Instruction manual

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Working Principle (Cont’d)

On a DRY FOG setting, which must always be employed indoors and in confined

areas, the ignition source must be continuous since the fog will not continue

torching except briefly if the ignition source is removed. On a WET FOG setting,

It is possible for the fog to continue to torch after removal from the ignition

source. Never use a wet fog setting indoors and in confined spaces. Extreme

caution must be exercised when using a wet fog setting under all circumstances.

A wet fog setting can leave a deposit of liquid on combustible surfaces creating a

fire hazard should torching take place.

A second source of fog ignition can be the machine itself. If the machine stops

running for any reason including running out of gasoline, the operator must

quickly close the FORMULATION ON-OFF VALVE to stop the fog discharge. If

the engine stops, it is possible for some formulation to flow into the still hot

engine tube where it will vaporize. Part of this vapor may then be drawn by

natural thermal convection back through the annular cooling air space between

the cooling duct and the engine tube, to the red hot engine combustion chamber.

If the proportion of vapor to air is just right when this occurs, the vapor will ignite

and flash back through the discharge end of the engine tube, igniting the small

amount of formulation which may continue to flow very briefly. Burning

formulation can then drip briefly from the discharge end of the cooling air duct. If

this burning formulation comes into contact with an easily combustible material or

a surface which has accumulated a substantial deposit of liquid formulation, a fire

could result.

5. SAFETY EQUIPMENT. Many of the formulations which can be dispensed with

this machine are highly toxic and require special safety equipment. The

formulation label should specify all safety precautions with respect to the

formulation. Read and observe the procedures, CAUTIONS and WARNINGS on

the formulation label. Proper ear protection should also be worn when operating

this machine.

6. IMPROPER OPERATION. There is no substitute for good maintenance

practices. An engine with excessive carbon deposits will run weakly and is likely

to stop at any time. A weak running engine will also emit an extremely wet fog at