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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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Model diagram and schematic

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ALL PARTS
Showing 10 of 167 parts  |
Housing A-03947
#56

Shaft and cutting head diagram

Housing

Part #A-03947

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

Use 8818 04006
#34

Shaft and cutting head diagram

Use 8818

Part #04006

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

Decal-conformity (int'l Only) 02657
#55

Replacement parts diagram

Decal-conformity (int'l only)

Part #02657

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

Joint A-03945
#59

Shaft and cutting head diagram

Joint

Part #A-03945

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

Clutch Spring 98453
#50

Replacement parts diagram

Clutch spring

Part #98453

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

Screw 88052
#22

Replacement parts diagram

Screw

Part #88052

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

Square Head Screw 02176
#20

Replacement parts diagram

Square head screw

Part #02176

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

Machine Screw 03951
#61

Replacement parts diagram

Machine screw

Part #03951

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

Key 75078
#38

Replacement parts diagram

Key

Part #75078

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 …

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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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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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