VACSTAR 50

Additional Manufacturer Narrative

CORRECTIVE ACTION IS TO UPDATE THE USER'S MANUAL FOR ALL HARD WIRED INSTALLATIONS TO INCLUDE ADDITIONAL REQUIREMENTS FOR GROUNDING PER CAPA (B)(4).

Description of Event or Problem

TECHNICIAN CALLED TO REPORT AN ELECTRICAL SHOCK FROM VS50 UNIT. WHILE SERVICING VACUUM, TECHNICIAN LEANED AGAINST FRAME OF VACUUM AND RECEIVED A SHOCK. SUPPLY CIRCUIT WAS A 10 AMP BREAKER, WIRE SIZE UNKNOWN LEADING TO A BOOST TRANSFORMER RATED AT .50 KVA. THERE WAS NO CONTINUOUS GROUNDING FROM VACUUM TO MAIN PANEL.