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Homelite
Gas Line Trimmer

Model # UT20763 Official Homelite trimmer/brushcutter

Here are the diagrams and repair parts for Official Homelite UT20763 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 141 parts  |
Nut UP04262
Nut

Part #UP04262

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

Driveshaft UP05071
#8

Shaft/spool/string/grass deflector diagram

Driveshaft

Part #UP05071

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

Spring UP03917
Spring

Part #UP03917

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

Slotted Hex UP04155
#8

Shaft/spool/string/grass deflector diagram

Slotted hex

Part #UP04155

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

Gear Head (includes Keys 17,18) UP04124
#10

Shaft/spool/string/grass deflector diagram

Gear head (includes keys 17,18)

Part #UP04124

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

Tubing 0143910
#10

Carburetor/fuel tank diagram

Tubing

Part #0143910

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

Screw UP05572
#11

Shaft/spool/string/grass deflector diagram

Screw

Part #UP05572

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

Gasket UP04335
#11

Engine internal diagram

Gasket

Part #UP04335

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

Housing Head Cup UP06567
Housing head cup

Part #UP06567

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

Machine Screw UP04258
Machine screw

Part #UP04258

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…

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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 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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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…

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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.…

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How to tune up a grass line trimmer video

How to tune up a grass line trimmer video

Tune of your grass line trimmer, following the steps in this video.…

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