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Motor UnitAssemblyParts
Model 53901DM
19
KEY
NO.
1
2
3
4
5
6
7
8
9
10
11
8
(Down) LIMIT SWITCH
Brown Contact ASSEMBLY
Wire _ ["rh_
Center Linlit (Up) _ Yellow
Contact Contact Wire
/
/
/
/
/
14
iiiii 12
PART
NO.
41A5615
41C4220A
41A2817
41B4245
41A5484-5
4A1344
108D77
30B532
12A373
41A3150
41D3058
DESCRIPTION
Chain Spreader
Gear and sprocket assembly
Completewith: 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
End panels w/all labels
Light socket
Lens
Capacitor- 1/2 HP
Capacitor bracket
Terminal block w/screws
Universal replacement motor
& bracket assembly
Completewith: Motor, worm,
bracket, bearing assembly, RPM
sensor
KEY PART
NO. NO.
12 41A5525-63
13 41A2818
14 41D3452
15 41A2822-1
16 41C4398A
17 41AC150-1M
18 41C5497
41C5498
19 41D179
41A2826
41A2825
DESCRIPTION
Cover
Limit switch drive & retainer
Limit switch assembly
Interrupter cup assembly
RPM sensor assembly
Receiver logic board assembly
Completewith: Logic board, end
panel w/all labels, light socket
High voltage wire harness
Low voltage wire harness
End panel w/all labels
NOT SHOWN
Motor shaft bearing kit
Opener assembly hardware kit
(includes screws not designated by
a number in illustration)
38
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