Question about Psi Blue Max 2200 High Pressure Gas Power Washer

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Flow Rate Question

What is flow rate?

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The flow rate in litres per minute (or litres/hour) is a very important measure of the cleaning ability. DIY machines commonly have flow rates as low as 6 litres/min. Heavy-duty industrial units vary from 10 to 40 litres a minute.

Posted on Aug 27, 2008

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High -pressure. & high flow rate weaker & not as good anymore


Water leaking from bottom of pump? Any leaks in hose connections? Water leaking from thermal relief? Water getting into crankcase? Motor running slower ? If none of the above check valves and/or unloader valve is your problem.

Oct 01, 2014 | Garden

2 Answers

Karcher 2.56 keeps pulsing on and off whenever high pressure nozzle is attached. I have tried different nozzles and same thing is happening. when i press the lance without any attachment it works fine


If this PW has never worked properly -- it is possible that the seller sent the wrong pressure nozzles. All pressure washers have nozzles that are matched to the flow-rate and pressure of the machine. If they sent Nozzles that were really supposed to be for a machine of lower flow rate (smaller orifice nozzle) this would cause exactly the problem as you are describing it. This is because the electric motor does not have sufficient horse power to force the xxGPM out the smaller hole, so the motor surges and stalls, repeatedly.

Another possibility: Try a different electrical plug outlet. It is possible that the motor is not able to draw enough current from your plug. Sometimes older house plugs, because of the way they are installed, will not provide a good, solid 15 amp circuit like it should. As the motor comes under a load (i.e., when you install pressure nozzle) it draws more current to feed the work. So try a different plug and be sure it's on one of your circuits that is not loaded with other household items like the refrigerator, microwave oven, etc. The little washer all by itself will pull close to 15 amps, which is the max capacity of older home circuits.

Last, Look for the unloader valve. This is device that allows the water to go into a by-pass loop when the trigger is not pulled. It sounds like the unloader could be out of adjustment. Counter-clockwise will lighten the spring / Clockwise will tighten the spring. Toy with different adjustments -- ccw 1 complete revolution/test for improvement. Repeat. (it should have a plastic handle on top of it that can turn either direction. But look at it first, as there may be a "set" nut holding in one place.)

Mar 03, 2012 | Karcher Garden

1 Answer

Hi iv got 2 dirtblaster lance both doesn't work but does in friends whats the problem


those rely on "flow-rate". The oriface is sized for a certain flow-rate so it may be that your washer does not produce enough flow -- but your friend's washer does. Flow-rate is typically measured in GPM or LPM. With most of the commercial makes (brand), you can buy a rebuild kit and size it smaller than the original, causing it to match your pressure washer's flow-rate. To do this, however, you would need a vender to figure out which make it is -- then, if he knows the flow-rate, he can reference the orifice size and sell you the proper rebuild kit. You can expect those to cost between $20 and $40, generally.
Don

Feb 28, 2012 | Garden

1 Answer

Where would I find availability of parts in QLD Australia to suit a pressure cleaner 3200 psi coupled to a Briggs & Stratton motor pressure washer number 020225-0 part required chemical injection kit...


Wayne,

Any Pressure Washer dealer should be able to sell you what is called a "Down Stream Injector". What you need to know is the flow rate. Like, at low pressure, see how many Gallons/Liters Per Minute actually comes out the wand. That is what the seller needs to know in order to sell you one the proper sized internal orifice. Also, you need to know that these devices only **** chemical at low pressure. They make special tips and/or wands so you can easily revert to low pressure to apply your cleaning chemical. This stuff is generic. It will come with standard pipe threading. Close is good enough on "flow-rate". Just use a bucket or something and get a reasonably close estimate.

Feb 22, 2012 | Briggs & Stratton Garden

2 Answers

Why does my washer start with a forcful stream and then cut doyn to minimum flow ?


Check for kinked or clogged water supply hoses(s). Be sure to make sure that if there is a screen-like filter in the supply hoses or at the inlet on the wash machine, that it is clear.

Shut the water supply off. Start the washer to fill on warm wash / rinse to relieve the water pressure in the hose. Shut off the washer. Unscrew the hose connection from the washer and direct both hoses into the washer tub (or other container). Turn the water supply on. Both hoses should discharge water evenly and forcefully, then shut the water off. If the flow was uneven, slow or poor - clear obstructions in / or replace the hose(s). Next, inspect the water inlet on the washer. Clear any obstructions, dirt, etc. Reconnect the hoses and try again. If flow is still lacking, there may be obstructions in water lines or valves INSIDE the machine.

