Hobart Welding Products CHAMPION OM-493 - Manual (Page 21)

OM-493 Page 17
SECTION 5 – OPERATING THE WELDING GENERATOR
5-1. Front Panel Controls
Ref. ST-192 519-A
5
1 Engine Control Switch
Use switch to start engine, select speed, and
stop engine. In Run/Idle position, engine runs
at idle speed at no load, and weld/power
speed under load. In Run position, engine
runs at weld/power speed.
2 Engine Choke Control
Use control to change engine air-fuel mix.
To Start: pull out choke and turn Engine Con-
trol switch to Start position. Release switch
and slowly push choke in when engine starts.
Do not crank engine if engine is still turning.
To Stop: turn Engine Control switch to Off
position.
3 Engine Hour Meter (Optional)
4 Coarse Adjust Switch
Y Do not switch under load.
Use switch to select weld amperage range.
Place switch in Off position to stop output to
weld terminals.
.
For best arc starts, use lowest amperage
range possible.
5 Fine Adjust Control
Use control to select weld amperage within
the range selected by the Coarse Adjust
switch. Control may be adjusted while wel-
ding. Weld output would be 110 A DC based
on control settings shown (50% of 70 to 150
A). Set control at 10 for maximum auxiliary
power.
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