Question about Dewalt DXPW3835 - 3800 PSI Professional Gas-Cold Water Pressure

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How do I adjust the pressure on a DeWalt DXPW3835 pressure washer?

Posted by Anonymous on

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Posted on Jan 02, 2017

  • 942 Answers

SOURCE: My DeWalt Gas Pressure Washer Model DPD3100 is

Hi

Just try the following steps

  • Inspect the water supply connections
  • Inspect the drain hose
  • Inspect the water pump
  • Inspect outer tub for cracks or corrosion
  • Inspect the tub seal
  • Inspect the tub bearing
Good luck

Regards

PCmania

Posted on Jul 05, 2009

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1 Answer

How do you adjust the pressure?


get larger nozzles, if you are using size 4 nozzles now ( looks right for 3 gpm at 2500 psi) then you would use size 4.5 for 2000 psi, size 5 for 1600 psi etc
Chart here https://www.stens.com/assets/media/pdf/2012_Nozzle_Size_Reference_Guide.pdf

Sep 07, 2014 | Dewalt Pressure Washer - DXPW3025

1 Answer

The engine runs but the water will not come out under pressure


You must have blown out the cones (thats how the water gets compressed inside of pump) in the water pump-

You could try this though on the back of the washer right on top of the water pump is a black knob about the size of your hand that knob will adjust the pressure try turning it and see although I doubt that is the problem-

A pressure washer is not like a compressor you HAVE to pull the trigger every minute NEVER let it just sit there running without pulling the trigger to release the pressure that Dewalt 3800 psi washer you have is a great machine in fact we own 4 of them and they are pretty powerful and easy to damage if left running alone.

TY,

Perry Tradesman

Sep 05, 2014 | Dewalt 3800 PSI Pressure Washer

1 Answer

Hi, My Dewalt 3100 pressure washer pump wash leaking water from a check valve or overflow plug Do you know whats wrong?


The Dewalt 3100 came with 2 different pumps. The Blue Cat pump and the oil free pump that was made by DeWalt.
You may just have a bad Thermal relief Valve on the unit.

You can find the parts diagram at www.allpartsinc.com

Sep 08, 2011 | Dewalt DPH3100 Gas Pressure Washer

2 Answers

What type of oil do i put in the DPD3100?


In the Pump Dewalt recommends
DeWalt DP70 Pressure Washer Pump OilIn the engine Dewalt Recommends
SAE 10W-30 is recommended for general use

Jun 26, 2011 | Dewalt DPD3100 Gas Pressure Washer

1 Answer

In originally how is the warranty .


DEWALT Pressure washers warranty is as follows:


DEWALT pressure washers model year 2007 and prior (yellow frames) have a 2 year engine warranty, 1 year all other limited warranty.


DEWALT pressure washers model year 2008 (black frames) have a 2 year all components covered warranty.


Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.

Mar 19, 2010 | Dewalt 3700 Pressure Washer

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