Motor Unit Assembly Parts - Craftsman 139.18489DS Owner's Manual

Motor Unit Assembly Parts

6
7
KEY PART
NO. NO.
1 41A4371
2 41A4885-5 Gear and sprocket assembly
3 41A2817
4 41B4245
5 41A5484-3 End panel
6 4A1344
7 108D77
8 30B652
9 41A3150
10 41D5563
17
16
8
5
11
DESCRIPTION
Sprocket cover
Complete with: Spring washer,
thrust washer, retaining ring, bearing
plate, roll pins (2), drive gear and
worm gear, helical gear
w/retainer and grease
Drive/worm gear kit w/grease,
roll pins (2)
Line cord
Light socket
Lens
Motor capacitor
Terminal block w/screws
Universal replacement motor &
bracket assembly
Complete with: Motor, worm,
bracket, bearing assembly, RPM
sensor
4
3
14
15
12
13
KEY PART
NO. NO.
11 41A5594
12 41A2818
13 41D3452-2
14 41A2822-1
15 41C4398A
16 41AC175-2S Receiver logic board assembly
17 41C5588
41C6661
18 41D178-1
41A2826
41A2825
38
1
2
6
18
(Down)
Brown
Contact
Wire
Drive
Gear
Center Limit (Up)
Contact Contact
DESCRIPTION
Cover
Limit switch drive & retainer
Limit switch assembly
Interrupter cup assembly
RPM sensor assembly
Complete with: Logic board, end
panel, light socket
High voltage wire harness
Low voltage wire harness
End panel
NOT SHOWN
Motor shaft bearing kit
Opener assembly hardware kit
(includes screws not designated by
a number in illustration)
7
LIMIT SWITCH
ASSEMBLY
Grey
Wire
Yellow
Wire