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B-1
OPERATION
B-1
ENGINE OPERATION
Operate the welder with the doors closed. Leaving
the doors open changes the designed air flow and can
cause overheating.
Starting the Classic 300 D Perkins 104-22
Diesel Engine
1. Turn the “IDLER” switch to “HIGH”.
2. Turn the “IGNITION” switch to “ON”.
3. Press the Glow Plug button for 20 to 30 seconds.
(maximum 60 seconds).
4. Press the Start button. When the engine starts
running, release both buttons. If the engine fails to
start in 20 seconds, wait 30 seconds and repeat
the above procedure.
5. Observe the oil pressure. If no pressure shows
within 30 seconds, stop the engine and consult
the engine operating manual. To stop the engine,
turn the “IGNITION” switch to “OFF”.
6. If the engine protection warning light comes on
during cranking or after start up, the “IGNITION”
switch must be turned “OFF” to reset the engine
protection system.
CLASSIC 300D
Do not attempt to use this equipment until you
have thoroughly read the engine manufacturer’s
manual supplied with your welder. It includes
important safety precautions, detailed engine
starting, operating and maintenance instructions,
and parts lists.
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ELECTRIC SHOCK can kill.
• Do not touch electrically live parts or
electrode with skin or wet clothing.
• Insulate yourself from work and
ground
• Always wear dry insulating gloves.
------------------------------------------------------------------------
ENGINE EXHAUST can kill.
• Use in open, well ventilated areas or
vent exhaust outside.
------------------------------------------------------------------------
MOVING PARTS can injure.
• Do not operate with doors open or
guards off.
• Stop engine before servicing.
• Keep away from moving parts.
------------------------------------------------------------------------
See additional warning information at the
front of this operator’s manual.
-----------------------------------------------------------
WARNING
7. Allow the engine to run at high idle speed for sev-
eral minutes to warm the engine. Stop the engine
and recheck the oil level, after allowing sufficient
time for the oil to drain into the pan. If the level is
down, fill it to the full mark again. The engine con-
trols were properly set at the factory and should
require no adjusting when received.
COLD WEATHER STARTING:
With a fully charged battery and the proper weight oil,
the engine should start satisfactorily even down to
about -15°F (-26°C), it maybe desirable to install cold-
starting aides.
Note: Extreme cold weather staring may require
longer glow plug operation.
Under NO
conditions should ether or other
starting fluids be used!
------------------------------------------------------------------------
Stopping the Engine
1. Turn the “IGNITION” switch to “OFF”
At the end of each day’s welding, check the crankcase
oil level, drain accumulated dirt and water from the
sediment bowl under the fuel tank and refill the fuel
tank to minimize moisture condensation in the tank.
Also, running out of fuel tends to draw dirt into the fuel
system.
When hauling the welder between job sites, close the
fuel feed valve beneath the fuel tank.
If the fuel supply is cut off or runs out while the fuel
pump is operating, air may be entrapped in the fuel
distribution system. If this happens, bleeding of the
fuel system may be necessary. Use qualified person-
nel to do this per the instructions in the MAINTE-
NANCE section of this manual.
WARNING