Question about Northstar Professional Series Pressure Washer 4000 PSI

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Water does not come out of the lance when I squeeze the trigger

I own a 157471 North Star pressure washer. When I hook up the garden hose to the pressure washer, attach the high pressure hose to the gun, I don't get water out of the gun. I can feel the pressure washer buidling up pressure but no water. Do I need a new pressure hose and maybe a new gun assy? I like to think the engine and water pump are fine. The engine starts up right away and runs like a champ. Please advise. I would like to hear some troubleshooting ideas on my problem.
thanks.

Paul

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HI it sounds like you may just have a blocked jet on the end of your lance. Please remove and clean.

Posted on Jun 10, 2010

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Related Questions:

1 Answer

Why does it build pressure, but when I squeeze the trigger the engine stays at idle?


POSSIBLE this look picture hose coupling with water stop put on the tap side or lime in valves after long time or a nozzle with dirt close beaten
clogged nozzle on the lance

Bypass not working (lyme)
if you disconnect the lance and the handle grip is giving enough water and water comes out then the nozzle clean it with a little paperclip.25944841-me02dbjx1ofpduv3i0g3gg4u-5-0.jpg

Nov 06, 2015 | Garden

1 Answer

I have a north star pressure washer model 2SFX20ES3 and the pump is not working. The engine is working good. I pull the trigger and no pressure.


Hi
Sometimes you may have to allow a little time for the pump to prime itself and remove the air trapped inside. With the pressure washer at idle and the pressure hose fully extended, squeeze the trigger and see if you get pressure in a couple of minutes.

If you get no joy from that, your pump has likely checked out on you.

Hope this helps.
-Steve

Jun 05, 2015 | Garden

1 Answer

How do i fit a new lance to Challenge MH02-1610GO pressure washer


Just the lance or trigger gun! Best of luck to ya!

Sep 23, 2014 | Garden

1 Answer

Engine runs , not getting any water flow when trigger pressed.


Disconnect hoses.
Look for kink in water hose.
Check incoming water connection for filter washer
Replace filter washer
If you don't have a filter washer, put one in.
Hook up water, and turn on
Water should come out other side of pump.
Turn on machine.
Do you get pressured water out of pump.
If no pressure, then pump is suspect
Hook up washer hose without gun
Does pressure come out of washer hose
Finally, the gun trigger may be bad.

We had to buy guns now and then.
Search for pressure washer guns
Following link shows guns we used:
http://www.ultimatewasher.com/pressure-washer-trigger-guns.htm

Oct 25, 2010 | Karcher G2650HHR Gas Pressure Washer

2 Answers

Honda 2400 psi before it went out i cold tap the end of the wand on the ground and the pressure would return now when pull the trigger there is no pressure only a fine spray .its a karcher with a honda...


hi,
there is a small ball bearing inside the nozzle on the end of the lance , this can get jammed or missaligned and the nozzle orifice can get blocked , clean this or replace the whole lance with another 200 Bar lance .

hope this helps

Feb 01, 2010 | Honda Karcher G2400HH-R Pressure Washer

1 Answer

When pressure washer engine is running and hooked to water supply, there is no water spray with trigger is depressed


Hi Have you checked that your nozzle in the lance end is not blocked. Please try this and then try without the high pressure hose attached.

Oct 27, 2009 | Karcher 2500 PSI Pressure Washer

1 Answer

Craftsman model 580.752020 electric pressure washer. First time I used it worked for about three minutes then the motor stopped. I cannot get it to start again. Plugged into a 15 amp gfi circuit which did...


turn off water and machine electrics.

remove high pressure hose from front of machine, this may be tight if there is still pressure in the system.
turn on water, when water comes out of machine hose outlet turn on machine. does the machine turn on and water flow increase, if so you probably have a blocked lance jet or trigger.

remove lance extension if fitted and fit hose back to machine, try again. If its ok then this proves you have a blocked lance jet, maybea poke about with some stiff wire will free the obstruction.

If this doesnt bring on the machine you probably have a jammed pressure switch on the pump.

this pressure switch turns on the pump when the trigger is pulled and switches the motor off when the trigger is released.

hope this helps.

Jul 16, 2009 | Electric Garden

1 Answer

When garden hose is connected to the pressure washer no water comes out of the wand, engine is off.


Dear radcongirl,
Try removing the high pressure hose from the machine. Then connect the water hose and see if water comes out of the outlet.( you can also try this by putting on the machine for a few seconds). If water comes out of the outlet, then you have a problem in the high pressure hose or the wand and trigger. Check also the lance and nozzel for blockage.
I do not know what kind or model of machine you have, but most machines the water always comes out of the outlet when water is fed to the inlet. In bigger machines this cannot happen because they have a reserve tank.
Regards,
Fulltech.

Jul 16, 2009 | Honda Maxus Pressure Washer MX5222

1 Answer

North star petrol pressure washer. working fine, then no high pressure, checked water feed, water filter , pressure relief valve and gun nosall well work sometimes and keep working, when you release the...


Sounds like the regulator is sticking or is airbound. loosen the water connection and then tighten it back. Could also be that the trigger gun is faulty or needs adjustment. Hope this helped

Mar 12, 2009 | Karcher 2500 PSI Pressure Washer

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