If your pump is leaking water from
underneath, between the head and crankcase, you likely will need to replace
the plunger seals.
These come in a kit with the various seals and
o-rings that make up a packing
kit. Kits usually come in sets of 3 packings so you can do all
the pistons, at once, which is a good idea. See the discussion on broken or worn plungers as
Tell-tale signs of worn seals or broken pistons is water in your
crankcase oil. Check the oil for a milky color.
manufacturers have a similar design for a packing. It
usually includes a high pressure seal, low pressure seal, a couple
of plastic rings and a few o-rings.
These seals are not
difficult to replace, just make sure you get them in the right
here for servicing information from various pump manufactureres.
replacing packings it's important to check the pistons. Small cracks in
pistons will not only leak water but will quickly wear out a new set of
additional discussion on broken or scored plungers.
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