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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.

NOTE: Do not operate pressure washer without filter properly installed.

To Remove Tires

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

4. Remove the high-pressure nozzle from the spray wand. Remove any obstructions with the nozzle cleaning tool (BB) provid- ed and back flush with clean water.

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

BB

Engine

Consult the engine instruction manual for the manufacturer's recommendations for storage.

Pump

The manufacturer recommends using a pump protector/winterizer, such as DP80 when storing the unit for more than 30 days and/or when freezing temperatures are expected. DP80 is availabe at the

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 (V) should be checked

 

periodically and cleaned if necessary.

 

1.

Remove the filter screen (V) by grasping

 

 

the end and removing it from water inlet of

 

 

pump.

 

2.

Clean filter by flushing it with water on both

V

 

sides.

 

3.

Reinsert filter into water inlet of pump.

 

store where the pressure washer was purchased. If a pump protector/ winterizer is not available, RV antifreeze needs to be run through the pump as outlined in the steps below.

NOTE: Using a pump protector/ winterizer or RV antifreeze is to provide proper lubrication to the internal seals of the pump regard- less of temperature or environment.

1.Obtain a funnel, 6 oz. (170 mL) of RV antifreeze and 16–36" (40–91cm) of garden hose with a male hose connector attached to one end.

CAUTION: Risk of property damage. Use only RV antifreeze. Any other antifreeze is corrosive and can damage pump.

2.Disconnect spark plug wire.

3.Connect length of garden hose to water inlet of pump.

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DeWalt DP3700 instruction manual To Remove Tires, Storage, To Clean the Water Inlet Filter