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Homelite UT20784 trimmer/brushcutter Parts
Here are the diagrams and repair parts for Homelite UT20784 trimmer/brushcutter, as well as links to manuals and error code tables, if available.
By Schematic
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Browse Parts for UT20784 Line Trimmers
Shaft/spool/string/grass deflector diagram
Grass Shield
Part #UP05086
The manufacturer no longer makes this part, and there's no substitute part
Ignition/rotor/starter diagram
Short Block (see Engine Internal)
Part #UP-02994
The manufacturer no longer makes this part, and there's no substitute part
Hex Service Engine
Part #UP02963
The manufacturer no longer makes this part, and there's no substitute part
Switch
Part #UP04197
The manufacturer no longer makes this part, and there's no substitute part
Shaft/spool/string/grass deflector diagram
Flexible S
Part #UP05072
The manufacturer no longer makes this part, and there's no substitute part
Pulley
Part #UP03012
The manufacturer no longer makes this part, and there's no substitute part
Clutch Kit
Part #UP00034
The manufacturer no longer makes this part, and there's no substitute part
Screen
Part #UP04629
The manufacturer no longer makes this part, and there's no substitute part
Clutch
Part #UP04103
The manufacturer no longer makes this part, and there's no substitute part
Carburetor/fuel tank diagram
Fuel Tank
Part #UP00020
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your line trimmers
Choose a symptom to see related grass line trimmer repairs.
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…
Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…
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
If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…
Repair time and Difficulty
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 time and Difficulty
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 time and Difficulty
15 minutes or less
Effective articles & videos to help repair your line trimmers
Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.
Vapor lock can stop your trimmer cold in summer heat. Learn how to prevent it and keep your lawn looking sharp…
Trying to decide between a straight shaft and curved shaft trimmer? This guide compares both designs to help you underst…
Wondering if your weed whacker can pick up the slack for your broken lawn mower? You're not alone. In this guide, we bre…
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