Motor unit assembly parts – Chamberlain 7220 1/2HP User Manual
Page 38
Motor Unit Assembly Parts
38
2
10
8
13
14
15
16
19
4
5
3
DN
UP
Brown
Wire
(Down)
Contact
LIMIT SWITCH
ASSEMBLY
Grey
Wire
Yellow
Wire
(Up)
Contact
Center Limit
Contact
Drive
Gear
7
9
20
16
12
7
18
6
(Series 7220,
& 4200)
11
17
(Series 4200)
(Series 7220)
(Series 7220)
6
1
3
KEY
PART
NO.
NO.
DESCRIPTION
1
31D380
Sprocket cover
2
41C4220A
Gear and sprocket assembly,
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
143D152
End panel
6
175B88
Light socket
7
108D34
Lens
8
30B363
Capacitor 1/2HP
9
12A373
Capacitor bracket
10
41A3150
Terminal block w/screws
11
41D3058
Universal replacement motor &
bracket assembly, Complete
with: motor; worm; bracket;
bearing assembly; RPM sensor
12
41A3666
Cover (Series 7220
41A3666-1
Cover (Series 4200)
KEY
PART
NO.
NO.
DESCRIPTION
13
41A2818
Helical gear & retainer w/grease
14
41D3452
Limit switch assembly
15
41C4398A
RPM sensor assembly
16
41C4246
Wire harness assembly w/plug
17
41A2826
Shaft bearing kit
18
41A2822A
Interrupter cup assy.
19
41A5021-F
Receiver logic board assembly,
(Series 7220)
41A5021-1F
Receiver logic board assembly,
(Series 4200)
Complete with: Logic board;
end panel w/all labels
20
41A3673
End panel w/all labels
(Series 7220)
41AA3712-1
End panel w/all labels
(Series 4200)
Not shown
41A2825
Opener assembly hardware kit
(includes screws not designated
by a number in illustration).