Remove the wire to the grinder's spark plug. Inform anyone in the area of the work you will be performing to keep their distance away from any possible sparks.
Put on safety glasses. Sharpen the teeth on the grinder with the metal wheel on a portable disc grinder. Hold the grinder at a 120-degree angle for best results. Do this until you reach the carbide tips of the teeth. Frequently stop to spray the teeth with water to cool them down as the grinder will make them hot and prone to damage.
Replace the metal wheel with the green or diamond wheel. Continue to sharpen the carbide tips of the teeth until you attain the desired sharpness.
Remove dust and debris from the sharpening process with compressed air, keeping your safety glasses on.
Remove the wire to the grinder's spark plug and warn others not to inadvertently attempt to engage the grinder.
Spray the teeth with penetrating oil to make them easier to remove.
Unscrew the setscrews holding each of the grinder's teeth in place.
Put safety glasses on. Sharpen each of the grinder's teeth with the metal wheel on a bench grinder to the carbide tip. Hold the teeth at approximately 120 degrees for optimum sharpening.
Sharpen the carbide tips of the teeth with a green wheel or diamond wheel until reaching desired sharpness.
Blow off shavings and debris from the teeth with compressed air.
Wipe each of the sharpened teeth carefully with machine oil. Reattach teeth to grinder with a screwdriver or drill. Reattach the spark plug wire and the Vermeer grinder will be fully operational again.