Chamberlain WHISPER DRIVE 248739 - Manual (Page 38)

Motor Unit Assembly Parts
38
DN
UP
Brown
Wire
(Down)
Contact LIMIT SWITCH
ASSEMBLY
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 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 41A5484-10 End panels w/all labels
6 4A1344 Light socket
7 108D79 Lens
8 30B532 Capacitor - 1/2 HP
9 12A373 Capacitor bracket
10 41A3150 Terminal block w/screws
11 41A4842 Universal replacement motor &
bracket assembly.
Complete with: Motor, worm,
bracket, bearing assembly, RPM
sensor
KEY PART
NO. NO. DESCRIPTION
12 41A5525-4 Cover
13 41A2818 Limit switch drive & retainer
14 41D3452 Limit switch assembly
15 41A2822-1 Interrupter cup
16 41C4398A RPM sensor assembly
17 41AB050 Receiver logic board
assembly. Complete with:
Logic board, end panel w/all
labels, light socket
18 41C5499 High voltage wire harness
41C5500 Low voltage wire harness
19 41D180-1 End panel w/all labels
NOT SHOWN
41A2826-1 Motor shaft bearing kit
41A2825 Opener assembly hardware
kit (includes screws not
designated by a number in
illustration)