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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Showing 10 of 174 parts |

Muffler-air cleaner diagram

Screw

Part #82600

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

#32

Shaft-spool and string diagram

Line trimmer spool spring

Part #06713

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

#13

Engine internal diagram

Muffler guard

Part #UP00027

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

Engine internal diagram

Piston rod

Part #UP00768

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

Gasket

Part #09343

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

Carburetor-fuel tank diagram

Rod lever

Part #PS00236

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

Ignition-rotor-starter-clutch diagram

Lead

Part #A06963

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

Shaft-spool and string diagram

Handle

Part #A07136

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

#18

Blower attachment diagram

Screw

Part #GM011108

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

Muffler-air cleaner diagram

Switch button

Part #98769

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…

Why won't my gas line trimmer start?

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

Why does my gas line trimmer leak gas?

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

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

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

Repair difficulty

Time required

15 minutes or less

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 …

Repair difficulty

Time required

15 minutes or less

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…

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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Solving 3 common problems with line trimmer cutting lines

Model # UT20712 Official Homelite gas line trimmer

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas line trimmers

Why does my gas line trimmer run rough?

Why won't my gas line trimmer start?

Why does my gas line trimmer leak gas?

Repair guides for gas line trimmers

How to rebuild a line trimmer carburetor

How to replace a line trimmer carburetor

How to replace a line trimmer fuel line

Articles and videos for gas line trimmers

Solving 3 common problems with line trimmer cutting lines

How to replace a line trimmer fuel line video

How to tune up a grass line trimmer video

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