When installing a plug on to a power cord:
Ensure your tool is completely cooled down before shutting off:
Watch for a plugged air intake:
If a tool's heater tube gets wet:
Note: Always change both brushes at once. If one brush needs to be changed, change them both.
Changing the element in a TRIAC.
Carry the TRIAC by the handle, not by the cord.
If the filter at the back of the handle is plugged, air cannot flow through the tool.
When changing motor brushes, clean the brush holders with a cotton swab and contact cleaner.