ST4050 (Type 1) Black and Decker Trimmer - Overview

Sections of the ST4050

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Page A Diagram and Parts List for Type 1 Black and Decker Trimmer
Page A
Keep searches simple, eg. "belt" or "pump".
On-off Switch – Part Number: 383994-00
On-off Switch
PartSelect #: PS10170531
Manufacturer #: 383994-00
This is a Genuine Manufacturer Sourced replacement part used on a variety of Black and Decker Trimmers/Edgers. This item is Sold Individually. Switches are a commonly replaced part in power tools, han...
$5.95
  In Stock
Bump Cap – Part Number: 682378-02
Bump Cap
PartSelect #: PS10184171
Manufacturer #: 682378-02
This genuine Black & Decker replacement spool cap is designed to hold the spool and bumper securely inside the spool housing of your trimmer. It features two snap-in tabs that make installation and re...
$20.56
  In Stock
Receptacle – Part Number: 680131-01
Receptacle
PartSelect #: PS10184156
Manufacturer #: 680131-01
  No Longer Available
Receptacle – Part Number: 51350-04
Receptacle
PartSelect #: PS10175699
Manufacturer #: 51350-04
$5.95
  Special Order
Screw – Part Number: 330019-09
Screw
PartSelect #: PS10169698
Manufacturer #: 330019-09
Included in part number 143843-00
$5.95
  Special Order
Ring,retaining – Part Number: 037653-00
Ring,retaining
PartSelect #: PS10165201
Manufacturer #: 037653-00
Included in part number 395930-01
$5.95
  Special Order
Bearing – Part Number: 148814-00
Bearing
PartSelect #: PS10166292
Manufacturer #: 148814-00
$5.95
  Special Order
Guide,Edge – Part Number: 380095-00
Guide,Edge
PartSelect #: PS11926093
Manufacturer #: 380095-00
$5.95
  Special Order
Button,Latch – Part Number: 380296-01
Button,Latch
PartSelect #: PS11926100
Manufacturer #: 380296-01
  No Longer Available
Spring – Part Number: 387378-00
Spring
PartSelect #: PS11926190
Manufacturer #: 387378-00
  No Longer Available
Spring – Part Number: 682235-00
Spring
PartSelect #: PS10184168
Manufacturer #: 682235-00
Genuine Black and Decker replacement part, it is sold individually. The purpose of the 682235-00 spring is to keep tension between the spool and the spool housing. Overtime the spring will lose its t...
$5.95
  Special Order
Fan – Part Number: 833912-01
Fan
PartSelect #: PS10184945
Manufacturer #: 833912-01
This genuine OEM supplied replacement part is specially designed for use with Dewalt and Black and Decker lawn and garden equipment. It is the main fan which connects to the motor and it is what produ...
$7.30
  Special Order
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Questions And Answers for ST4050

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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Broken power input terminal
I found this unit by the side of the road. One power input terminal was loose. Inside it was broken. Replacement was to remove the screws, pull out the wire, and cut the wire next to the terminal. I was able to strip the wire and crimp it in the terminal. I then soldered both terminals for a good connection.
Parts Used:
Contact,term.
  • Curtis from Huntsville, AL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
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