Question about Karcher Garden
Good pressure for rinsing but won't send up detergent
Onl use low pressure nozzels to pick up detergent, high pressure creats too much bck pressure
Posted on Apr 21, 2014
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Posted on Jan 02, 2017
It will only pick up detergent if you use a low pressure detergent nozzle - or no nozzle at all. It also takes a while for the detergent to get to the nozzle.
Posted on Nov 19, 2007
I have the same problem. With mine I have to remove the tip that I am using then pull the trigger and then replace the tip and pull and pressure should return. I believe that one of my valves is sticking causing me to reprime the pump frequently. I am trying to clean or replace my valves to fix the problem.
I hope this helps.
Posted on Apr 25, 2009
Your machine is still good. You have to remove the 4 screws that are holding the head unit. The head unit consists of 2 parts. The outer part has Intake of water and delivery of water under pressure. It has an injector. It also has the chemical inlet attachment. This Detergent inlet valve can be replaced by a new one. (The bottom part of the head has the suction and delivery valves.)
Now this unit of 2 heads is held down with a steel cover. First release the holding down bolts( they could be allen screws or Torx Screws). If the inlet valve for the chemical is still good and t is turned 90 dgrees, twist it slowly to be alligned with the slot in the metal cover. But if this is broken, just remove the metal head and then remove by twisting,..the detergent inlet..(which is also a non return valve).
Carfull if you seperate the top half of the head from the bottom head...because underneath there is a smal spring and a small valve. Do not lose these.
Now if the machine has no pressure..change the bottom half of the head. If the machine is switching on and off...change the upper half f the head. Do not forget that small spring between the 2 heads If where the inlet for detergent in the head is cracked..this top head must be renewed for this reason also.
If all is OK...but only the inlet..where the detergent is broken....remove slowly the detergent inlet, by twisting a little,....and replace by a new one. First see that you have the NEW inlet of detergent before doing anything . Because if you do not find to buy a new on....and there is no damage to the upper head...you can continue using the machine,...but with out having detergent. It is better using it without detergent than throwing the machine away. One final hint. Try the machine with the plastic cover removed,..so to see if there are any leaks or cracks in the head unit.(wear safety gogles). If only the inlet for detergent is broken and no water is escaping from it or the head,...buy a new inlet detergent valve. If you do without detergent and you cannot find to buy a detergent inlet valve,...just close the machine and use it without detergent. When myself I service such machines...I change the whole head unit and detergent valve. Then the machine will be as good as new. And the spares are not that expensive. Better than buying another machine.
Posted on May 25, 2009
SOURCE: hi ive got a karcher
This seems strange, as it is under warranty you can take it back or contact them about the situation. It depends were you purchased the machine but if it is a manufacturers fault they will fix/replace it.
Posted on Jan 17, 2011
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