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.
If you're building an extension cord for your Leister automatic tool such as the BITUMAT, VARIMAT, or VARIANT T1, here are some things to keep in mind:
Machine is not running straight