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Ivan Garrett Posted on Mar 15, 2012
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Leaking pump protector valve in a Landa SEA series pressure washer

I need to order the part

1 Answer

Anonymous

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  • Expert 97 Answers
  • Posted on Mar 15, 2012
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Joined: Jul 18, 2011
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"Protector Valve" could mean several different things. There is "pop-off" safety pressure relief valve and there is a "Thermal Relief Valve". Your pump could be protected with both, or only one of these. A pic would nail it down quickly.
Don

5 Related Answers

Anonymous

  • 3 Answers
  • Posted on May 23, 2009

SOURCE: karcher k2400hh pressure washer, water pressure cuts out.

Hello cikanek:

Try this:

From your posting, I assume you have removed the splash cap and the nylon bypass valve cover. Connect the water supply to the pump and connect the high pressure hose and wand to the pump outlet. Wad up a small towel and place it over the bypass valve opening to catch the valve insert when it pops out. With the engine throttle closed, pull the starter cord several times to see it the valve insert will pop out. If it doesn't come out after two or three pulls, set the throttle to low and start the engine. I have performed this procedure a number of times and the valve insert always pops out. There is no real danger of the valve parts getting seriously airborn since the actual pump output volume is very low (2.5 Gal/min).

Good luck,
Ed

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Anonymous

  • 97 Answers
  • Posted on Aug 10, 2009

SOURCE: landa pressure washer manuals

send them an email at [email protected] or contact them directly at 800-526-3248 for more info specific to your model which was not listed above. hope this helps you

Anonymous

  • 56 Answers
  • Posted on Jan 02, 2010

SOURCE: I need to buy a pressure washer for residential/commercial work

Were I to pick from one of those three, I would pick the Landa. The most reliable pumps are Hotsy and since Karcher bought Landa and Hotsy, those three brands now have Hotsy pumps, though it doesn't say it on the machines.

Anonymous

  • 2841 Answers
  • Posted on Jan 06, 2011

SOURCE: I am looking at buying

It has quite allot of hours on it so it has been used extensively. 283 hours on a pressure washer pump is about 27% of it's life expectancy. The good news is that it has a Honda engine. If it runs perfectly, looks like it has been taken care of, and has plenty of pressure, I would pay no more than around $400 for it tops. You are the buyer and the seller is wanting to sell. You have the upper hand in this deal. Offer $300 and then bargain.

Anonymous

  • 45 Answers
  • Posted on Feb 14, 2011

SOURCE: i have a landa hmp-4-3500 heated pressure washer

Landa does not have a model HMP so I am not sure which machine you have. If you can provide a full model and serial off of the model tag on the machine I can provide you with a digital copy of the manual you are looking for.

Sincerely,
Aron Kerr
Landa Northwest
www.landanw.com
800.247.8103
503.255.6508

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What type of pump oil does the landa pressure washer use

to get this answer it is simple , google landa pressure washers then look for your model number and that shall tell you the exact oil you need
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Landa pressure washer LT 4035-4000 psi. Why is it losing pressure and continually pulsating?

If the pump is pulsating rapidly most likely valves are leaking or debris under valve keeping one or more from closing. If the pump pulsates slowly, comes up to pressure then low pressure then repeats, problem is pressure regulator /bypass. Or you could have a combination of both. Try lowering the pressure to lowest setting to see if slow pulsation stops. As parts age within pump and debris hinder operation you can no longer operate at full pressure. To make the pump last, use highest pressure as needed and everyday work using only 60 to 75 percent of capacity.
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The engine will start but I'm not getting enough pressure when I press the the sprayer gun. Water is coming out but no pressure. Not sure what to do.

This can be caused by three different components. Either your unloader valve has failed, your valves have stuck open in the head of the pump or your water seals are worn. If you get an initial jolt of pressure when you squeeze the trigger then we know the problem lies in the unloader valve and you will need to purchase an unloader valve repair kit. If not you will more than likely have to replace the valves and seals in the pump.

