Gas Line Trimmer

Model # UT20709 Official Homelite trimmer/brushcutter

Here are the diagrams and repair parts for Official Homelite UT20709 trimmer/brushcutter, as well as links to manuals and error code tables, if available.

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Browse Parts for
UT20709 Line Trimmers
Head Gear A04836D
#7

Shaft/spool and string/deflector diagram

Head gear

Part #A04836D

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

Gasket 08661
#11

Engine internal diagram

Gasket

Part #08661

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

Fuel Fitting 02067
#13

Carburetor and fuel tank diagram

Fuel fitting

Part #02067

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

Gasket 09343
Gasket

Part #09343

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

Line Trimmer Spool Spring 06713
#21

Shaft/spool and string/deflector diagram

Line trimmer spool spring

Part #06713

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

Nut 93992
#2

Shaft/spool and string/deflector diagram

Nut

Part #93992

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

Rod Lever PS00236
#6

Carburetor and fuel tank diagram

Rod lever

Part #PS00236

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

Gasket 98766A
Gasket

Part #98766A

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

Nut 81208
Nut

Part #81208

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

Cylinder UP07145
#4

Engine internal diagram

Cylinder

Part #UP07145

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.

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

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

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.

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…

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 …

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…

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.

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.…

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…

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.…