5
MONTHLY CHECK
Leak test
the entire system for working
pressure leaks.
Connect an 8060 series duplex
connector and hoses into the Triple Outlet Station.
Attach the other end of the hoses to a flowmeter and
turn the flow control knobs to the off position and the
on/off switch to the off position.
Pressurize the sedation gas supply lines with 50 PSI.
Observe any pressure decay overnight. This 50 PSI
test with the flowmeter tubing connections in place
tests
the seal of the duplex connector extended into
the o-rings of the outlet station primary check valves.
(5 PSI drop allowed.)
SERVICE PRIMARY AND SECONDARY
CHECK VALVE ASSEMBLIES
The Oxygen and Nitrous Oxide primary and
secondary check valve assemblies may be field
disassembled and replaced.
1) Primary Check Valve Assembly
O
2
A-2689-000
N
2
O A-2690-000
2) Cartridge Body
O
2
B-2237-000
N
2
O B-2275-000
3) 016 O’ Ring
PB-102-215
4) Secondary Check Valve Assembly A-2699-000
5) Compression Spring
PB-115-63SS
PRIMARY CHECK VALVE
DISASSEMBLY INSTRUCTIONS
SERVICE PRIMARY CHECK VALVE
May be serviced with station pressurized to
50 PSI.
1. Remove front plate. Mounting screws are behind
plate labels.
2.
Unscrew the primary check valve assembly.
Oxygen right hand threads; Nitrous
Oxide left
hand
threads
.
Note: the secondary check valve will
move into position and seal the 50 PSI of
the station pressure as the primary check
valve assembly is removed.
WARNING
Do not remove the cartridge body while
servicing the primary check valve
assembly. The secondary check valve
cannot seal the 50 PSI pressure if the
cartridge body is removed.
3. Replace the entire assembly.
4. Screw the replaced assembly into the cartridge
body.
5. Alignment & Adjustment for Front Plate
Installation – The Oxygen and Nitrous Oxide
Valve Bodies are factory adjusted to allow for the
back of the Front Plate to press against the metal
surfaces of all three valve bodies. If adjustment
is needed, follow these steps:
5.1. Rotate the Oxygen and Nitrous Oxide valve
bodies so they both uniformly contact the
back of the Front Plate. Oxygen has right
hand threads and Nitrous Oxide has left
hand threads.
5.2. Adjust the right hand thread vacuum valve
body to align with the metal surfaces of the
other valve bodies.
6.
Leak test the entire
system for working
pressure leaks per the Monthly Check.
