2500 PSI Pressure Washer

Experienced gardeners share their insights in answering this question :
The pump key was gone and the shaft was torn up so had to get new pump.

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There could be small leaks, holes, or tears in your garden hose or high-pressure hose that are causing your pressure washer to lose pressure when you pull the trigger. If you find leaks, plug the holes or replace the hose, which should solve your pressure issues.
Surging Pressure Washer Troubleshooting Tips

This can be confirmed when the trigger is released and the pressure builds back up to a normal level. It is telling the operator that the water supply does not meet the pump`s recommended flow rate.

If your power washer is leaking water directly from the pump, and there is no noticeable damage (such as a crack) on the pump, it is likely that the internal piston seals are worn or broken. The pump has pistons inside of it that create pressure to pull the water from the intake and force it out of the nozzle.
Water leaks and inconsistent behavior are also signs of a potential failure in the near future. González: The typical signal when there is an unloader malfunction is a reduction of flow through the nozzle, which results in pressure loss. Dean: Typical symptom of an unloader failure is a sudden smooth pressure loss.
The hoses that connect these machines to the faucet often fail when exposed to extreme heat, cold, or moisture. Discoloration, cracking, or hardness occurs in excessively hot or cold temperatures. High temperatures can cause the hose`s rubber to harden and crack; and as temperature increases, pressure ratings decrease.
One cable tie around the drain pipe, one around the hose, and one linking the other two, Put all three in place, tighten the two around the hose and pipe, and tighten the linking cable tie just enough to keep the hose in place but allow a little movement. You can generally get 10″ cable ties at the dollar store.
Overflow Tube Leak

If you have a leak at the front of your top-loading washer, this usually means you have a clogged or tilted overflow tube. This can happen from using too much detergent or incorrectly combining laundry products. If your home has soft water, keep in mind that less detergent is needed for cleaning.

It damages your equipment, causing you down time and costly repairs. Hard water is particularly damaging to pressure washers, and can shorten their life expectancy. Scaly deposits form inside the pressure washer heating coils, reducing the flow of water and minimizing the heat exchange.
If the machine is pulsing whilst in use, it may be that the accessory you are using has a blockage. Clear by soaking the accessory in warm soapy water and then rinsing out under the tap.
DON`T Let the Machine Run Too Long Without Pulling the Trigger. Pressure washers operate under pressure, and that pressure needs to be released by pulling the trigger. If you let the machine run for two minutes or longer without spraying water, then you could damage the pump.
When the air pressure inside the compressor`s tank reaches the pressure switch`s cut out pressure (the point when air is no longer delivered), the switch automatically trips off and interrupts the power supply to the motor. This process causes the unloader valve to open and vent the accumulated air.
How Do I Tell If My Unloader Valve is Bad? In most occurrences, the first symptom of an unloader valve going bad is no pressure from the wand when the trigger is pressed. This happens when the unloader valve gets stuck open and does not allow water to enter the hose and trigger.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

Need help in getting Honda engine on NorthStar pressure washer to run.
ANSWER : Could be low water pressure I have found.Also, I purchased a can of “stuff” at Lowes today which allows you to circulate a liquid substance which lubricates the pressure pump….the pump could be frozen up…I have a rotating nozzle which I bought…and it had frozen up…this stuff works

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1750 psi Electric Pressure Washer: My pressure washer is losing pressure and is pulsa…
ANSWER : If the pressure washer is pulsating then that is a sign of check valve failure. You may be able to clean of replace the check valves. Replacing the head is the wrong way to go. This is completely unnecessary. If you can tell me the model number of your pressure washer then I can assist you better in pointing you in the right direction.

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Kranzle electric washer will not suck up soap
ANSWER : Hi, if it has a chemical injector on the machine then the pressure at the lance will have to be lowered for it to pull in soap. it works on a similar principle to how carburetors on cars pull in fuel, bernouli principle. high pressure at one side of an orifice going to low pressure at the other side which causes a negative pressure ( vacuum) which should pull in the soap. there should be a non return valve at the orifice (hole) which prevents the water back feeding into the soap container, it is quite common for this valve to get stuck, it is just a ball, spring and o ring , and the ball sticks to the o ring. if it is this system then take the soap pick up pipe off the injector and just push the ball off it’s seat with a bit of wire.If it is a high pressure soap system then that is different, but they usually work with an injector in my experience.try taking the high pressure hose off the front off the machine and running it, if it has an injector on it it should pull in plenty off soap.hope this helps ,andy

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Has no pressure, builds up when not holding trigger on gun, but when i press trigger shoots of with pressure the nothing just water comes out.
ANSWER : Bad pump

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My electric stea pressure washer wont ignite burner
ANSWER : There can be multiple problems with the burner.

Here is a link to a page for troubleshooting burners.

link

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Starts great and sprays great, but will not continue to run when [ stop spraying. It locks up until I release the pressure from the gun.is there a pressure by-pass adjustment I can make?
ANSWER : Tune up motor, replace air filter/spark plug and oil.

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No pressure Pump reassembly. I purchased a new pump and installed it. Got machine back together and I’m not getting any pressure. What would be the signs if I don’t have the shaft key in properly? Or any other suggestions?
Water comes out of nozzle with pressure for a quick second then no pressure, just water. This is a brand new pump so was curious if I installed it wrong. Wondering before taking it apart again.
ANSWER : No pressure would be a sign that the key was not in properly.

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Honda powwer boss 3000-whenyoupull the handale to spray it kills the engine
ANSWER : Sounds like the unloader (regulator). Try removing the nozzle, the pull the trigger with the engine running. If motor is still running then it could be the Unloader malfunctioning. If you require a new one try a bypass system for the unloader. The bypass will help save the life of the unloader.

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