Question about Porter Cable Cable Premium Pressure Washer PCH2425
The most common cause of this is the pressure regulating spool valve sticks in the bore. As the pressure builds with the wand closed, the spool moves against a spring to block additional water from entering. When wand is triggered, pressure drops and more water is admitted. Remove the spool and clean the bore with crocus cloth on a dowel rod. Replace the O Rings on the spool and lube with a bit of plumber's grease and re-assemble. Often you can get a kit of O Rings for the washer or you can get EXACT replacements at a supplier... they MUST be the exact size as the originals.
Posted on Jul 27, 2011
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