Question about Karcher 1750 Psi Elec Pressure Washer

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Unit does not reach high pressure

I don't have the instructions for this washer. I may not have hooked up the parts right. Can you help me out??
Thank you
Linda

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Posted on Jan 02, 2017

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SOURCE: Pressure Washer will not reach high pressure

Nozzle is clogged. Clean out with small diameter wire.

Posted on Aug 31, 2009

  • 61 Answers

SOURCE: troy bilt pressure washer will not build or reach high pressure

check the non-return valves in the pump block. if these are damaged or dirty you pressure will be greatly reduced. they are located behind the 3 lage brass hexagonal caps.

I hope this helps

Posted on Sep 20, 2009

  • 2841 Answers

SOURCE: how do I fix a

It can be the inlet filter where your garden hose connects is clogged, so check that first. Also make sure that the hose is connected tightly and not pulling in air both at the inlet and outlet. Remove the spay nozzle and use a pin to make sure it is clear on and debris. Pull the trigger wait until you see a constant flow of water, and all air has been purged from the system. Then attach the high pressure nozzle. Black nozzle is for low pressure. Also make sure you are using at least a 5/8" garden hose and no smaller with the water turned on fully. Check the hose for kinks and obstructions. If all this checks out you may have calcification. Use the black low pressure nozzle and a gallon of distilled vinegar and inject it through the unit to remove any calcification. If none of this solves your problem then there is a problem with the pump itself and you will need to call Karcher for repair or replacement of the pump. Although your unit has a thermal relief valve, you should not run this unit for more than 5 minutes without pulling the pressure washer trigger or it will overheat and damage the pump. If you find you need a new pump here is one for $142. http://www.pwoutlet.com/KARCHER_LEGACY_26_30_PRESSURE_WASHER_PUMP_p/8.920-004.0.htm

Posted on Sep 04, 2010

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1 Answer

How do I solve my problem with my pressure washer not sending soap?


Pressure washers usually will not draw soap on high pressure setting. Switch wand or set wand to lower setting. Pin hole leak in soap line can also cause problem.

Jan 22, 2015 | Craftsman 2700 PSI Briggs Stratton...

1 Answer

K5.140 low pressure and motor pulsates when trigger released


Trevor,

The pulsating of the motor that you observe is occurring because the unloader valve is "cycling", over and over and over. This happens when the unloader can not trap the pressure down-line from it. Whether you have an external leak or not, your unloader is leaking internally.

On home-owner class pressure washers, the unloader valve is not a completely separate part -- as they are on commercial pressure washers. Rather, the "body" of this part is molded right into the "manifold head" of the pump. So if you are looking at the pump, the unloader is where the pressure hose hooks up (The hose is not really hooking up to the pump, but is hooking up to the outlet of the unloader valve).

What you need is an "unloader rebuild kit". To get this, if I were you, I'd find a Karcher dealer, who will look it up making any necessary cross-references etc. and come up with a part number for the kit. This kit will contain all the wearable pieces that go inside the unloader.

Also inquire with said Karcher dealer about an exploded representation of the unloader so you can see where everything goes (and how it comes apart and goes together). If such a dealer tells you he/she has no such thing -- that is likely not true. It is, however, true that these dealers may feel justified in not wanting to be "tasked" too much because they earn very little $margin$ on the sell of these parts. At any rate, you need this parts explosion and if a dealer is not willing to get you hooked up with it, go somewhere else! Also, these service sheets may be available online, but I have not been able to locate them (admittedly, my search has been cursory).

When you do this, be sure to wash out every little piece -- because we know there is damage and bits a pieces of the old wearables may be inside cavities and this could/would cause things to not work upon completion. Do this work in a well lit area and be sure your vision is as good as it can be. I generally wear reading (magnifying) glasses to be certain I can see all detail.

Good luck and if this is helpful to you I hope you'll take a sec to rate me. Thanks!
Don

Mar 16, 2012 | Garden

1 Answer

I bought a new Blue Max Gasoline pressure washer and when I started it up I have very little water pressure. Are there any comprehensive instructions manuals then what were supplied with unit? Thanks Ron


You can download the manual here: http://www.farmprotractors.com/hdcmanuals/PW2200-03435.pdf

It is probably the same manual that came with the unit.

As far as pressure... hook up the water supply hose and turn on the water supply. Let the supply hose purge all of the air out. Then turn off the water and connect the high pressure hose. After that turn the water supply on again with the engine off and squeeze the wand trigger. Make sure all of the air is out of the high pressure hose. Then start the unit...
Once the engine has stabilized rapidly squeeze and let go of the wand trigger several times. Your exersizing the bypass / unloader valve spring. By this time you should have good pressure. If you have owned the unit less than 90 days and your sure you have a warranty issue use this link to contact the company:
http://www.homier.com/contacts

Contact Information:
Homier Distributing Company, Inc.
84 Commercial Road
Huntington, Indiana 46750
Hours of Operation:
M-F 8:00am - 5:00pm EST

I note they do NOT include a phone number on their contact page but do state empatically that warranty contact should be made via email feedback@homier.com

You will also need a warranty form here:
http://www.homier.com/return-authorization-form.pdf

Some of these units have a sliding assy on the wand that slides toward the ouput nozzle for adding soap / chemicals. If the slide is not pulled back toward trhe wand and locked into place you will not have any pressure either.

It appears from reading the manual that this particular unhit had 2 different nozzles. One for chemicals and one for high pressure. Plese make sure you have the high pressure nozzle installed. The BLACK nozzle is for chemical use. (page 5 of manual link above)

The red, yellow or white nozzles are all for high pressure with different spray patterns.

This is about the best I can do for you Ron. Hope it was helpful.

Kelly

May 20, 2010 | Psi Blue Max 2200 High Pressure Gas Power...

1 Answer

Troy bilt pressure washer will not build or reach high pressure


check the non-return valves in the pump block. if these are damaged or dirty you pressure will be greatly reduced. they are located behind the 3 lage brass hexagonal caps.

I hope this helps

Sep 04, 2009 | Karcher 2500 PSI Pressure Washer

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