Author Topic: Piston Load Sharing  (Read 3494 times)

jsw123

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Piston Load Sharing
« on: December 15, 2009, 01:30:06 AM »
I am just getting my engine going so I do not have any knowledge of how it ran before this.


   I was trying to see if two fuel shut off solenoids, one per cylinder, would shut the engine off in sufficient time. To do this I replaced the existing fuel line with flexible hose and used a couple of valves to simulate a fuel solenoid. When I started the engine up, I noticed only one cylinder was firing while the other was only putting out a mist out of its muffler but no heat. However when the cylinder that was working was shut off, the other started to run.


I checked the fuel lines for air and they seem to be OK. I cracked the pressure side of the injector and it had fuel coming out. The timing was adjusted by someone who knows what they are doing about a year ago and the engine has sat since then.

Is there any suggestions about the possible problem?

Tom

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Re: Piston Load Sharing
« Reply #1 on: December 15, 2009, 05:27:33 AM »
The way Lister does it is to close the racks on the fuel pumps. This avoids problems like sucking air in through the fuel filter housing and banjo bolts.
Tom
2004 Ashwamegh 6/1 #217 - ST5 just over 3k hours.

jsw123

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Re: Piston Load Sharing
« Reply #2 on: December 15, 2009, 12:03:57 PM »
The way Lister does it is to close the racks on the fuel pumps. This avoids problems like sucking air in through the fuel filter housing and banjo bolts.

I am aware of this but I am trying to shut it off electronically. I do not wish to spend a lot of money and time on fabrication on buying an actuator to pull the shut off lever. I am having trouble finding out why only one cylinder at a time works.

Oiler

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Re: Piston Load Sharing
« Reply #3 on: December 16, 2009, 08:02:36 AM »
One cylinder is idling because the connection between the pumps is too long. One cylinder is doing all the work.

Try closing the working cyl's injector pump a little with your finger and see if the second cylinder picks up.

When running, measure exhaust temp on both cylinders and adjust pump rack interconnection accordingly.

Oiler
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