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start-uP ProceDure (FIG. 1, 10–16)
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.
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.
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. 10
U
6. Connect the cold water source (V) to pump inlet.
P
FIG. 11
V
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.
NOTICE: Risk of property damage. Failure to do so could cause
damage to the pump.
10. Remove all air from the pump and high pressure hose by depressing
trigger until a steady stream of water is present.
11. Turn the engine ON/OFF switch (H) to the ON position.
12. Place the fuel valve lever (M) in the ON position.
13. If the engine is cold, move the choke (L) to the CLOSED position
as shown.
FIG. 12
FIG. 13
H
14.
WARNING: Risk of unsafe operation. Pull starter grip slowly
until resistance is felt. Then pull starter grip (I) rapidly to avoid
kickback and prevent hand or arm injury.
note: Do not allow the starter grip to snap back. Return it gently by
hand.
14
FIG. 14
L
M
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Do you have a question about the DXPW3425 and is the answer not in the manual?
Questions and answers
how to replace carburator
To replace the carburetor on a DeWalt DXPW3425 pressure washer:
1. Turn Off and Disconnect – Ensure the engine is off and cool. Disconnect the spark plug wire for safety.
2. Remove the Air Filter – Unscrew the air filter cover and take out the air filter and housing.
3. Disconnect Fuel Line – Turn off the fuel valve and carefully disconnect the fuel line from the carburetor.
4. Remove the Old Carburetor – Unscrew the mounting bolts and disconnect the throttle linkage.
5. Install the New Carburetor – Attach the throttle linkage, secure the carburetor with mounting bolts, and reconnect the fuel line.
6. Reinstall the Air Filter – Place the air filter housing and filter back in position and secure it with screws.
7. Reconnect and Test – Reconnect the spark plug wire, turn on the fuel valve, and start the engine to check for proper operation.
Ensure the replacement carburetor matches part numbers 16100-ZH8-W61 or 16100-ZH7-W51 for compatibility.
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