Motor Bulkhead/Cylinder Union Leak

[biggsgolf]

Guys, just occured to me I should call it the motor housing cap, not bulkhead?

[biggsgolf]

[biggsgolf]

Thanks Tom, so you put the teflon under the O Ring?
Dave, sorry yes, SD type, no hairlines visible, will post larger photo, momentarily

[He Who Shall Not Be Named]

Post a bigger photo. OK, that's an SD type. Are there any hair-line cracks of the cylinder over the O-ring?

David

[trout]

I would not worry about using teflon tape. It helps a lot.

That repair was done 7 or 8 years go and still works great.

Peace,
Tom

[biggsgolf]

The O Ring and channel are as should be... the fit seems loose, not as tight as the battery bulkhead. When I do blow test with the hose the bulkhead wants to push out of the cylinder. Maybe the cylinder expanded from my shop heat?
Dave, any thoughts on yrying teflon tape? I hate the idea of it not being as should be without tape etc.

[biggsgolf]

[biggsgolf]

Yes, 21/2”. The leak does not exhibit a black bead, I will do as suggested and inspect the O ring and channel. It seems too easy to slide the bulkhead in, it is not as tight as it was originally?
The teflon tape is an idea I have considered.

[He Who Shall Not Be Named]

I assume you mean 2 1/2" cylinder? And is it the SD or MSD type? Is the leaking O-ring evidencing a solid black 'bead' when made up to the cylinder. If not it's loose?

You might remove the O-ring, examine the groove and look for dirt or flaws in the channel. Insure the O-ring is clean and well greased.

Keep me informed. We'll fix this!

David

[redboat219]

I hear wrapping teflon tape around the endcap before putting in back into the cylinder helps.

[biggsgolf]

Hi,
I have a tiny leak where the Motor Bulkead Seals to the Cylinder.
I replaced the O Ring, still a leak. My understanding is that the bulkheads are produced and matched to a cylinder.
What options do I have? This is the USS Blueback, with the 11/2” Subdriver from Bob.