I hope this helps - please rate my reply. Thanks.

May 06, 2011 | Craftsman Garden

1 Answer

What is the flow rate of a milk product pump


More information!

what is the size of the inlet hose the outlet hose etc and what has milk to do with pressure washing machines?

We are not here to do your homework and guess the rest of the information. Contact your teacher for help

\Please rate my help++++Thanks for using FIXYA

Jun 03, 2010 | Garden

1 Answer

New pressure washer has started and ran for about 1.5 hours. After it ran out of Gas, refilled and now it runs for about 2 min then stops. Its the same gas that was used when it ran for 1.5 hours. Any...


New machine... there are a few of things to check.

First off re-check the engine oil level. The engine has an oil level sensor and will shut off the engine when it senses a low oil level.

Then with the FUEL SELECTOR "off" remove the fuel hose to the carb. Using a catch container check the fuel flow when the fuel selector is turned "on". It should be a very rapid rate.

If you do not have good feul flow check the filter / filter bowl for debris. If nothing is discovered and you still have poor fuel flow check the fuel tank outlet port.

FUEL FLOW to carb is good Symptom persists

FUEL SELECTOR OFF

Remove the fuel float bowl and check for debris. There is an orifice jet in the bottom of the carb assy that gets clogged. Also take a look at the bowl nut for debris and clean as necessary.

Again using a catch container turn on the fuel selector with the float exposed. Fuel should flow rapidly with the float down and stop as you GENTLY raise the float to level. If it is still slow there is debris in the float needle seat and it will have to be cleaned out.
Fuel selector OFF
Reassemble / install the float bowl and test.
Fuel selector ON
Test for proper operation

Thanks for using FixYa,

Kelly

May 02, 2010 | Psi Blue Max 2200 High Pressure Gas Power...

1 Answer

Honda motor only runs with choke fully on.


Lets back up and regroup on the carb cleaning.

Before you start.... if you have a digital camera take "close up" PICTURES of the linkages and springs attaching to the carb. If this is your first time you will be so glad you did. You can always delete them later if you don't need them. :)

Here is what you need to do:

1. Fuel selector off
2. Remove float bowl mounting screws and nut
3. Remove the BRASS Jet / Orifice in the very bottom of the venturi tube inside the pickup tube. (Flat blade screwdriver) Hold the Orifice up to the light. You should see a pinhole. If it is not clear clean the orifice but do not force anything through the hole.
4. Underneath the Orifice there is yet another BRASS tube that you need to remove. (Flat blade screwdriver) Make sure all of the holes in the tube are clear. The tube will be over 2 inches long. Clean it and reinstall it.
5. Reinstall the Orifice.
6. Using a catch fuel container turn on the fuel selector. Fuel should flow at a good rate. GENTLY lift the float assy level and make sure fuel flow shuts off. When you drop the float again fuel should flow.
If you do not have fuel flow at this point the needle and seat will need to be inspected. Fuel selector OFF.
(The following procedure is to be done only if there is no fuel flow with fuel selector on.)
a. Remove the silver float pivot pin retaining screw
b. Drop the Float down (The needle will come off with the float. NOTE the position)
c. Inspect the tapered rubber of the needle If should be pointed. If it is not pointed then the rubber tip is stuck inside the seat.
d. Clean the seat hole ONLY if obstructed. (Easily damaged)
e. FUEL Selector on then off fuel should rapidly flow through the needle seat.
f. Renistall Float and needle making sure to get the pivot / hinge pin installed correctly and reinstall the silver retaining screw.
g. Fuel selector ON. Raise and lower float checking for free movement with fuel flow when lowered and stopped when the float is raised level.

NOTE if fuel does NOT stop when float is level you will need to bend the float tab (tab up if level is too high or tab down if level is too low) where the needle attaches to the float assy until it does.

7. If there still is no fuel flow at this point remove the fuel hose from the carb and check fuel flow. If no flow check that gas tank exit hole, fuel filter (if installed) and the selector valve assy for obstructions.

Reassemble connections.

