Maintenance; Nozzle Cleaning - DeWalt DPD3100 Instruction Manual

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 fre quent maintenance
checks will be required.
Engine
Consult the engine instruction manual for the man u fac tur er'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 D
center, a D WALT authorized service center or other qualified ser-
e
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
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
WALT factory service
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