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How Often Do You Change Oil?

When do you need to replace your lubricatingcontributing to acid corrosion and oxidation
oil?  If  you  haveof  the  oil,  changing
a large quantity of lubricating oil tothe chemical composition of the oil itself.
change,  it  is  going  toHowever,  if  the  water
burn a hole in your pocket. So most plantcontent is below 0.5%, it can still be
operators  try  toremoved  by  centrifugal
preserve the properties of the lubricatingpurifiers.The total base number is
oil  for  as  long  asespecially  needed  for  the  cylinder liner
possible.One of the most important functionslubrication of engines that run on poor
of  lubricating  oil  is  toquality  fuel  with  high
reduce the friction between the moving partssulphur content. The base additive is used
of  machinery.  Butto  reduce  the
there are other features to look at.When docorrosive effects of the sulphuric acid
you know that the oil needs to be changed?fumes on the cylinder.With large diesel
Below  is  aengine installations, the lubricating oils
are
rough guide:1. Viscosity has changed by
10%continuously filtered and purified to reduce
the  insoluble
2. Flash Point has dropped to 150 degree
Celsiusparticles in the oil. Special strainers
containing  magnets  are
3. Water  Content  has  reached  2%
used to trap particles of carbon or iron
4. TBN, or Total Base Number has reducedparticles.  In  large
by  20%
diesel engines, the carbon particles are
5. Insoluble Content has increased to 5%byproducts  of  combustion
of the oilDue to the oxidation of the oil
when  exposed  to  heat  and  oxygen,while the iron particles comes from rubbing
of  gears,  cams  or
the viscosity of the oil tend to reduce.
With  the  reduction  ofother parts where wear down still occur.The
presence of these particles interferes with
viscosity, the film of oil between rubbingthe  lubrication  of
metal  surfaces
bearings, most of which contain soft
becomes more difficult to maintain. Thiswhite-metal  coating.  The
results  in  metal  to
particles can become embedded into the soft
metal contact, micro seizures that leads tometal  and  cause
scuffing,  abrasion
abrasion of the metal parts.The contents of
and other damages.In large diesel engines,this  page are part of a page from my e-book
fuel  oil  from  dripping  injectors  or
"General Engineering Knowledge Notes" that
fuel pumps sometimes finds their way intowill  help  candidates
the  lubrication  oil
prepare for the Marine Certificate of
sump. This has the tendency to reduce theCompetency  Examinations.
flash  point  of  the
This e-book is available for FREE
lubricating oil. In addition to reducing thedownloading  at
viscosity  that  is
next time...Make "hard-to-find" Tools
detrimental to lubrication, this"easy-to-find".  You  can  only  Produce
contamination  with  fuel  oil  can
YOUR BEST with THE BEST!" Earn praises for a
be quite dangerous. If there is a hotspot injob  well  done,
any  of  the  rubbing
only with the PROPER TOOLS! Locate
parts, this can lead to a crankcaseHard-to-Find  Tools  for  your
explosion.Water can also find its way into
the  lubricating  oil  from  leaksgarage and workshop. Good for Cars, Trucks,
Cycles,  Boats,  and
in the cooling water system o-rings or
gaskets.  In  addition  toPlanes.
reducing the lubricating properties of theyears of working experience in Marine,
oil,  the  presence  ofFacilities,
water in the oil can give rise to bacteriaConstruction has given the author material
or  fungal  growth,for  writing  e-books
which will quickly damage the oil propertiesand articles related to engineering, and
as  well  asmanagement.



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