Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry contacts a metal surface a direct
short may result in instant heating of tools, damage to equipment, and injury or death to personnel.
Remove three screws (1), three lockwashers (2), ground lead (3), and flat washer (4) and release main
switch panel (5) from mounting brackets. Disconnect wire 14 from START switch side of circuit
breaker. Place red lead of multimeter on terminal of circuit breaker and black lead to ground. Turn
MASTER switch on and check for voltage. Turn MASTER switch OFF. If voltage is present, go to step
2. If voltage is not present, go to step 12.