Question about Garden
Karcher 2.180 worked fine an hour ago. Connect elsewhere and no go - motor won't run. Pressing the trigger on the lance lets the tap water flow through so hose is not blocked. It is a hot day, but I purged sun heated water out of the hose first. Tap water pressure is rather high where I am too in case its relevant. Took a multimeter to the to contacts inside (with power disconnected of course) - on the input side of the switch there is continuity on each wire from the plug end to the input contacts. On the output side of switch there is no continuity on either contact relative to input contacts no matter which way the switch is turned. Is it possible the pressure part of the switch is not operating (unloader stuck?) or is the electrical contact of the switch stuffed? Is there some easy way I can test for either condition without pulling it further apart? Is there some simple way to unstick the unloader so I can check that first?
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Posted on Jan 02, 2017
Hi. Water flow may be restricted to the pressure washer.
Check that all hoses are free of kinks, leaks, or blockage. Make certain all hoses and fittings are connected properly. Make sure to open the faucet/spigot to full force. Set the spray wand to high pressure.
Clear any debris from the nozzle. If the nozzle has even a little bit of dirt in the tip, it may cause enough obstruction for the pressure washer to pulsate. If your pressure washer came with a nozzle cleaner, use it to clean the tip. If not, you can use a pin or paper clip to clear the nozzle tip of debris that may have become lodged in it.
If these have been checked and the washer is still fluctuating from high to low pressure there may be air trapped in the pump. To bleed the pump of any air, turn the machine off and disconnect the high pressure hose and trigger gun from your power washer. With only the garden hose connected to the machine, turn on your water source and allow water to run through the pump of the machine for 20 or 30 seconds. Turn off the water and connect the high pressure hose and trigger gun and try using the machine again.
Posted on Jul 31, 2010
This is two things. One is the back flow check valve to the soap line is leaking. The other is the pressure switch on the output side of the pump.
Posted on Oct 14, 2012
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