Motor Unit Assembly Parts
Models 53903DM
53905DM
6
7
5
(Down)
LIMIT SWITCH
Brown
Contact
ASSEMBLY
Wire
_
Drive _b-._
................
_t /
Wire
Center Limit
(Up)
L,'pPJ Yellow
Contact
Contact
Wire
KEY
PART
KEY
PART
NO.
NO.
DESCRIPTION
NO.
NO.
DESCRIPTION
1
41A5615
Chain Spreader
12
Cover
2
Gearand sprocket assembly
41A5525-37 Model 53903DM
Completewith: Spring washer, thrust washer,
41A5594
Model 53905DM
retaining ring, bearing plate, roll pins (2),
13
41A2818
Limit switch drive & retainer
14
Limit switch assembly
drive gear and worm gear, helical gear
w/retainer and grease
41D3452
Model 53903DM
41C4220A
Model 53903DM
41D3452-2
Model 53905DM
41A5585
Model 53905DM
15
41A2822-1
Interrupter cup
3
41A2817
Drive/worm gear kit w/grease, roll pins (2)
16
41C4398A
RPM sensor assembly
4
41 B4245
Line cord
17
Receiverlogic board assembly
5
End panelsw/all labels
Complete with: Logic board, end panel
41A5484-2
Model 53903DM
w/all labels, light socket
41A5484-3
Model 53905DM
41AC150-2M Model 53903DM
6
Light socket
41AC175
Model 53905DM
175B88
Model 53903DM
18
High voltage wire harness
4A1344
Model 53905DM
41C5497
Model 53903DM
7
108D77
Lens
41C5588
Model 53905DM
8
30B532
Capacitor- 1/2 HP
Low voltage wire harness
Model 53903DM
41C5498
Model 53903DM
9
12A373
Capacitor Bracket
41C5587
Model 53905DM
Model 53903DM ONLY
19
41D178-1
Endpanel w/all labels
10
41A3150
Terminal block w/screws
NOTSHOWN
11
Universal replacement motor
30B620
Capacitor - 56uF - 3/4 HP
& bracket assembly
Model 53905DM
Completewith: Motor, worm,
30B619
Capacitor - 40uF - 3/4 HP
bracket, bearing assembly, RPM sensor
Model 53905DM
41D3058
Model 53903DM
41A2826
Motor shaft bearing kit
41D5563
Model 53905DM
41A2825
Opener assembly hardware kit (includes screws
not designated by a number in illustration)
39