Motor Unit Assembly Parts - Craftsman 139.53975SRT1 Owner's Manual

Motor Unit Assembly Parts

9
20
8
19
18
5
17
KEY PART
NO. NO.
1 31D380
2 41C4220A
3 41A2817
4 41B4245
5 41C4253
6 41A5021-2F Receiver logic board assembly
7 41A4351
8 175B88
9 108D58-2
10 30B363
11 12A373
1
2
3
12
3
15
16
DESCRIPTION
Sprocket cover
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
Drive/worm gear kit w/grease
Roll pins (2)
Line cord
Wire harness assembly w/plug
End panel w/all labels
Light socket
Lens
Capacitor – 1/2 HP
Capacitor bracket
4
5
6
10
11
13
14
Brown
Wire
Drive
Gear
Center Limit
Contact
KEY PART
NO. NO.
12 41A3150
13 41D3058
14 41D328-7
15 41A2818
16 41D3452
17 41C4398A
18 41A2826
19 41A2822A
20 41A4352
41A2825
38
7
9
(Down)
LIMIT SWITCH
Contact
ASSEMBLY
(Up)
Yellow
Contact
Wire
DESCRIPTION
Terminal block w/screws
Universal replacement motor &
bracket assembly
Complete with: Motor, worm,
bracket, bearing assembly,
RPM sensor
Cover
Limit switch drive & retainer
Limit switch assembly
RPM sensor assembly
Shaft bearing kit
Interrupter cup assembly
End panel
NOT SHOWN
Opener assembly hardware kit
(includes screws not designated
by a number in illustration).
8
Grey
Wire