Oil sight glass seat

[Nin]

Thought I'd post this separately from my rebuild thread. Hueston, we have a problem. I popped the oil sight glass out today - dead easy and no hassles at all. Just a light pressure from the screwdriver in the remaining plastic window. But half the mounting flange came out with it. Feck.

On closer inspection, the flange is cracked and compressed inwards.

Any thoughts? There's enough to seat a new sight glass. And one of Vern's sight glass protector doo-hickeys will hold it in....

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[buellzebub]

A light smear of sealant around the outside of the new sight glass, perhaps? That's what I'd do anyway

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[JohnnyBoxer]

Looks like it's been mullered before you got there, by looking at the outer face of the casing and gouges etc

 

[Nin]

This is our finest hour - to stretch the Apollo13 analogy. Had a chat with a mate who runs an engineering shop. We'll make what's basically an alloy washer of the same dimensions as the flange that's broken and about 1mm thick. Then bond that to the existing flange to create a new surface. Jobs a good 'un.


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[Slipperyeel]

I wouldn't have thought that flange does more than stopping the oil window falling into the crank cases (Ok, it prevents a direct line of sight into the main sealing face, which is making the seal). Personally I'd only be worried if the sides of the bore were fooked as that's where the real seal is being made

 

[beemer pimp]

I wouldn't have thought that flange does more than stopping the oil window falling into the crank cases (Ok, it prevents a direct line of sight into the main sealing face, which is making the seal). Personally I'd only be worried if the sides of the bore were fooked as that's where the real seal is being made

+1 on that , sideglass have grooves on side like oil seals so it's seal around sidewall. Just make sure give good clean make sure no corrosion and surface smooth

 

[Nin]

Thanks fellas. I agree, the flange is pretty insubstantial, fortunately the inner bore surface is clean and unmarked.


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[Neil W]

Be more worried about where the broken piece of casing went to after it was knocked inwards by a previous mechanic ? who seems to have attacked it rather than remove it the correct way

 

[Nin]

Came out with the window, stuck to it. All sorted now, cleaned up the outside, "washer" is on tomorrow's job list at the fabricators, and ready for the new glass to be fitted.


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