Main bearings Babbitt unusual

[Synchro909]

Have you considered taking 4 thou worth of shims out of the rear bearing and calling it good?

[Brendan1959]

Originally Posted by Synchro909

Have you considered taking 4 thou worth of shims out of the rear bearing and calling it good?

That is the plan!

[Brendan1959]

Modified dipper pan, I wonder what made them do do this?

[Synchro909]

Over the years, there have been all sorts of screwball ideas about how to improve the dipper tray. That is no doubt one of them. I've even seen holes drilled in the bottom of the tray. I think that was done so that ALL of the oil would be removed when the sump is drained for a service and no old oil will contaminate the new. Pity about the big ends running dry on every start up!
Who knows what they were thinking. I'd just weld up those holes and use that tray.

[BRENT in 10-uh-C]

Originally Posted by Brendan1959

Modified dipper pan, I wonder what made them do do this?

Originally Posted by Synchro909

Over the years, there have been all sorts of screwball ideas about how to improve the dipper tray. That is no doubt one of them. I've even seen holes drilled in the bottom of the tray. I think that was done so that ALL of the oil would be removed when the sump is drained for a service and no old oil will contaminate the new. Pity about the big ends running dry on every start up!
Who knows what they were thinking. I'd just weld up those holes and use that tray.

Look again. The holes are not affecting the oil levels in the dipper sump. Whatever amount of oil that was in the sump when the engine stopped rotating is the level that would have been there during start-up. Therefore the rods would not have been dry when the engine was started.

[Synchro909]

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Originally Posted by BRENT in 10-uh-C

Look again. The holes are not affecting the oil levels in the dipper sump. Whatever amount of oil that was in the sump when the engine stopped rotating is the level that would have been there during start-up. Therefore the rods would not have been dry when the engine was started.

Brent, my comment was referring to the example I had just given about holes in the bottom of the dipper tray - not the ones in the picture. With holes in the bottom, the oil drained out very quickly so the rods ran dry till oil filled everything up again.

[johnneilson]

Originally Posted by Synchro909

Brent, my comment was referring to the example I had just given about holes in the bottom of the dipper tray - not the ones in the picture. With holes in the bottom, the oil drained out very quickly so the rods ran dry till oil filled everything up again.

Or they just stopped turning................