DeWalt DXPW4240 Manual De Instrucciones página 14

NOTICE: NEVER pull water supply hose to move pres sure washer.
This could damage hose and/or pump inlet.
• DO NOT use hot water, use cold water only.
• NEVER turn water supply off while pressure washer engine is
running or damage to pump will result.
• DO NOT stop spraying water for
more than two minutes at a time.
Pump operates in bypass mode
when spray gun trigger is not
pressed. When the temperature
inside the pump rises too high the
thermal relief valve (T, Fig. 10) will
open and release a gush of water in
an effort to lower the temperature
inside the pump. The thermal relief valve will then close. If pump
is left in bypass mode for more than two minutes internal com-
ponents of the pump can be damaged.
START-UP PROCEDURE (FIG. 1, 11–17)
1. In a well-ventilated outdoor area, add fresh, high-quality, unleaded
gasoline with a pump octane rating of 86 or higher. Do not overfill.
Wipe up spilled fuel before starting the engine. Refer to engine
instruction manual for correct procedure.
IMPORTANT: Ethanol Shield
TM
that helps eliminate and prevent ethanol related problems in power
equipment. Follow the instructions on the container and add to the
gasoline.
NOTICE: Use of fuels with greater than 10%
ethanol are not approved for use in this
product per EPA regulations and will damage
the unit and void the warranty.
FIG. 10
T
(sold separately) is a fuel stabilizer
2. Check engine oil level. Refer to the engine instruction manual for
correct procedure.
3. Check pump oil level. The oil level should come to the dot in the
middle of the sight glass. Refer to the Pump paragraph under
Maintenance.
4. Connect the water hose to the water source. Turn the water source
on to remove all air from the hose. When a steady stream of water is
present, turn the water source off.
5. Verify the filter screen (U) is in water inlet of pump. The convex side
faces out.
FIG. 11
U
6. Connect the cold water source (V) to pump inlet.
NOTE: Water source must provide a minimum of 5 gallons per minute
at 20 psi (138 kPa).
WARNING: To reduce the possibility of contamination always
protect against backflow when connected to a potable water system.
7. Connect high pressure hose (P) to pump outlet.
8. If applying a chemical or cleaning solution, refer to Chemicals and
Cleaning Solvents.
9. Turn the water source on.
14
FIG. 12
V
P