Metal base gasket orientation ?

[Glock37]

I found this the other day reading media cat !

Any thoughts ?


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[Gunn]

I've seen older Stihl documents showing the orientation facing up, though newer documents show it facing down.

I've talked with my local Stihl dealer who's been wrenching on stihls since the 60's and he said he's never had an issue regardless or orientation.

 

[cease232]

I was just thinking about this yesterday. I always do the opposite of this bulletin.


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[Glock37]

How do the gasket know which way it supposed to go !


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[cease232]

How does it "reduce load on the cylinder"?!?


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[jacob j.]

I always installed them this way, but I put a little dab of Threebond/Yamabond over the junction of the case halves on either side just in case the case gasket shrinks up.

 

[Glock37]

How does it "reduce load on the cylinder"?!?


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I got no idea !


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[jmssaws]

I've done it both ways and certainly reused them before.

 

[Adirondackstihl]

I always installed them this way, but I put a little dab of Threebond/Yamabond over the junction of the case halves on either side just in case the case gasket shrinks up.

That's a good idea J

 

[cease232]

I always installed them this way, but I put a little dab of Threebond/Yamabond over the junction of the case halves on either side just in case the case gasket shrinks up.

I just ran into this over the weekend. Had a leak right where the case halves meet the cylinder base. Gonna give this a try.


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[jmssaws]

Lot of times when they leak at the seem it's the case gaskets not the base gasket.

 

[cease232]

I tried a new base gasket so it was definitely the case gaskets. Someone recommended splitting the case to replace the gasket but for such a small leak I thought I might limp it along with some sealant.


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[jmssaws]

Sealant will be fine.
I see that quite often and dirko fixes it up

 

[president]

does it change the charge to the transfers if installed wrong?