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Tench Regulator Service

Tench Regulator Service

So my S200 was leaking from its Tench Regulator. After a surf on the web I found that XTX Air does a small kit, which seems to be only one commercially available. That’s as I post in mid March 2018, the situation may change in the future.

The postman arrived, so I laid out what I need: here it is.

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First thing to do is to measure exactly where your brass bolt sits. Do this by marking the position of the brass bolt against the Regulator Body -- just two small marks -- then calibrate the cap its open to. Then I screwed the bolt all the way in, which happened to be one full turn. It’s just a double-check for when I need to reassemble.

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Unscrew the brass bolt completely -- be careful, as inside there is a black or white plastic disc. Make sure this part is cleaned and put to one side; there is also one small O ring on this part to change.

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The next photo shows the Regulator striped down. Just wipe all parts clean, replace all O rings as they present themselves.

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There are two O rings on this disc-shaped part. The large one is OK, but the small one was a bit tricky to remove. The new one is a doddle to put back on.

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When all O rings have been changed, reassemble, first having adjusted the brass bolt back to the setting you marked at the start.

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Here are the old ones, quite mangled after eight years of trouble-free regulated shots.

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Well that’s my first Resource over to be honest it was a doddle to do a change of Orings And Service Clean
XTX air have a to do Video on utube so you can’t go to wrong
A Thing
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Annoying Thing
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Nicely explained & good pictures to show what is happening.
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