Sincerely,
Aron Kerr
Landa Northwest
www.landanw.com
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Low press output not like when new

The pressure drop on this unit is normally caused by failing water seals in the pump. In order to repair it you will need to purchase a repair kit for the pump and rebuild it. The part number for the kit is 9.011-852.0. If you would like to purchase it we have it available and are a Karcher certified repair facility. Order by visiting www.landanw.com or calling 800.247.8103.

Sincerely,
Aron Kerr
Landa Northwest
www.landanw.com
0helpful
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No pressure, the inlet filter is clean, all hoses and connections are tight, oil levels are correct, hose size to pump is correct with no kinks. Has the pump gone?

In this case it sounds as though either your unloader valve has failed, the water seals have failed or the check valves in the pump need replaced. Unfortunately there are no tests that can be done on this unit to verify which component has failed because it uses an integrated unloader valve. The only way to tell which component has failed will be a visual inspection of the internals of the pump by a trained service technician.

Sincerely,
Aron Kerr
Landa Northwest
www.landanw.com
1helpful
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Dont get correct pressure. What type of oil do i

A loss of pressure on this type of washer is normally caused by failing water seals and check valves in the pump. You will need to replace both of these using a pump rebuild kit that will be available by contacting the manufacturer of your machine. The pump oil used will be 30W non-detergent.

Sincerely,
Aron Kerr
Landa Northwest
www.landanw.com
0helpful
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I have A LANDA PRESSURE WASHER (ZG3-2000) Problem is lack of pressure.

Because the ZG series uses a bolt on unloader it is a little difficult to properly test your machine. What you will need to do is completely remove the unloader valve and then hook your garden hose directly to the inlet of the pump (the 1/2" port on the bottom of the head). You then need to hook your high pressure hose to the outlet port (the 3/8" port on the top of the head). What you have done is bypassed the safety relief valve on the pump. Now you need to tie open the trigger on your trigger gun so that it can not shut. If it shuts while the machine is running you will damage your pump. Now fire up the machine. Let it run for a few seconds then shut it off.

If you had full pressure during this test you have a failed unloader valve and will need to replace it. If you did not your problem lies inside the pump and you will need to rebuild it. On a ZG you can expect the unloader to cost around $100 and the pump rebuild parts to be around $150. If you need further assistance or parts please feel free to contact me using the information below.

Sincerely,
Aron Kerr
Landa Northwest
800.247.8103
503.255.6508
www.landanw.com
Oct 06, 2010 • Garden
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When chemical injector is attached, it works fine. When I put one of the power tips on, I do not get any pressure.

When using the chemical injector your machine is only having to operate under low pressure. This means that your pump only has to transfer water and does not have to compress it. When you insert a pressure nozzle you cause the pump to have resistance and therefore it has to compress the water to make pressure. If you pump seals or valves are worn the pump cannot build this pressure. You need to either rebuild your pump yourself or have it looked at by a service center. If you have any other questions or need parts or service please feel free to contact me using the information below.

Sincerely,
Aron Kerr
Landa Northwest
800.247.8103
503.255.6508
www.landanw.com
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II lost High Pressure while washing I laid the gun down the time cut it off aand I reseted it and had no high pressure I removed the pressure adjuster and noticed it was rusted I cleaned it and replaced it...

The pressure adjuster you are talking about is actually your unloader which is a pressure relief valve. It is normal for this to pop up and down as it moves in and out of bypass mode. Your pressure issue could be a failed unloader, valves or packings in the pump. You will need to bypass your unloader valve to find if the issue lies in the pump or if it is simply a failed unloader. If you have any questions, need parts or service, please feel free to contact me using the information below.

Sincerely,
Aron Kerr
Landa Northwest
800.247.8103
503.255.6508
www.landanw.com
2helpful
1answer

Low pressure and pump pressure adjuster makes no difference

Replace the pressure adjuster and everything will work. When you lose pressure and the adjuster is not adjusting to allow more or less then you need to replace it. It has a valve in there that is most likely broken and the valve is not opening and closing anymore.

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