Chamberlain LiftMaster Security+ 1256R - Motor Unit Assembly Parts

Motor Unit Assembly Parts
2 _20
IA
I
16 19
18
17
16 15
14 _
11
9
-_6 7
(Down). LIMIT SWITCH ASSY.
Contact _
Brown _t _ .....
Drive
Gear
Center Limit (Up) _ Yellow
Contact Contact Wire
KEY
NO.
1
1A
2
2A
4
5
6
7
8
9
10
PART KEY PART
NO. DESCRIPTION NO. NO. DESCRIPTION
41A4208 Chain spreader w/screws 11 41D3058
(1256R, 1246R)
31D380 Sprocket cover (all other models)
4104206A Gear and sprocket assy.
(1256R, 1246R) 12 41A3583-11
4104220A Gear and sprocket assy. (All other 41A3583-15
models) Complete with: 41A3583-16
Spring washer, Thrust washer, 13 41A2818
Retaining ring, Bearing plate, Roll 14 41 D3452
pins (2), Drive gear and worm gear, 15 4104398A
Helical gear w/retainer and grease 16 4104246
41A2817 Drive/worm gear kit w/grease, 17 41A2826
Roll pins (2) 18 41A2822A
41B4245 Line cord
19 41A5021-1G
143D100 End panel w/all labels
175B88 Light socket
108D36 Lens (All models except 1240R) 20 41A5014-3
30B363 Capacitor- 1/2HP
30B387 Capacitor- 1/3HP
30B366 Capacitor- 1/4HP
12A373 Capacitor bracket
41A3150 Terminal block w/screws
41A2825
Universal replacement motor &
bracket assy. Complete with:
Motor, worm, bracket, bearing
assembly, RPM sensor.
Cover (1256R, 1255R)
Cover (1246R, 1245R)
Cover (1240R)
Helical gear & retainer w/grease
Limit switch asembty
RPM sensor assembly
Wire harness assy. w/plug
Shaft bearing kit
Interrupter cup assy.
Receiver logic board assy.
Complete with: Logic board,
End panel w/all labels, Light socket
End panel w/all labels
NOT SHOWN
Opener assy. hardware kit (includes
screws not designated by a number
in illustration).
38