Pressure relief ball

[Ruairidh Dunford]

Is this a start up reading or a thoroughly warmed up engine?

[Steve kay]

Vanes checked to make sure the springs worked, the pump had been checked to make sure there was no scoring before assembly. I had raked about in the box of gauges but could not find anything easily exchangeable, maybe further work is necessary. And that reading is soon after firing up. At least it is better than the readings in the engine room of the Arran ferry.

[Ruairidh Dunford]

Did you check the vanes were the correct orientation?

The oil should read over 20psi when cold.

[Chris Garner]

Did you check the vanes were the correct orientation?

The oil should read over 20psi when cold.

Good point.  " Sharp Tops with Rounded Bottom " !

[Ruairidh Dunford]

" Sharp Tops with Rounded Bottom " !

No!!!!

[Nick Lettington]

Before the QI siren sounds again, is it also customary and or necessary to seat the ball with a hanner blow using a punch (or the bolt you used to get it out?) Or is that just hearsay?

[Tony Press]

Did you check the vanes were the correct orientation?

The oil should read over 20psi when cold.

Good point.  " Sharp Tops with Rounded Bottom " !

A suggested by Ruairidh     

:
Much better point  " Sharp Bottoms with Rounded Top"

Otherwise disaster 

[Steve kay]

New ball was seated by tapping with a brass drift, which may have made the improvement from no indicated psi to about 4 or 5. Vane checks were about springs and seating. Now, do we have unanimity on tops, bottoms, sharp and flats? In other words, what should I see whilst lying under the machine, peering up into the oil pump?

Take dear lady wife Saturday morning cup of tea in bed then use modern research mechanisms called the iPad to investigate sharps and flats. Not orchestral tuning, but vanes. Universal agreement that flat bottoms to each vane for best contact with the oil pump cover.

[Charles P]

New ball was seated by tapping with a brass drift, which may have made the improvement from no indicated psi to about 4 or 5. Vane checks were about springs and seating. Now, do we have unanimity on tops, bottoms, sharp and flats? In other words, what should I see whilst lying under the machine, peering up into the oil pump?

Take dear lady wife Saturday  morning cup of tea in bed then use modern research mechanisms called the iPad to investigate sharps and flats. Not orchestral tuning, but vanes. Universal agreement that flat bottoms to each vane for best contact with the oil pump cover.

You should see the nice flat base of the vanes ensuring minimal clearance between the base and the rotating vanes.
Suitable stolen photo


  IMG_0039.jpeg (Size: 41.13 KB / Downloads: 163)

Charles

[Reckless Rat]

and no gasket!