Oil level window - issue leaking oil

[Xanthe]

The oil level window on my sewing machine leaks oil.  I can't get into the machine body to replace the window without a whole lot of trouble.  I'm thinking I could seal the join from the outside.  Does anyone have experience of this, or know what I should use to seal it?  Thanks. 

[GerryR]

I don't know how your machine is assembled but my lathe has oil level windows that pop out of the front of the machine and you just replace an O-ring to stop a leak from the window.  I use a thin blade to work around the window to get it out.  I dont know of any "repair" sealer that will work once the oil starts leaking; maybe someone else does.

[nylonRigging]

On 3/29/2025 at 8:17 AM, Xanthe said:

The oil level window on my sewing machine leaks oil.  I can't get into the machine body to replace the window without a whole lot of trouble.  I'm thinking I could seal the join from the outside.  Does anyone have experience of this, or know what I should use to seal it?  Thanks. 

it would good to know what machine model you asking about ? , are you asking about a underside of head view window reservoir on gear box ? , Or you asking about view window on upper Head of inboard reservoir ? , Or other ?
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