Motor Unit Assembly Parts - Chamberlain LiftMaster Professional Security + 1255LMC-R Owner's Manual

Motor Unit Assembly Parts

16
19
18
16
KEY PART
NO. NO.
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 grease
3 41A2817 Drive/worm gear kit w/grease
Roll pins (2)
4 41B4245 Line cord
5 143D100 End panel w/all labels
6 175B88 Light socket
7 108D36 Lens
8 30B363 Capacitor - 1/2HP
30B387 Capacitor - 1/3HP
9 12A373 Capacitor bracket
10 41A3150 Terminal block w/screws
11 41D3058 Universal replacement motor &
bracket assembly Complete with:
Motor, worm, bracket, bearing
assembly, RPM sensor
20
17
3
15
14
12
DESCRIPTION
1
2
4
3
8
9
10
11
13
(Down)
Contact
Brown
Wire
Drive
Gear
KEY PART
NO. NO.
12 41A3583-11 Cover (Model 1255)
41A3583-15 Cover (Model 1245)
13 41A2818
14 41D3452
15 41C4398A
16 41C4246
17 41A2826
18 41A2822A
19 41A5021-1F Receiver logic board assembly
20 41A5014-3
41A2825
34
6
5
LIMIT SWITCH ASSY.
Center Limit (Up)
Yellow
Contact Contact
Wire
DESCRIPTION
Limit switch drive & retainer
Limit switch assembly
RPM sensor assembly
Wire harness assembly w/plug
Shaft bearing kit
Interrupter cup assembly
Complete with: Logic board,
end panel w/all labels
End panel w/all labels
NOT SHOWN
Opener assembly hardware kit
(includes screws not designated
by a number in illustration).
7
Grey
Wire