PRESSURE WASHER TROUBLE SHOOTER
       Tech Tips and Troubleshooting
 

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PLUNGERS BROKEN OR WORN

Fix or replace broken or worn  plungers

 

Broken or worn plungers, also known as pistons, will cause pressure drop.  If it's a worn plunger, pressure drop will occur over a period of time.  If it's a sudden loss of pressure then one or more of the pistons could be cracked.  I say "could" because the pressure loss could be caused by worn seals.  Refer to excessive water leakage below.  Generally speaking, if you have a broken or cracked plunger you will also have damaged seals.  Regardless, to inspect seals you will be exposing the pistons.  ALWAYS check plunger condition VERY closely.  Minor cracks may not be visible but will still allow water to pass when under pressure.  Best way is to inspect under a magnifying glass.  Also,  run your finger nail or a sharp edge, such as a razor blade, across the plunger to feel for a minor crack.  To see a range of replacement plungers click here.  To prevent plunger damage make sure you have a clean water supply and do not let your pump overheat.  The cold incoming water cools the pump as it goes through the system.  If this flow is restricted the pump will cavitate and overheat.  Most plungers are made from ceramic material, which is very hard but brittle.  If over heated this material will crack.   For a discussion on pumps click here.  To see a range of replacement pumps click here.

 SOME OF THESE OPERATIONS CAN BE EXTREMELY DANGEROUS.  IF YOU DO NOT HAVE SUFFICIENT TRAINING IN THESE PROCEDURES, WE RECOMMEND YOU SEEK ASSISTANCE FROM A QUALIFIED TECHNICIAN



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