Pre Lubers
01-07-2007, 12:17 PM
#31
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Re: Pre Lubers
You dont need to worry about -12 fittings on a pre-luber. All of my oil lines are -12, but the pre-luber lines are -8. No oil flows through the pre-luber lines when the engine is running. You dont need to worry about flow porblems. The only oil that runs through the -8 lines is oil pumped from the pre-luber. ESP sells an inexpensive check valve to keep the oil where its supposed to be. If you look at the picture I posted, the check valve is the brass thing screwed into the starboard side of my oil filter head.
01-07-2007, 02:03 PM
#32
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Re: Pre Lubers
No, that is a by-pass. On the port side, on the bottom of the blue hose, you will see a 45lb check valve. That is too limit the pressure the pump can build to 45 psi. It is supposed to save the pump from extra load.
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01-07-2007, 04:13 PM
#34
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Re: Pre Lubers
Seriously, there are guys who run this system without the check valve installed. I guess the pump itself stops the oil from back flowing.
01-07-2007, 07:06 PM
#35
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01-08-2007, 09:53 PM
#37
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01-09-2007, 05:10 AM
#39
Re: Pre Lubers
May be somebody else have noticed the flow of the ESP pumps during oil changes ?
01-09-2007, 07:24 AM
#40
Re: Pre Lubers
I have the 15 amp pump from ESP too and also use it for oil changes, but I have never measured the time it takes to pump the oil out of the engines. That could give an indication of the flow. My boat is in winter storage so I am not going to change oil anytime soon.
May be somebody else have noticed the flow of the ESP pumps during oil changes ?
May be somebody else have noticed the flow of the ESP pumps during oil changes ?
