DeWalt DH4240B Manuel d'instructions télécharger pdf (Page 19)

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Glossary

Bypass mode: Allows water to re-circulate within pump when the gun trigger is not pulled.

Chemical hose: Feeds cleaning agents into the pump to mix with the water. Refer to Chemicals and Cleaning Solvents.

Chemical injection system: Mixes cleaners or cleaning solvents with water to improve cleaning effectiveness.

Choke control: Opens and closes carburetor choke valve.

CU: Cleaning Units. GPM multiplied by psi. (GPM x PSI = CU)

Fuel valve lever: Opens/closes connection between fuel tank and carburetor.

GPM: Gallons Per Minute. The unit of measure for the flow rate of water.

PSI:PoundsperSquareInch.Theunitofmeasureforwaterpressure.Alsousedforairpressure,hydraulicpressure,etc.

kPa (kilopascal): Metricpressuremeasurement.1kilopascalequal1000pascals.

Quick-connect spray wand: Allowstheusertoquicklychangeouthighpressurenozzles.RefertoSprayWandNozzles.

Thermal relief valve: When the temperature inside the pump rises too high the valve will open and release a gush of water in an effort to

lower the temperature inside the pump. The valve will then close.

Water supply: Allpressurewashersmusthaveasourceofwater.Theminimumrequirementsforawatersupplyare20psi(138kPa)and

5 gallons per minute.

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DeWalt DH4240B Manuel d'instructions Page 19