Small Engine Troubleshooting Problems? Ask a Mechanic Now.
to bleed the pressure washer you attach the hose and turn on the water pressure and then pull the trigger with the electrical power turned off
this just uses the water pressure to push any air out
once you have a steady stream of water coming out then turn the washer on
if this makes no difference then its possible the washer 1 way valves may be worn?
as they rely on a rubber seal which wears out
this video details how this is done
ok if you've bled it then the next step is to strip the unit down to access the valves
try this firm to supply the parts
ok if you have the manual then its also worth cleaning out items 15 & 36 ( filters)
the spill valve is typically very similar between all K'archer units so the video of the smaller unit will provide a general guideline