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Things I want to Buy / JP governor link.
« on: February 16, 2023, 12:42:59 PM »
Looking for the governor connecting link bell crank to fuel pump for JP2.
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Things I want to Buy / Re: JP2 injector pipes
« on: July 18, 2022, 04:57:34 PM »
Many thanks for that. Will give them a try.
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Things I want to Buy / JP2 injector pipes
« on: July 15, 2022, 04:57:25 PM »
I'm looking for replacement injector pipes for a JP2. Anyone know of a source for these?
Many thanks.
Many thanks.
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Engines / Re: JP2 big end bolts
« on: March 10, 2022, 04:47:54 PM »
Many thanks for your replies. The con rod bolt instruction is in the Lister JP/JK/JS manual admittedly a much later book than the engine which is from an early Ruston loco. The heads have an annular ring machined to fit over the liner rims and uses copper rings/shims to set bumping clearance. One piston is a replacement and has the normal ring set up the other one is probably original with the tapered scraper ring. The liners are chromed and in very good condition with no perceptible ridge at the top.
The big end shells are being reused as in good condition.
The big end shells are being reused as in good condition.
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Engines / JP2 big end bolts
« on: March 08, 2022, 05:35:21 PM »
I'm rebuilding an early (32/33) JP2 and hope someone can advise on big end bolt tightness. Having tightened according to the book and loosened the two bolts by one half turn they are now loose! This surely cannot be right? All other engines I have worked on all bolts are torqued equally.
Another query - the piston scraper ring is narrow and unslotted but tapered on one side. Is it taper up or down?
Many thanks
Another query - the piston scraper ring is narrow and unslotted but tapered on one side. Is it taper up or down?
Many thanks
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Original Lister Cs Engines / Early JP2 loco engine
« on: March 10, 2017, 12:27:39 PM »
Any info please on an early (1931?) JP2 engine. The cylinder heads are machined with an annular ring which locates over the liner rim.
They are sealed with plain copper rings and shims to adjust bumping clearance. Water jacket sealed with rubber gromets.
Will the bumping clearance be the same as for later flat head types?
This engine is fitted into a Ruston narrowgauge loco but is definately Lister and not Ruston.
Any info would be welcome!
They are sealed with plain copper rings and shims to adjust bumping clearance. Water jacket sealed with rubber gromets.
Will the bumping clearance be the same as for later flat head types?
This engine is fitted into a Ruston narrowgauge loco but is definately Lister and not Ruston.
Any info would be welcome!
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