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Troybilt
Gas Line Trimmer

Model # TB3000 Official Troybilt trimmer

Here are the diagrams and repair parts for Official Troybilt TB3000 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 110 parts  |
Gasket 181705
#2

Engine parts diagram

Gasket

Part #181705

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

Inner Reel 182844
Inner reel

Part #182844

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

Bracket 181748
#47

Engine parts diagram

Bracket

Part #181748

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

Knob 180814
#28

Boom and trimmer diagram

Knob

Part #180814

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

Nut 181810
#13

Boom and trimmer diagram

Nut

Part #181810

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

Reel And Line Assembly 49U5001L063

#NI06

All parts diagram

Reel and line assembly

Part #49U5001L063

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

Lever 181755
#54

Engine parts diagram

Lever

Part #181755

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

Washer 181074
#28

Engine parts diagram

Washer

Part #181074

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

Screw 181756
#55

Engine parts diagram

Screw

Part #181756

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

Repair Kit 181703

#NI04

All parts diagram

Repair kit

Part #181703

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 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 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 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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Top 10 electric lawn and garden tools for 2023

Top 10 electric lawn and garden tools for 2023

Learn about the top 10 must-have electric lawn & garden tools for 2023…

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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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Grass line trimmer maintenance checklist

Grass line trimmer maintenance checklist

Find out how to take care of your grass line trimmer from the start of the trimming season until the end, with this help…

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