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I have 2700 pressure washer will not build pressure and just replaced manifold, motor runs good but does not rev up when pulling the trigger for pressure

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Check pressure relief valve. may be set too low, or broken.

Posted on Apr 10, 2015

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: honda pressure washer cuts out when lance trigger released.

You most likely need to set your valve clearances. If it is hard to pull over or the recoil snaps back after starting your valves need to be set for sure. This may not be the entire problem but it is a good start. Also change the spark plug, a bad plug will cause odd problems and is too cheap not to eliminate as a source. In addition check your fuel, pour a little out into a white container (I like spray paint can caps for this) and look at the color. If it is yellow to orange it is bad. You can pour it into you car, the car electronic sensors will compinsate for it quality but a small engine can't. Use a NGK BP6ES or BPR6ES plug.
You need:
Feeler gages
10mm open end wrench
14mm open end wrench
1 long shaft screw driver or rod
1 spark plug socket and ratchet

Remove the spark plug and the valve cover. Pull the recoil over slowly until the intake valve opens (intake is closes to the carb and it will go down when it opens). Now put your long screwdrive down the spark plug hole. Slow pull the engine over until the screwdriver handle is at it highest point, this is top dead center. It may take a few attempts. Now check your valve clearance between the rockers and the top of the valve. The intake should be .006 and the exhaust .008, both can be +/- .001. To adjust: hold the large nut with the 14mm then loosen the small one with the 10mm. Lefty loosey. Now turn your large nut until you get the correct setting and then tighten the small one the lock it in. It may take a few attempts and alway reverify your setting after you lock it down. Once done, find top dead center again and reverify. Now your valves are set.

Posted on Mar 31, 2009

  • 10 Answers

SOURCE: pressure washer stalls out when wand nozzle is released

common for not starting unless trigger engaged as you are turning the pump as well as engine creating pressure,as for stalling pump has unloader valve which is probably in need of grease(use good silicone grease)this allows water to ciculate when trigger released.

Posted on Apr 20, 2009

  • 15 Answers

SOURCE: builds up to much pressure in hose and stalls engine

Sounds like the unloader is not working. try replacing it and see if that helps.

Posted on Apr 23, 2009

  • 1 Answer

SOURCE: Karcher K3.91 compressor run for a few seconds every 10-15 second

They have a problem. I removed both valves and lubed with lithium grease as I was told. Unit is now working for how long who knowes.

Posted on May 19, 2009

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I switch the pressure washer on motor starts pressure builds up motor stops. OK pull the trigger on the lance the moter starts sounds different water pressure low. Release trigger motor still runs.


It isnt very clear your explanation of the problem but what type washer do you have first? It sounds like you have a bad unloader or need a new variable nozzle tip. Can you explain in more clear detail. Thanks

Feb 16, 2015 | Garden

1 Answer

How to set a high pressure unloader valve on a FAIP 1500 H120 washer


Are you talking about the electric switch that shuts off the motor when the trigger is released?
If so, there is an arm that comes out of the high pressure side of the manifold and is connected to a spring loaded piston. The piston extends under high pressure (spray trigger released) and retracts when spraying. At the opposite end of the arm is an allen screw and locknut. The allen screw bears on the microswitch arm to control the electric motor. When properly adjusted, the motor should turn off when the trigger is released. If it doesn't, loosen the locknut and adjust the allen screw slightly outwards toward the switch. Pull the trigger a few times and verify the motor starts up and shuts down when you release it. Tighten locknut.
Hope that helps.

Jul 11, 2014 | FAIP 1500 PSI Electric Power Washer

2 Answers

Honda 160 homelite pressure washer 2700 psi no pressure


Water comes out the nozzle, but low pressure? ( more than when the motor is not running)
I would check the check valves and the unloader.
If the amount of water coming out the nozzle is the same when the motor is running or not running.
Either the key that connects the motor shaft to the pump shaft is sheared, or the pump is trash.
No water comes out the nozzle would indicate a clogged inlet filter or blockage at the gun valve or nozzle.

