DeWalt DPH3100 - Manual (Page 13)

13
English
DANGeR: risk of injury from spray. engage the
X
trigger lock (X) when gun is not in use to prevent
accidental spraying.
13. Adjust spray for the task being performed
by changing quick connect nozzle. Refer to
spray Wand nozzles.
Shutting Down
1. If chemicals were applied, place the chemical hose into a
container of clean water and draw clean water through chemical
injection system to rinse system thoroughly.
cAutIoN: Risk of property damage Failure to do so could cause
damage to the pump.
2. Turn engine off. Refer to the engine instruction manual.
cAutIoN: Risk of property damage. Never turn water supply off
while pressure washer engine is running or damage to pump will
result.
3. Turn water source off.
4. Pull trigger on spray gun to relieve any water pressure in hose or
spray gun.
5. 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 e WALT factory service
center, a D e WALT authorized service center or other qualified
service 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.
Y
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.