly
Wire harness assembly w/plug
Shaft bearing kit
Interruptor cup assembly
Complete with: Logic board, end
panel with all labels
NOT SHOWN
Opener assembly hardware kit
(includes screws not designated by
a number in illustration).