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Gas Line Trimmer

Model # UT20734R Official Homelite trimmer/brushcutter

Here are the diagrams and repair parts for Official Homelite UT20734R trimmer/brushcutter, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 105 parts |

Screw UP04102

Shaft/spool/string/grass deflector diagram

Screw

Part #UP04102

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

Screw-thread Form (8-16 X 1/2") (3) UP04164

Ignition/rotor/starter/clutch diagram

Screw-thread form (8-16 x 1/2") (3)

Part #UP04164

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

Handle UP06959

Shaft/spool/string/grass deflector diagram

Handle

Part #UP06959

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

Cover UP00019

Engine internal diagram

Cover

Part #UP00019

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

Line (1,206' 9801106

#NI10

All parts diagram

Line (1,206'

Part #9801106

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

Gasket UP04335

Engine internal diagram

Gasket

Part #UP04335

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

Trigger UP03015

Ignition/rotor/starter/clutch diagram

Trigger

Part #UP03015

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

Lead UP04690

Lead

Part #UP04690

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

Bumper UP03501

Carburetor/fuel tank diagram

Bumper

Part #UP03501

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

Screw UP04140

Carburetor/fuel tank diagram

Screw

Part #UP04140

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.

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.

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.

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…

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.…

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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