Replace Manifold Header Non-Return Valves. P40 - BeaconMedaes MAT-S Installation,Operation And Maintenance Instruction

Medical Gas Supply System
6.8.5.6 Close the terminal unit isolation valve.
6.8.6 Replacing the terminal unit capsule only, see
figure 44 for reference.
CAUTION! It is mandatory to replace terminal
unit capsule every 5 years.
6.8.6.1 Thread an Allen key tool through the 2
socket to the fasteners. Unfasten the 2
fix terminal unit.
6.8.6.2 Remove the terminal unit capsule from the 1
terminal unit.
6.8.6.3 Insert the new terminal unit capsule into the 1
fix.
6.8.6.4 Thread an Allen key tool through the new 2
socket to the fasteners. Fasten the 2
terminal unit.
6.8.6.5 Open the test point isolation valve and probe
the terminal unit to ensure there is gas flow.
6.8.6.6 Close the terminal unit isolation valve.
4109992485.00
6.9
Return Valves.
non-return valves every 5 years.
Header non-return valve kit numbers, see table 13,
fix
nd
chapter 7.
fix from the 1
nd st
NOTE - Header non-return valve replacement can be
performed with the associated bank isolated, while
fix
st
running on the opposite bank of the manifold.
Following procedure describes process to service header
st
non-return valve. If necessary, header non-return
valve service can be performed while manifold is in
service. However, this should only be done by qualified
fix
nd
technicians experienced in servicing medical equipment.
fix to the 1 fix
nd st
6.9.1
maintenance, complete steps in 6.1.
6.9.2
maintenance with one bank running. If total isolation is
preferred, follow steps in 6.2.
NOTE - Figure 45 shows example of left header non-
return valve maintenance, mirror to opposite side for
working on the right bank.
6.9.3
non-return valves will be repaired.
6.9.4
the 1
return valve replacement.
Figure 40 - Isolating the Left 1
40
Replace Manifold Header Non-
CAUTION! It is mandatory to replace headers
If the optional service mode is selected during
Complete the steps in 6.3 to perform this
Close all cylinders on side of manifold where
Rotate the intermediate isolation valve to isolate
stage regulator at the same side for the non-
st
Intermediate
Isolation Valve
Stage Regulator.
st