Black & Decker
Electric Line Trimmer

Model # ST7700 TYPE 3 Official Black & Decker line trimmer

Here are the diagrams and repair parts for Official Black & Decker ST7700-TYPE-3 line trimmer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 16 parts  |

Lawn & Garden Equipment Screw 681914-00
#3

Main assy diagram

Lawn & garden equipment screw

Part #681914-00

The manufacturer no longer makes this part, and there's no substitute part

Blade 243805-00
#2

Main assy diagram

Blade

Part #243805-00

The manufacturer no longer makes this part, and there's no substitute part

Line Trimmer On/off Switch 383994-00
#1

Main assy diagram

Line trimmer on/off switch

Part #383994-00

The manufacturer no longer makes this part, and there's no substitute part

Housing 90534978-01
#17

Main assy diagram

Housing

Part #90534978-01

The manufacturer no longer makes this part, and there's no substitute part

Pin 243251-00
#14

Main assy diagram

Pin

Part #243251-00

The manufacturer no longer makes this part, and there's no substitute part

Spring 598936-00
#13

Main assy diagram

Spring

Part #598936-00

The manufacturer no longer makes this part, and there's no substitute part

Housing 90523140
#16

Main assy diagram

Housing

Part #90523140

The manufacturer no longer makes this part, and there's no substitute part

Lawn & Garden Equipment Screw 330019-04
#15

Main assy diagram

Lawn & garden equipment screw

Part #330019-04

The manufacturer no longer makes this part, and there's no substitute part

Line Trimmer Spool Spring 243603-00
#11

Main assy diagram

Line trimmer spool spring

Part #243603-00

The manufacturer no longer makes this part, and there's no substitute part

Motor 90534964SV
#7

Main assy diagram

Motor

Part #90534964SV

The manufacturer no longer makes this part, and there's no substitute part

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