Auto-Throttle System; Ac/Dc (Weld) Selector Switch - Honda EW171 Owner's Manual

Auto-throttle System
The auto-throttle system automatically reduces engine speed when AC loads
are turned off or disconnected, or DC welding is discontinued. When AC loads
are turned on or reconnected, or DC welding is resumed, the engine returns
to the rated speed.
AUTO:
Recommended to minimize fuel consumption and further reduce
noise levels when no load is applied to the generator/welder.
OFF:
The auto-throttle system does not operate.
Recommended to minimize warm up time when the engine is started.
:
AUTO-THROTTLE
AC/DC (Weld) Selector Switch
A AC/DC (Weld) selector switch is located on the control panel.
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To avoid accidental arcing, one cable end should be firmly attached to the
object to be welded, and the electrode holder at the end of the other cable
should be held in the operator's hand when the DC (WELD) selector is
turned on.
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Under no circumstances should any type of electrical appliance be plugged
into any of the AC receptacles when the selector is in the DC (WELD)
position. AC voltage is present at the AC receptacle at all times, regardless
of the position of the AC/DC (WELD) selector.
However, when this selector is in the DC (WELD) position, the AC voltage
is unregulated and fluctuates considerably.
C (WELD) SELECTOR SWITCH
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