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Check the coolant level by observing the level in the
radiator and recovery bottle. Add 50/50 antifreeze /
water solution if the level is close to or below the
"LOW" mark. do not fill above the "FULL" mark.
Remove radiator cap and add coolant to radiator. Fill
up to the top of the tube in the radiator filler neck
which includes a connecting hose coming from the
thermostat housing.
To drain the coolant, open the petcock at the bottom
of the radiator. Open the radiator cap to allow com-
plete drainage. (Tighten the petcock and refill with a
50/50 antifreeze/water solution.) Use an automotive
grade (low silicate) ethylene glycol antifreeze. The
cooling system capacity is 3.85 quarts (3.6L.).
Squeeze upper and lower radiator hoses while filling
to bleed air from system coolant. Replace and tighten
the radiator cap.
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Periodically remove the dirt from the radiator fins.
Periodically check the fan belt and radiator hoses.
Replace if signs of deterioration are found.
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If the fan belt is loose, the engine can overheat and
the battery lose its charge. Check tightness by press-
ing on the belt midway between the pulleys. It should
deflect about .25 in. under a load of 20 lbs. (9 Kg) (6
mm).
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At the end of each day’s use, refill the fuel tank to min-
imize moisture condensation and dirt contamination in
the fuel line. Do not overfill; leave room for the fuel to
expand.
Use only fresh, No. 2 grade DIESEL fuel. Do not use
kerosene.
See the Engine Operator's Manual for instructions on
replacing the fuel filter.
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You may need to bleed air from the fuel system if the
fuel filter or fuel lines have been detached, the fuel
tank has been ran empty or after periods of long stor-
age. It is recommended that the fuel shutoff valve be
closed during periods of non-use.
The Kubota D722 engine supplied with this welder is
equipped with an automatic bleeding mechanism that
helps purge the air from the mechanical fuel pump
system. It is generally not necessary to open a vent
screw or fuel line fitting to bleed the fuel system.
Operate the priming lever on the pump to assist start-
ing after extended periods of non-use or out of fuel
conditions.
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1. Fill the fuel tank with fuel.
2. Open the fuel shut off valve (vertical position of
handle) on the Fuel Filter.
3. Crank the engine by pressing the start button for 45
seconds.
4. Check to see that fuel is flowing through both fuel
filters
5. Follow the normal STARTING procedures.
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