FUEL FLOW IS GOOD

Step 8 is VERY important"

8. BEFORE you install the float bowl inspect the bowl nut. There are 2 holes in the side of the nut where it screws in to the bottom of the carb that must be clear.

9. Install Float bowl mounting screws and nut. Check for leaks.

10. Test engine.

That should do it.

Thanks for using FixYa.

Kelly

Final note... if it does NOT start after this there are other problems we can discuss. i.e compression and spark "how to."

Apr 22, 2010 | Karcher 2500 PSI Pressure Washer

1 Answer

Engine wont stay running unless i put my hand over carb then it stay runnin cleaned carb gas is flowing fine engine is on a morta mixer


Hi and welcome to FixYa. I am Kelly.
When you said you cleaned the carb did your remove the float bowl?
Here is what you need to do:

1. Fuel selector off
2. Remove float bowl mounting screws and nut
3. Remove the BRASS Jet / Orifice in the very bottom of the venturi tube inside the pickup tube. (Flat blade screwdriver) Hold the Orifice up to the light. You should see a pinhole. If it not clear clean the orifice but do not force anything through the hole.
4. Underneath the Orifice there is yet another BRASS tube that you need to remove. (Flat blade screwdriver) Make sure all of the holes in the tube are clear. The tube will be over 2 inches long. Clean it and reinstall it.
5. Reinstall the Orifice.
6. Using a catch fuel container turn on the fuel selector. Fuel should flow at a good rate. GENTLY lift the float assy level and make sure fuel flow shuts off. When you drop the float again fuel should flow.
If you do not have fuel flow at this point the needle and seat will need to be inspected. Fuel selector OFF.
(The following procedure is to be done only if there is no fuel flow with fuel selector on.)
a. Remove the silver float pivot pin retaining screw
b. Drop the Float down (The needle will come off with the float. NOTE the position)
c. Inspect the tapered rubber of the needle If should be pointed. If it is not pointed then the rubber tip is stuck inside the seat.
d. Clean the seat hole ONLY if obstructed. (Easily damaged)
e. FUEL Selector on then off fuel should rapidly flow through the needle seat.
f. Renistall Float and needle making sure to get the pivot / hinge pin installed correctly and reinstall the silver retaining screw.
g. Fuel selector ON. Raise and lower float checking for free movement and fuel flow.

7. If there sitll is not fuel flow at this point remove the fuel hose from the carb and check fuel flow. If no flow check that gas tank exit hole, fuel filter (if installed) and the selector valve assy for obstructions. Reassemble connections.

FUEL FLOW IS GOOD

8. BEFORE you install the float bowl inspect the bow nut. There are 2 holes in the side of the nut where it screws in to the bottom of the carb that must be clear.

9. Install Float bowl mounting screws and nut. Check for leaks.

10. Test engine.

That should do it. (Honda carb cleaning 101)

Thanks for using FixYa.

Kelly


Apr 08, 2010 | Honda 8 HP Engine

1 Answer

Shut off while pressure washing


Hi and welcome to FixYa. I am Kelly

Most likely the JET orfice in the bottom of the carburator venturi throat is clogged. I am assuming you have a 5.5 Hp Honda motor but even if it is not the procedure is the same.

1. Turn off the fuel supply selector

2. Remove the float bowl by taking out the mounting hardawre. The nut / cap screw on the very bottom of the float bowl has holes in it. Make sure they are clean.

3. Remove the "Brass" JET from the bottom venturi tube and clean the orifice. You should see a pinhole of light through the hole when it is clean.

4. Remove the venturi tube just above the jet that is also brass. The throat of the venturi tube and the 2 side holes must be clear.

5. Use something like a spray paint can lid to catch fuel and then briefly turn on the fuel supply. The fuel should flow at a good rate though the float needle and seat assy. GENTLY lift the float to the raised positon (level) and confirm fuel stops. Then loet it lower again noting fuel flow. TURN OFF THE FUEL selector. If you do not get any fuel at this point check the bottom of the fuel tank for obstructions at the tank outlet hole. Once you have verified fuel flow.

6. Reinstall the venturi tube

7. Reinstall the jet

8. Reinstall the float bowl making sure upper and lower gaskets are in place.

9. Turn on the fuel and wait one minute (check for leaks)

10. Start the unit.....

(Complete)

Thanks for using FixYa.

Kelly

Mar 23, 2010 | Northstar Pressure Washer 3000 PSI

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