generac power washer

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  #1  
Old 06-30-12, 09:33 AM
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generac power washer

I have a generac mod 01439-0 power washer, 6 hp briggs, 2100 psi/2.0 gpm. When I initially start it I have high pressure through the wand. If I release the trigger and reapply it, the pressure drops to low and will not return to high unless I shut the unit down and restart it. The engine runs good and as long as I keep the trigger depressed the pump seems to hold high pressure. I have checked all the filters, screens and lines and all seem to be clear of obstructions.
 
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  #2  
Old 06-30-12, 06:56 PM
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Sounds like the unloader is sticking.
 
  #3  
Old 06-30-12, 07:16 PM
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generac power washer

Is there anything I can use to flush out the pump and free up the unloader or will I have to disassemble and clean it?
 
  #4  
Old 06-30-12, 07:19 PM
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Is there anyting I can use to flush out the pump and free up the unloader or will I have to disassemble and clean it?
 
  #5  
Old 06-30-12, 11:52 PM
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It needs to come apart and be cleaned.
 
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