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Swisher
Gas Line Trimmer

Model # ST50022STDQ Official Swisher high wheel trimmer

Here are the diagrams and repair parts for Official Swisher ST50022STDQ high wheel trimmer, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 68 parts  |
Knob - Yello 2079
#17

Trimmer head diagram

Knob - yello

Part #2079

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

Trimmer Spinner Disc Weldment 2021
#9

Trimmer head diagram

Trimmer spinner disc weldment

Part #2021

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

Shield 2027
#8

Trim-n-mow diagram

Shield

Part #2027

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

Head Weldment 2110
#13

Trimmer head diagram

Head weldment

Part #2110

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

Lawn & Garden Equipment Washer NB149
#3

Trimmer head diagram

Lawn & garden equipment washer

Part #NB149

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

Line Trimmer Engine Pulley 2065
Line trimmer engine pulley

Part #2065

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

Pivot Plate Weldment 2073
#10

Deluxe diagram

Pivot plate weldment

Part #2073

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

Keys For Key KSK

#NI08

All parts diagram

Keys for key

Part #KSK

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

Sleeve Bearing 2023
#14

Trimmer head diagram

Sleeve bearing

Part #2023

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

Head Weldment SUBSTD-A
#6

Trimmer head diagram

Head weldment

Part #SUBSTD-A

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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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Why does my gas line trimmer run rough?

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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Why won't my gas line trimmer start?

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

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Why does my gas line trimmer leak gas?

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

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Repair guides for gas line trimmers

These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

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How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

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Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

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Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

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Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas line trimmers

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Solving 3 common problems with line trimmer cutting lines

Solving 3 common problems with line trimmer cutting lines

Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…

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How to replace a line trimmer fuel line video

How to replace a line trimmer fuel line video

Follow the steps in this video to replace a leaking fuel line in a line trimmer.…

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