Page 1000 - Med Plaza and Cancer Center

Outlet Block Rough-In Assembly

WARNING: systems when the seal plug (P/N 6-836828-00) is
Be certain to shut off supply pressure to the outlet installed. Below are instructions for servicing a
before performing service. leaking secondary valve seal.
1. Turn off outlet supply pressure.
Inside the pressure gas outlet block is a secondary
2. Bleed residual pressure from the outlet by
valve. The secondary valve’s function is to shut off
depressing the secondary valve poppet (1).
pressure gas flow when the primary valve is
3. Remove the retaining ring (2) from the inside of
removed. The secondary valve contains a seal to
the outlet valve block. Use a small screwdriver to
prevent leaks around the primary valve connector.
carefully remove the ring as shown in the inset.
As the secondary valve seal is only a static seal, the
4. Remove the washer (3), seal (4), secondary valve
need for replacement is infrequent. Apply leak
poppet (1), and spring (5). Obtain a new seal (4).
detector solution over the white poppet and the outer
Inspect other items for wear or damage, and
edge of the seal at the block. Look for bubbles
replace with new parts as necessary.
indicating leaks (pressure systems). Also check for
5. Reassemble the secondary valve.
leaks when the latch or DISS valve connector is
partially inserted by flowing leak detection solution
around the connector. Listen for leaks in vacuum

2

5
1

4

3
2

Secondary Valve

9
Part No. 847036-00 Rev. D