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Re:Net oil pressure calculation ?? (2 viewing) (2) Guests
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TOPIC: Re:Net oil pressure calculation ??
#80
james_hvac (User)
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Net oil pressure calculation ?? 3 Months, 2 Weeks ago Karma: 0  
Hello all,

Can anyone give some pointers on this, what is the correct way to figure net oil pressure?

my low oil is -8 Hg and my high is 18 psig.
good is between 12 to 18 psid

Thanks
 
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#81
MrFreeze (User)
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Re:Net oil pressure calculation ?? 3 Months, 1 Week ago Karma: 0  
Multiply the oil sump pressure by .491
then add it to the oil discharge pressure.

8"Hg X .491 = 3.928psi
3.928 psi + 18 psi = 21.928 psid

it appears you are outside of the range...
 
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#83
sedgy (User)
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Re:Net oil pressure calculation ?? 2 Months, 2 Weeks ago Karma: 0  
hi there,
your oil pressure should be over 40 psi aboue suction -pressure.
 
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Last Edit: 2008/10/07 18:55 By sedgy. Reason: once again my report wasent coppied out correctly
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