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Homelite
Gas Line Trimmer

Model # HBC-40 Official Homelite trimmer

Here are the diagrams and repair parts for Official Homelite HBC-40 trimmer, 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

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ALL PARTS
Showing 10 of 167 parts  |
Starter Housing A-04044
#3

Replacement parts diagram

Starter housing

Part #A-04044

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

Snap Ring 04029
#71

Replacement parts diagram

Snap ring

Part #04029

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

Spring 00737
#5

Shaft and cutting head diagram

Spring

Part #00737

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

Socketheadsc 88181
#42

Shaft and cutting head diagram

Socketheadsc

Part #88181

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

Handle Bar A-00590
#48

Shaft and cutting head diagram

Handle bar

Part #A-00590

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

Housing Eyelet A-04165
#21

Shaft and cutting head diagram

Housing eyelet

Part #A-04165

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

Use 0401 04010
#45

Shaft and cutting head diagram

Use 0401

Part #04010

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

Scroll Fan 02064
#32

Replacement parts diagram

Scroll fan

Part #02064

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

Screw, Socke 03942
#61

Shaft and cutting head diagram

Screw, socke

Part #03942

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

Use 0401 04001
#44

Shaft and cutting head diagram

Use 0401

Part #04001

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

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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