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Homelite
Gas Line Trimmer

Model # UT20712 Official Homelite gas line trimmer

Here are the diagrams and repair parts for Official Homelite UT20712 gas 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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ALL PARTS
Showing 10 of 174 parts  |
Screw 880841
#9

Engine internal diagram

Screw

Part #880841

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

Cable UP03020
#29

Ignition-rotor-starter-clutch diagram

Cable

Part #UP03020

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

Rod Lever PS00236
#6

Carburetor-fuel tank diagram

Rod lever

Part #PS00236

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

Snap Ring GM062101
#21

Cultivator attachment diagram

Snap ring

Part #GM062101

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

Lead A07238
#9

Muffler-air cleaner diagram

Lead

Part #A07238

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

Cutoff Pl A03832
#24

Shaft-spool and string diagram

Cutoff pl

Part #A03832

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

Decal PS00038
#16

Shaft-spool and string diagram

Decal

Part #PS00038

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

Crank Assembly A07867
#11

Cultivator attachment diagram

Crank assembly

Part #A07867

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

Blade Guard 044101
#18

Brushcutter attachment diagram

Blade guard

Part #044101

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

Housing A07930
#3

Cultivator attachment diagram

Housing

Part #A07930

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 …

Read more
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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