English

Caution: Risk of property damage Failure to do so could cause damage to the pump.

2.Place the engine ON/OFF switch (H) to the OFF Position.

3.Place the fuel valve lever (M) in the OFF

postion.

Caution: Risk of property damage. Never turn water supply off while pressure washer engine is running or damage to pump will result.

4. Turn water source off.

5. Pull trigger on spray gun to relieve any water pressure in hose or spray gun.

6. Refer to Storage for proper storage procedures.

MAINTENANCE

WARNING: Risk of burning. When performing maintenance, you may be exposed to hot surfaces, water pressure or moving parts that can cause serious injury or death.

WARNING: Risk of fire. Always disconnect, spark plug wire, let the engine cool and release all water pressure before performing any maintenance or repair. The engine contains flammable fuel. Do not smoke or work near open flames while performing maintenance.

To ensure efficient operation and longer life of your pressure washer, a routine maintenance schedule should be prepared and followed. If the pressure washer is used in unusual conditions, such as high temperatures or dusty conditions, more frequent­ maintenance checks will be required.

Engine

Consult the engine instruction manual for the manu­fac­tur­er's­ recom- mendations for any and all maintenance.

NOTE: The pressure washer frame is equipped with an oil drain hole to help make changing the engine oil easier.

Pump

The high pressure pump is maintenance free and requires no oil, if there is a problem with the pump contact a DeWALT factory service center, a DeWALT authorized service center or other qualified ser- vice personnel.

Nozzle Cleaning

If the nozzle becomes clogged with foreign materials, such as dirt, excessive pressure may develop. If the nozzle becomes partially clogged or restricted, the pump pressure will pulsate. Clean the nozzle immediately using the nozzle kit supplied and the following instructions:

1.Shut off the pressure washer and turn off the water supply.

2.Pull trigger on gun handle to relieve any water pressure.

3.Disconnect the spray wand from the gun.

4.Remove the high-pressure nozzle from Y

the spray wand. Remove any obstructions with the nozzle cleaning tool (Y) provided and back flush with clean water.

5. Direct water supply into spray wand to back flush loosened particles for 30 seconds.

6.Reassemble the nozzle to the wand.

7.Reconnect spray wand to gun then turn on water supply.

8.Start pressure washer and place spray wand into high pressure setting to test.

To Clean the Water Inlet Filter

This filter screen (U) should be checked periodically and cleaned if necessary.

14

Page 14
Image 14
DeWalt DPD3100 instruction manual Maintenance, Engine Pump, To Clean the Water Inlet Filter