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