Chamberlain WHISPER DRIVE WD912K - Manual (Page 38)

Motor Unit Assembly Parts
38
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
15
7
5
8
9
17
19
18
6
10
11
16
13 14
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 Line cord
5 41A5484 End panel w/all labels
6 4A1344 Light socket
7 108D68 Lens
8 30B363 Capacitor – 1/2 HP
9 12A373 Capacitor bracket
10 41A3150 Terminal block w/screws
KEY PART
NO. NO. DESCRIPTION
11 41C4842 Universal replacement motor &
bracket assembly, Complete
with: Motor, worm, bracket,
bearing assembly, RPM sensor
12 41A5525-4 Cover
13 41A2818 Limit switch drive & retainer
14 41D3452 Limit switch assembly
15 41A2822-1 Interrupter cup assembly
16 41C4398A RPM sensor assembly
17 41A5483-4B Receiver logic board assembly
Complete with endpanel
18 41C5499 High voltage wire harness
41C5500 Low voltage wire harness
19 41D180-1 End panel
NOT SHOWN
41A2826-1 Shaft bearing kit
41A2825 Opener assembly hardware kit
(includes screws not designated
by a number in illustration)