Model #B28B McCulloch trimmer
Here are the diagrams and repair parts for McCulloch B28B trimmer, as well as links to manuals and error code tables, if available.
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Showing 10 of 120 parts
#15
Cylinder/muffler/flywheel Diagram
In Stock
#11
Cylinder/muffler/flywheel Diagram
Line trimmer recoil starter pawl
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#12
Cylinder/muffler/flywheel Diagram
In Stock
#4
Cylinder/muffler/flywheel Diagram
In Stock
#15
Shield/throttle housing/shaft Diagram
In Stock
#25
Cylinder/muffler/flywheel Diagram
In Stock
#42
Cylinder/muffler/flywheel Diagram
In Stock
#34
Cylinder/muffler/flywheel Diagram
In Stock
#39
Shield/throttle housing/shaft Diagram
In Stock
#24
Cylinder/muffler/flywheel Diagram
In Stock
Symptoms for gas line trimmers
Repair guides for gas line trimmers

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yourself, following these instructions.

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these instructions to do the job in under 30 minutes.

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these instructions to replace the carburetor in under 30 minutes.
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.

These tips may help you get your hard-to-start gas line trimmer running.

Follow the steps in this video to replace a leaking fuel line in a line trimmer.

Learn about some very easy do-it-yourself repairs for a grass line trimmer.