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Operating Instructions and Parts Manual
pre-Operation
LOCATION
Selecting the proper location can
significantly increase performance,
reliability and life of the arc welder .
•
For best results locate the welder /
generator in an environment that is
clean and dry . Dust and dirt in the
unit retain moisture and increase
wear of moving parts .
•
Store electrodes in a clean, dry
location with low humidity to
preserve the flux coating .
INSTRUCTIONS
1 .
Check engine oil level . Oil is NOT
mixed with the gasoline, however
adequate oil supply is necessary for
proper engine lubrication . Refer to
the Engine Manual for SAE, API and
fill quantity specifications . Unit is
shipped without oil in engine .
2 .
Use of a Ground Fault Interrupter
(GFI) is strongly recommended .
Ground Fault Interrupters can
significantly reduce the possibility
of injury if an electrical short occurs .
In order to install a GFI, the
welder / generators neutral wire
must be internally grounded to the
welder / generators frame, and the
frame must be properly grounded
to the earth .
A Ground Fault
Interrupter may
not be effective if used on a welder /
generators that is not grounded! Refer
to the section entitled Grounding for
proper steps to ground the welder /
generator.
3 .
When installing a GFI, be sure
to follow all national and
local regulations . If not sure of
regulations or procedures, obtain
assistance from a qualified (licensed
or certified) electrical technician .
GROUNDING
1 .
Use the ground terminal and wing
nut on the welder / generator frame
to connect the unit to a suitable
ground source . Securely fasten the
end terminal of the ground wire to
the ground terminal on the
welder / generators frame . Tighten
www.chpower.com
the washer and wing nut on top of
the ground wire end terminal .
2 .
The ground wire should be made
of #8 gauge wire . Do not use wire
with a higher gauge number .
Higher gauge numbers indicate
thinner wire, which may not
provide an adequate ground path .
3 .
The other end of the ground wire
must be securely fastened to an
approved ground source .
The following are ground sources
approved by the National Electric
Code . Other ground sources may be
acceptable . Refer to the National
Electric Code and local regulations for
further ground source information . If
not sure of regulations or procedures,
obtain assistance from a qualified
(licensed or certified) electrical
technician .
a . An underground water pipe at
least ten feet in length
b . A non-corrosive underground
pipe at least eight feet in length
and 3/4 inch diameter
c . A steel or iron underground rod
at least eight feet in length and
5/8 inch diameter
d . A non-ferrous rod at least
eight feet in length, 1/2 inch
in diameter, and approved for
grounding purposes
Any rod or pipe used for grounding
must be driven to eight feet deep or
buried in the deepest possible trench .
STARTING
1 .
Remove all electrical loads from the
welder / generators .
2 .
Rotate fuel petcock valve lever,
located on underside of fuel tank,
to the vertical position to open
valve .
3 .
Flip engine toggle switch (on
control panel) to the ON position .
4 .
The engine is equipped with an
automatic choke . However, the
choke mechanism has a manual
override feature for extreme cold
weather starting . For extreme cold
weather starting, pull choke wire;
after engine warms, push choke in
to it's normal operating position .
6
5 .
Pull the starter rope with a brisk,
smooth motion .
NOTE: Some models may be
equipped with an electric starter .
For models equipped with an
electric starter, turn the key .
6 .
After each start up, allow the
engine to run for 2-3 minutes with
no load .
Engine speed is
preset to provide
proper output voltage. Never attempt
to modify or adjust engine speed or
output voltage.
ENGINE BREAK-IN
After initial start-up, the engine
should be broken in according to the
manufacturer's instructions . Refer to the
engine manual for the proper break-in
procedure .
SHUT-Off
1 .
Shut off and remove all electrical
load devices from the welder /
generator .
2 .
Allow the engine to run for 2-3
minutes with no electrical loads .
3 .
Flip the engine toggle switch (on
control panel) to the OFF position .
4 .
Verify that the welder / generator
has completely stopped .
5 .
Rotate fuel petcock valve lever,
located on underside of fuel tank,
to the horizontal position to close
valve .
6 .
Allow the unit to cool before
installing any covers .
AUTO-IDLE CONTROL (If EQUIppED)
Some units have an auto-idle control
that idles the engine when there is no
demand required of the generator .
The control panel has an idle control
toggle switch to enable or disable this
function .
1 . Idle Control Switch - ON enables the
auto-idle feature and the engine will
automatically idle when not under
load .
2 . Idle Control Switch - OFF disables the
auto-idle feature and the engine will
run at full throttle .
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