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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Browse Parts for
HBC-40 Line Trimmers
Repair Kit 03172
#1

Carburetor- zama diagram

Repair kit

Part #03172

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

Clutch Shoe 98292
#49

Replacement parts diagram

Clutch shoe

Part #98292

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

Clutch,spide A-02030
#48

Replacement parts diagram

Clutch,spide

Part #A-02030

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

Use   8831 04034
#76

Replacement parts diagram

Use 8831

Part #04034

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

Gasket-muffler 01543-A
#19

Replacement parts diagram

Gasket-muffler

Part #01543-A

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

Repair Kit A-04042
#1

Carburetor-walbro diagram

Repair kit

Part #A-04042

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

Clutch Housing A-04048
#73

Replacement parts diagram

Clutch housing

Part #A-04048

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

Muffler A-02083
#18

Replacement parts diagram

Muffler

Part #A-02083

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

Stand Guard A-04050
#38

Shaft and cutting head diagram

Stand guard

Part #A-04050

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

Ignition Module 02095-S
#21

Replacement parts diagram

Ignition module

Part #02095-S

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.

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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…