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OS 91 FSII Pumped leaks from regulator

Old 05-21-2015, 11:45 AM
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britcardoc
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Default OS 91 FSII Pumped leaks from regulator

Picked up an FS 91 Surpass II with pump. Runs but leaks from the regulator. Have both springs, 3 diaphrams and 3 covers. What causes the leak? Thanks in advance.
Old 05-25-2015, 07:01 AM
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britcardoc
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Someone has been into one of these. What is the secret? Is it put together wrong? Two springs and a diaphragm with a cover. Why does it leak out of the little hole on the regulator? Thanks
Old 05-26-2015, 08:31 AM
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Usually, leaks are due to a bad diaphragm. Unfortunately, they are not available as separate parts. Regulators and regulator parts are service-center-only parts, per OS.

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