May 05, 2014 | Homelite Pressure Washer. Honda 2700 psi...

1 Answer

Pump will not unload.


Hi if it stop when the trigger is pulled the issue is with the motor.
stopping is caused by , low revs on motor or low compression or poor spark, sometimes faulty carby.
change spark plug , adjust valve ( when valve has some slight side movment it is ok if up and down , it should be tighter (valves usually under side cover near top ) increase revs a little ( make sure revs dont get rough when running high) set max revs to when the engine still runs smoothly at max.

Mar 30, 2014 | Delta Model DT2400CS Pressure Washer 5.5HP

1 Answer

Won't stay running


Pressure washer when you first try to start them that stop underload. We had the same type of problem with 11 hp Honda if you hold the trigger open the motor will be under less load we found by running the motor for about a minute it would work normally. Remember to make sure the water hose is turned on pull the trigger on, until water is coming out of the wand , now try and start the motor but also hold the trigger open, now you will not be building maximum pressure, after about a minute release the trigger and see if it keeps running.

Feb 19, 2011 | Briggs & Stratton 2200 PSI Gas Pressure...

1 Answer

I have a hoda pressure washer it stats right up and while i was cleanning the wood fence i let go of trigger during about 10 min, and the motor started dying i pulled the trigger and it pick right up again...


A couple of things, what makes the engine change tone and revs is pressure, depending on the age, it may have excessive calcium build up in the pump, there may have also been a build up of crud or a wasps nest in the end of the hose when you connected and is now in the actual pump, you can remove the base and flush the sytem, hope this helps the problem, good luck.

Jun 01, 2010 | Devilbliss DeVILBISS Devap DVH2600...

1 Answer

Hi i have inherited a karcher kb9040.it has only been used 4 or 5 times so i dont realy know how it should sound when. water is suplied to it it surges when you pull the trigger you only get the presure of...


hi there!
when you got as good as pipe pressure,you need to accelerate the speed motor to have a good pressurise water for your purpose,the pressure washer has a surge regulating valve as you trigger water gun the pressure blow up,as long
as you pull the trigger on the pressure build up pressure it has also equipt with pressure switch to regulate pressure and for safety purpose.you can also adjust the nozzle by rotating gradually to slim the pressure water out put.have a nice day,don't forget to rate me.thank's

Apr 20, 2009 | Garden

1 Answer

Mi TM 2700 pressure washer has no pressure.


With the water on, to the washer and the unit running. Does the water come out at the same rate before the trigger as at does after the trigger (run test with spray nozzle removed). Its not impossible for unloader valve to be bad but it usually is a dependable component. Make sure the unit has the air purged from it properly before start-up, make sure there are no obstructions before the trigger, then the nozzle. The unloader valve just puts the pump into by-pass until the trigger is depressed.

Apr 10, 2009 | Mi T M WP-2700-4MHB Pressure Washer

3 Answers

Powermate pressure washer Model PW0872400


pressure washers has this pressure switches where in as you press on the trigger, the washer works and if you release it, the pressure would build up high and it would trip this switch to turn off the motor or deflect the water to the by pass hose ( if the motor is not stopping) then as you press again the trigger, water should come out of the gun again but would not,

i have encountered the problem is in the pressure switch, even the pressure went down, sometimes it wont close the contact then the motor wont run ,

if the motor is continously running, then the trigger switch is the problem, the pressure excerted on the switch is so high that even if you press it , it won't open up to release the water.

what i can suggest is to tie the trigger in the gun so that it is always pressed and then just unplug the unit if you want to stop using it. it is an inconvenience but it will work.

or, open the gun and see if you can figure out why pressing the trigger would not open the switch.

another option is you can lower the pressure of the washer if it has an adjustable pessure controller. by lowering the pressure might open the switch when ever you press the trigger.

i hopw i was able to fix...

good luck,

drcool

Aug 21, 2008 | Coleman (100076) Compact Refrigerator

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