ESAB KHM 190 HS, Instruction Manual

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Turn the welding current regulating knob fully clockwise to
put the engine at its maximum rpm. If the engine is not at
full rpm the voltage and the frequency of the auxiliary power
will not be correct. At no load the voltage can be 10%
above nominal and at full load the voltage can be 10% be-
low nominal.
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Before connecting a load to the socket check that the cables
are in good condition and that the plug is wired correctly.
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The light (L), located above each socket, lights up when
there is power available from the socket.
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If the warning light does not light, check that the en-
gine is at maximum rpm, that the GFI (ground fault in-
terrupter) is inserted and that the circuit breaker is
functioning.
When drawing power from more than one socket at the
same time, the power available is that indicated for each
socket but the total cannot exceed the maximum shown on
the rating plate.
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Turn on the GFI (ground fault
interrupter) (D) by pushing the
lever upwards.
The GFI (ground fault interrupter) is a safety device, which
protects the operator in the event of a malfunction. The GFI
(ground fault interrupter) shuts off the power to the three
and single-phase sockets there is a leakage current of more
than 30mA.
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If you overload the socket the circuit breaker will automati-
cally switch off the power.
To reset the circuit breaker, disconnect the load, wait a few
seconds for the circuit breaket to cool down and then push
the button. The button should stay depressed. If the circuit
breaker button does not stay in, let it cool down and try
again. If it still will not stay in call the service.
Before reconnecting the load check that the power required
is within the rating of the socket. A load which is too large
for the socket will cause the circuit breaker to intervene. If,
after reconnecting the load, the circuit breaker opens again,
check the connections, wires, etc. of the load to find the
fault.
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When the machine is running the auxiliary power sock-
ets and the welding sockets are live.
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The auxiliary output should never be connected to
the mains or to any other source of electric power
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Be sure that the machine is grounded before using it.
Without a ground the GFI (ground fault interrupter) will
not function.
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