Model # UT20722 Official Homelite trimmer/brushcutter

Here are the diagrams and repair parts for Official Homelite UT20722 trimmer/brushcutter, 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 111 parts |

Muffler and air cleaner diagram

Lead

Part #A07238

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

Ignition/rotor/starter/clutch diagram

Terminal and cover

Part #A133055

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

#29

Ignition/rotor/starter/clutch diagram

Cable

Part #UP03020

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

Shaft/spool and string/blade diagram

Washer

Part #83009

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

Engine internal diagram

Gasket-heat dam

Part #D6900A

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

Short block

Part #UP02995

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

Shaft/spool and string/blade diagram

Washer

Part #84004

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

Carburetor and fuel tank diagram

Line trimmer fuel line

Part #0143918

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

#10

Shaft/spool and string/blade diagram

Decal

Part #PS00038

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…

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 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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Top 10 electric lawn and garden tools for 2023

Model # UT20722 Official Homelite trimmer/brushcutter

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas line trimmers

Why won't my gas line trimmer start?

Why does my gas line trimmer run rough?

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

Top 10 electric lawn and garden tools for 2023

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

Grass line trimmer maintenance checklist

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