DeWalt DPW4240 Instruction Manual page 16

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.
1. Remove the filter screen (U) by grasping the
end and removing it from water inlet of pump.
2. Clean filter by flushing it with water on both
sides.
3. Reinsert filter into water inlet of pump. Cone
side faces out.
note: Do not operate pressure washer without
filter properly installed.
to remove tires
Y
1. Using a 1/8" hex head wrench loosen set
screw in hub collar.
2. Slide hub collar from axle and remove the tire.
StorAGE
Engine
Consult the engine instruction manual for the man u fac tur er's
recommendations for storage.
Pump
The manufacturer
winterizer, such as D
unit for more than 30 days and/or when freezing temperatures
are expected. D
where the pressure washer was purchased. If a pump protector/
winterizer is not available, RV antifreeze can be used as outlined in the
following steps.
note: Using a pump protector/ winterizer or RV antifreeze helps
to provide proper lubrication to the internal seals of the pump
regardless of temperature or environment.
1. Obtain a funnel, 6 oz. (170 mL)
U
of RV antifreeze and 16–36" (40–
91cm) of garden hose with a male
hose connector attached to one
end.
NOTICE: Risk of property damage.
Use only Rv antifreeze. Any other an ti-
freeze is corrosive and can damage
pump.
2. Disconnect spark plug wire.
16
recommends using a
WALT winterizer (DP80) when storing the
e
WALT winterizer (DP80) is availabe at the store
e
pump protector/