OPERATION
PRE-START
INFORMATION
When the unit is to be used for welding, always
connect the welding cables to the powerterminalson
the panel before starting. It is not necessary to
observe polarity in making ground connections
between welder and the work. Welding current selec-
tion may be made with the unit running but not under
load.
I WARNING I
Do not
'
under an
y circumstances, touch the
Iw^^^^^^^J terminals of the welder while it is operating!
Although the voltage is not high, it can cause severe shock with
possible serious consequences! Stop the unit before making
connections.
ELECTRIC
STARTING:
1.
Adjust choke according to temperature
con-
ditions.
2. Move ignition switch to ON.
3. Push START switch, located on rear side of
control box, firmly. If unit does not start within a
few seconds, release the 57>4^?rswitch and wait a
few seconds before reattempting to start. If unit
does not start after two attempts, open the choke
and repeat starting sequence.
4.
After unit starts, adjust choke to best running
position.
Gradually adjust choke control as unit
warms up.
INITIAL
START
Check the engine to make sure it has been filled with
oil and
fuel.
See the recommendations below.
CRANKCASE
OIL:
Be sure the crankcase has been filled to the FULL
mark with an American Petroleum Institute (API)
designation SE oil of the viscosity recommended on
the nameplate. If the SE oil is not available, an SD or
SD/CC oil may be used. See PERIODIC
MAINTENANCE section for complete lubrication
recommendations.
If oils with these designations are not yet available, use an oil with
the API designation MS, MS/DG or MS/DM which has passed all
the Automotive Manufacturer's Sequence Tests and the MIL-L-
2104B Tests. Do not use an oil with the API designation ML or DS.
Recommended Fuel: Use clean, fresh, regular grade,
automotive gasoline. Do not use highly leaded
premium
fuel.
For new engines, the most satisfactory results are
obtained by using nonleaded gasoline. For older
engines that have previously used leaded gasoline,
heads must be taken off and all lead deposits removed
from engine before switching to nonleaded gasoline.
CAUTION
If lead deposits are not removed from engine
before switching from leaded to nonleaded
gasoline, preignition could occur causing severe damage to the
engine.
WARNING I Never add fuel to welder while it is running.
The battery charge voltage is regulated to supply a nominal
1
.Samp
charge rate al full rpm.
APPLYING
LOAD
Allow the engine to warm up thoroughly at idle speed
before applying a heavy welding
load.
Set the idle
lever at weld position before applying a
load.
The
welder is thermally protected and self-regulating.
Although the welder can be loaded to full nameplate
rating for initial operation, it is recommended it be
loaded only 80% of rated capacity for first few hours.
Controlled break-in with the proper oil and a
con-
scientiously applied maintenance program helps
assure satisfactory welder service for hundreds of
hours.
After 25hours of operation, drain the initial oil while the engine is
still hot.
STOPPING
Move ignition switch to STOP or OFF position. If
ignition switch is left in the Opposition when unit is
not running, battery will discharge.
WELDING
CURRENT
CONTROL
The control panel contains a current selector handle
that can be turned to any one of the dial positions for
the required welding amperage (Figure 1). Make sure
the handle snaps firmly into place when making the
desired amperage selection. On some models, an
optional rheostat is provided for fine current control.
CAUTION
On cold starts, set the idle lever in the idle position to the right to
start. The idle lever is located adjacent to the governor yoke control
shaft. Set manual choke as necessary for weather conditions.
Considerable heat is generated by the reactor
assembly inside the welder control box.
Always keep me engine and control cover installed on the unit to
properiy direct air to the control box. NEVER WELD WITH THE
ENGINE AND CONTROL COVER REMOVED.
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