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Testing Standard Pneumatic Secondary Valves
By Bill Maguire

[ Ref. Skip Downing in 180502 MMDigest ]

I find that the best way to test a double-valve Standard or
Autopiano stack is to do it with the primary valves connected.
The pneumatics and deck boards are not attached while checking
the valves.

I think the main reason your pneumatics are a bit sluggish or
"leisurely" is because when secondary valves are checked without
the primaries attached there is no bleed.

Bill Maguire
New York


(Message sent Sat 5 May 2018, 21:41:00 GMT, from time zone GMT-0400.)

Key Words in Subject:  Pneumatic, Secondary, Standard, Testing, Valves

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