DeWalt DPD3100 Instruction Manual page 17

Free WarnInG LaBeL rePLaceMent: If your warning labels
(next page) become illegible or are missing, call 1-800-4-D
for a free replacement.
Glossary
WALT
e
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 pres-
sure. 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.
17