Question about Karcher 2500 PSI Pressure Washer

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Karcher hd 2500 ... starts up great, but when handle is engaged it surges and cuts out. i have cleaned carb, in line water filter, checked the oil. Any ideas?

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Posted on Jan 02, 2017

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  • 174 Answers

SOURCE: Karcher G 3000 BH Engine Pumping Problem

This may not be a motor problem. It sounds like your pump is not working properly and the motor is just following the pump. First thing to do is check for leaks in the pump, wand hose, gun etc. It may also be a blown water seal inside the pump.

Posted on Aug 18, 2009

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SOURCE: karcher 1650 leaking water from trigger

i believe the spring is the actual trigger spring that pushes the trigger switch back in place and the water leaking out is probably a seal issue

Posted on Aug 25, 2009

  • 250 Answers

SOURCE: The motor keeps surging

If there's a lot of sediment in your water supply, there's a chance that sediment has gummed up the pressure switches. I'm assuming it has a full power switch and high power switch. It runs on full power until a pressure switch is satisfied, and runs on low power to slowly build the pressure back up, at which a second switch is satisfied from the pressure and turns the motor off. These things are not easy to work on, and are made of metal probably too fragile to try any chemicals. You should probably contact the manufacturer.

Posted on Sep 19, 2009

Testimonial: "Thankyou, great help!"

  • 174 Answers

SOURCE: when I squeez the handle the pressure surges.

Hi:
The first thing i would do is be sure there is not a partial blockage in the nozzle.

Posted on Sep 24, 2009

  • 299 Answers

SOURCE: Karcher K2.36 motor cut out and won't restart

Yes, the water should be turned on first but if it only ran for a minute or two it should be OK. Most late model pressure washers have an automatic shutoff when the trigger on the wand is released. Turn on the water and then the machine and then squeeze the trigger on the handle of the wand and the motor should start as soon as the air is cleared from the line by the flowing water (about 10 seconds). If the unit was put away wet last season you may need to clean the nozzle with a piece of wire too.

Posted on Apr 16, 2010

Testimonial: "Thanks brobin, your advice was spot on and it is now working again, much appreciated"

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1 Answer

Why does my karcher powerwasher starts and dies after 2 minutes


dirty carb , clean carb, install a fuel cut off valve ( or start using it if you already have one) when you are done washing, turn off the fuel valve and continue spraying water until the engine stops. That will empty the carburetor bowl and the carb will stay clean until you want to use it again.

Sep 07, 2014 | Karcher 2500 PSI Pressure Washer

1 Answer

I have a karcher high pressure washer model hd 2500 hk. What would make my unit stop running after about 45 seconds ,running at full throttle and at high pressure


Hi,

There could be two possible causes for your problem, one is oil level in the engine could be low, or the engine is tilted or not positioned on a level ground, and the second one is water in the carburetor. Check the oil level and replace the oil if necessary, drain the fuel from the fuel tank and the carburetor and clean the carburetor ports and jets, check the fuel for contamination, check and replace or clean the spark plug if necessary, check if the air filter is blocked, dirty, carbonated, or saturated with oil, and replace if necessary.

Jul 30, 2014 | Karcher 2500 PSI Pressure Washer

1 Answer

Overfilled the oil and black smoke came. Can't startt now what i need to do


hi there pauly46 here

remove plug, pull engine over to remove oil from combustion chamber , clean plug,
refit, remove air filter - replace it if its wet with oil / or water damaged and clean backing plate , drain float bowl and check oil in carb, refit bowl and connect water supply to pump - turn on and start engine ( sounds like you hydraulicd the piston in the cylinder )

engine may blow blue / white smoke for a while then settle back

note do not use a sae 30 , use a 20w/50 oil or 10w/40. honda engine with low oil shut down
units on them have a problem with sae 30 oil

cheers hope it helps

pauly46

May 13, 2011 | Karcher 2500 PSI Pressure Washer

1 Answer

Ihave a karcher 630m which keeps cutting out please can you help


OIL LEVEL LOW?, CARB NEEDS CLEANED, DRAIN CARB FUEL BOWL CHECK COLOR OF GAS , MAY HAVE WATER OR OLD GAS IN BOWL AS WELL,

Mar 25, 2011 | Karcher Garden

2 Answers

Honda engine will not start,,,new plug, new gas, new oil


Karcher Model G2650 OH with Honda 6.0 HP, GC 190 Engine. Engine won't start. New gas, has spark. Seems to flood instantly. Much gas in cylinder. Spark plug wet. Choke pulled out, power on. Oil OK. released pressure in line. Where can I down load a Honda Engine manual! Thank you !

Jul 06, 2010 | Karcher 2500 PSI Pressure Washer

2 Answers

I have a proforce 2500 watt generator and it cuts out is this caused by low oil? if I change oil how much does it get?


Low oil doesn't usually make engines cut out. Clean the air filter, change the plug and wire. If this doesn't help then I think you're looking at a carb. problem. Probably just clogged jets & ports. It's very common on small engine carbs. It shouldn't take more than 2 quarts of oil. Probably not even one.

Nov 30, 2009 | Coleman Powermate Proforce 6,000 Watt 12...

1 Answer

When I squeez the handle the pressure surges.


Hi:
The first thing i would do is be sure there is not a partial blockage in the nozzle.

Sep 24, 2009 | Karcher 2500 PSI Pressure Washer

2 Answers

I have a problem with my karcher 2500 pressure washer with honda engine it will not start or stay running. I have used starting fluid to start it it starts but won't stay running.


Carb is mostly likely gummed up and should be cleaned. Best option is to dismantle the carb and soak in solvent or equivelant for a couple hours and replace it. Our use Gum Out. Do make sure you have a good spark plug and a strong spark. If you have a fuel filter, then replace it. Check intake filter as well

Aug 05, 2009 | Karcher 2500 PSI Pressure Washer

1 Answer

Where is fuel filTER


Hi:
There is only one line (tube) that goes from the gas tank to the carb. If there is a fuel filter it will be on that line. To check if it is plugged just pull the line off where it attaches to the carb. If you spill gas, that is not the problem. Replace the line and be sure to clean up the gas. Sounds to me like a carburetor problem, though.

Jun 30, 2009 | Karcher Quick Connect Nozzle Set

1 Answer

Pressure washer that leaks oil through the air breather


Most likely your air filter is plugged or dirty, or the crank case vent valve needs to be cleaned.if it still does it check that the oil level is at the full mark, if overfilled it would cause the same problem.

Jun 22, 2009 | Karcher 2500 PSI Pressure Washer

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