Motor unit assembly parts – Sears 139.53975SRT1 User Manual
Page 38
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Motor Unit Assembly Parts
LIMIT SWITCH
ASSEMBLY
(Up)
Contact
Yellow
Wire
KEY
NO.
PART
NO.
DESCRIPTION
KEY
NO.
PART
NO.
DESCRIPTION
1
31D380
Sprocket cover
12
41A3150
Terminal block w/screws
2
41C4220A
Gear and sprocket assembly
13
41D3058
Universal replacement motor &
Complete with;
Spring washer,
bracket assembly
Thrust washer, Retaining ring,
Complete with:
Motor, worm.
Bearing piate, Roli pins (2),
bracket, bearing assembly,
Drive gear and worm gear.
RPM sensor
Heiical gear w/retainer and
14
41D328-7
Cover
gr©as6
15
41A2818
Limit switch drive & retainer
3
41A2817
Drive/worm gear kit w/grease
Roil pins (2)
16
41D3452
Limit switch assembly
4
41B4245
Line cord
17
41C4398A
RPM sensor assembly
5
41C4253
Wire harness assembly w/piug
18
41A2826
Shaft bearing kit
6
41A5021-2F Receiver logic board assembly
19
41A2822A
Interrupter cup assembly
7
41A4351
End panel w/all labels
20
41A4352
End panel
8
175B88
Light socket
NOT SHOWN
9
108D58-2
Lens
41A2825
Opener assembly hardware kit
(includes screws not designated
10
30B363
Capacitor - 1/2 HP
by a number in illustration).
11
12A373
Capacitor bracket
38