Craftsman 1/2 HP GARAGE DOOR OPENER 139.53978SRT - Manual (Page 37)

Repair Parts
Opener Assembly Parts
Drive
Gear
Center Limit
Contact
(Up)
Contact
KEY PART
NO. NO.
1 31D380
2 41C4220A
4
5
6
7
8
9
10
41A2817
41B4245
41A4352
175B88
108D58-2
30B363
12A373
41A31S0
DESCRtPTION
Sprocket cover
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
Drive/wotm gear kit w/grease
Roll pins (2)
Line cord
End panel
Light socket
Lens
Capacitor - V2HP
Capacitor bracket
Terminal block w/screws
KEY PART
NO. NO.
11
12
13
14
15
16
17
18
19
20
DESCRIPTION
41D3058 Universal replacement motor &
bracket assembly
Complete with: Motor, worm,
bracket, bearing assembly,
RPM sensor
41D0328-4 Cover
41A2818 Helical gear & retainer w/grease
41D3452 Limit switch assembly
41C4398A RPM sensor assembly
41C4246 Wire harness assembly w/plug
41A2826 Shaft bearing kit
41A2822A Interrupter cup assembly
41A5021-2E Receiver logic board assembly
Complete with:
Logic board, End panel w/all labels
41A3691 End panel -
NOT SHOWN
41A2825 Opener assembly hardware kit
(includes screws not designated by
a number in illustration).
37