Motor unit assembly parts – Chamberlain 248739 User Manual
Page 40
40
KEY PART
NO. NO.
DESCRIPTION
1
41A4371
Belt cap retainer
2
41A4885-5
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 41B4245
Line
cord
4
41A5484-10
End panels w/all labels
5 4A1344
Light
socket
6 108D79
Lens
7
30B532
Capacitor - 1/2 HP
8 12A373
Capacitor
bracket
9
41A3150
Terminal block w/screws
10
41A4842
Universal replacement motor
& bracket assembly.
Complete with: Motor, worm,
bracket, bearing assembly,
RPM sensor
KEY PART
NO. NO.
DESCRIPTION
11 41A5525-4
Cover
12
41A2818
Limit switch drive & retainer
13
41D3452
Limit switch assembly
14 41A2822-1
Interrupter
cup
15
41C4398A
RPM sensor assembly
16
41AB050
Receiver logic board
assembly. Complete with:
Logic board, end panel w/all
labels, light socket
17
41C5499
High voltage wire harness
41C5500
Low voltage wire harness
18
41D180-1
End panel w/all labels
NOT
SHOWN
41A2826-1
Motor shaft bearing kit
41A2825
Opener assembly hardware
kit (includes screws not
designated by a number in
illustration)
Motor Unit Assembly Parts
1
2
3
4
5
6
7
8
9
13
10
14
11
15
17
12
16
18
6
LIMIT SWITCH
ASSEMBLY
Center Limit
Contact
Grey Wire
Drive
Gear
Yellow Wire
Brown
Wire
(Down) Contact
(Up)
Contact