20 Most Recent Dewalt DPD3300 Commercial Pressure Washer Questions & Answers

What is your model #

This happens when the gas needle valve in the carburator sticks open. With it open, gas continues to flow into the carburator then into the cylinder and finally down into the crankcase. It can be caused by dirt in the needle valve's seat, a stuck needle or float. Most of the time you can remove the float bowl and flush out any dirt. If there's a lot you should consider flushing the gas tank and check your gas can for dirt. If the washer has been sitting for a long time the problem could be varnish is gumming up the carb works. Carb cleaner works well to flush that out. If the float, needle or seat is damaged you'll have to rebuild or replace the carb.

The Instruction Manual for the Dewalt DeWalt DPD3300 3300 PSI 28 GPM Commercial Pressure Washer can be downloaded from the following site:

http://servicenet.deltaportercable.com/Products/Detail?productNumber=DPD3000IC

Scroll down in the Downloads box to the desired item; select the icon under PRINT DOCS to open.

If your engine has a place to put oil, then your power washer uses ordinary gasoline.
The only type engine that uses 2-cycle oil and gas mixture is engine that has no place to put oil.

Oil for pump comes half way up >>> pump uses SAE20 or SAE 30 non-detergent motor oil
Oil for engine comes half way up dip stick and uses 10-W30 motor oil

if there is water pressure still hooked up then pump is primed and a sensor { that kicks the idle down when not pulling the trigger} is restricting the fuel flow. see if problem continues without pressure

Try disconnecting the oil level switch.

The after fire solenoid helps prevent backfire when the engine is turned off. You can operate the genset without the solenoid and likely it will shut off without issue.

You can easily test by removing the solenoid plunger or the tip of the plunger and reinstall the solenoid.

page 15 DeWalt DPD3800 Instruction Manual Nozzle Cleaning

There should be a mark on the dipstick min and max. Keep within the 2 marks.

spark plug wire? do you mean coil? if you have no spark. i would check the plug first. then the coil assuming the on of switch is good. unplug the coil kill wire and try it. if it starts then you have a switch or wiring problem. if it don't start it is likely the coil is bad.