b. Visual Inspection.
Inspect the unit casing for cracks and breaks (figure 1-1).
Inspect the power cord for the following:
Proper strain relief at the housing connection.
Cracked or damaged plug.
Inspect the output wand to ensure that there are no frays or cracks present
c. Operational Checkout. The operator performs the following inspections and
tests daily, or at each shift change.
Place the unit on a nonconductive, clean, dry surface.
Securely place the needle electrode into the front of the hand switch.
(3) Connect the hand switch control cord to the keyed receptacle on the
bottom of the unit.
Place a wet sponge in an open nonconductive container.
Plug the unit power cord into a 110vac, grounded, power source.
Place the output power cord in the LOW output receptacle.
(7) Hold the needle electrode two to three millimeters away from the sponge.
Do not touch the sponge. Activate the unit by depressing the button on the hand switch.
Vary the control dial setting and ensure the spark intensifies at higher
Repeat steps 6, 7, and 8 using the HIGH output receptacle.