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Most
residential buildings have pressure regulators on the water supply, limiting
the pressure to less than 75 PSI or less. This is a good pressure for
the average pressure washer pump.
Some buildings do not regulate
the PSI so inlet pressure can exceed the specifications of the pump.
Excessive inlet PSI can push water past the low
pressure seals and into the crankcase, causing the oil
to go milky. See index
for "milky oil"
If you are working in areas where
inlet pressures are not regulated or fluctuate you can always
install a pressure regulator on the supply or inlet of the
pump.
Check
the specifications of your pump for recommended inlet pressure.
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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PRESSURE WASHER
TROUBLE SHOOTER
