Question about Karcher 2500 PSI Pressure Washer
Washer started to pulse really quite badly.
a blast of water every 1 - 2 seconds.
eventually washer stopped alltogether.
only 3 - 4 years old
and only used 1 - 2 -times a year
SOURCE: Karcher K2.94 Overheats
Well, there is a switch inside. It is controlled by the valve that allows the pump to go into bypass when you let go of the trigger. This switch may be worn out or the valve that controls it is sticking. It may also be that your motor is just worn out. There is a heat sensor inside the motor (you cannot get to it) that sometimes wears out and trips too easily.
Posted on Jun 23, 2009
This can happen if the head of the pressure pump has split. You may need a new head, and to stop this happening again, tie the rigger open with a zippy tie. The water will run all time now and automatically bleed any air form the system. When you want pressure, turn it on at the main switch. This will prevent hydraulic hammer, (when you pull the rigge)r, which is what causes the head to split.
Posted on Mar 28, 2010
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