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Homelite
Gas Line Trimmer

Model # ST285 Official Homelite trimmer

Here are the diagrams and repair parts for Official Homelite ST285 trimmer, 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 146 parts  |
Carburetor A-00047-C
#27

Replacement parts diagram

Carburetor

Part #A-00047-C

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

Screw 82531
#10

Drive shaft and cutter head diagram

Screw

Part #82531

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

Spring A-98773
#67

Replacement parts diagram

Spring

Part #A-98773

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

Carburetor A-98803-A
#27A

Replacement parts diagram

Carburetor

Part #A-98803-A

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

Bearing 98798
#65

Replacement parts diagram

Bearing

Part #98798

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

String Spool DA-98911
#7

Drive shaft and cutter head diagram

String spool

Part #DA-98911

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

Clamp 00422
#3

Handle assembly diagram

Clamp

Part #00422

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

Fuel Cap Assembly A-00099
#39

Replacement parts diagram

Fuel cap assembly

Part #A-00099

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

Ball Bearing 98797
#62

Replacement parts diagram

Ball bearing

Part #98797

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

Gasket 98765-B
#22

Replacement parts diagram

Gasket

Part #98765-B

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…

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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 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…

Read more
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 …

Read more
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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Top 10 electric lawn and garden tools for 2023

Learn about the top 10 must-have electric lawn & garden tools for 2023…

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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.…

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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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