Sears 139.53970SRT Manuale Utente
Motor Unit Assembly Parts
38
1
2
10
8
11
13
14
15
16
19
4
3
DN
UP
Brown
Wire
Wire
(Down)
Contact
Contact
LIMIT SWITCH
ASSEMBLY
ASSEMBLY
Grey
Wire
Wire
Yellow
Wire
Wire
(Up)
Contact
Contact
Center Limit
Contact
Contact
Drive
Gear
Gear
9
20
16
7
5
6
12
17
18
3
KEY
PART
NO.
NO.
DESCRIPTION
1
31D380
Sprocket cover
2
41C4220A
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
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)
Roll pins (2)
4
41B4245
Line cord
5
41A4352
End panel w/all labels
6
175B88
Light socket
7
108D58-2
Lens
8
30B363
Capacitor – 1/2 HP
9
12A373
Capacitor bracket
10
41A3150
Terminal block w/screws
KEY
PART
NO.
NO.
DESCRIPTION
11
41D3058
Universal replacement motor &
bracket assembly
Complete with: Motor, worm,
bracket, bearing assembly,
RPM sensor
bracket assembly
Complete with: Motor, worm,
bracket, bearing assembly,
RPM sensor
12
41D0328-4
Cover
13
41A2818
Helical gear & retainer w/grease
14
41D3452
Limit switch assembly
15
41C4398A
RPM sensor assembly
16
41C4246
Wire harness assembly w/plug
17
41A2826
Shaft bearing kit
18
41A2822A
Interrupter cup assembly
19
41A4315-7E Receiver logic board assembly
20
41A3691
End panel
NOT SHOWN
41A2825
Opener assembly hardware kit
(includes screws not designated
by a number in illustration).
(includes screws not designated
by a number in illustration).