18
Manual Manifold
2006230.03
6.3 Replace Test Sampling Valve
(P/N: 2000172)
6.3.1 Complete steps in
section 6.1
before carrying
out any component replacement on the manifold
control panel.
Figure 11 - Line Non-return Valve Replacement
Line non-return
valve manifold
3 x 1” flat face
connection points
(O-ring P/N: 2000152)
Note - All non-return
valve connections
are flat face unions
complete with o-ring
seals for ease of
removal.
1 x 1/2” flat face
connection with swivel
(O-ring P/N: 1823637)
Test Point
6.3.2 Disconnect the valve at the 1/4” connection
(see figure 12)
. Check the bonded seal and
replace if necessary. Fit the new valve.
6.3.3 Follow steps in
section 6.11
to bring the
manifold back online.
6.4 Replace 2nd stage regulator
(See table 6 for part numbers)
Table 6: 2nd Stage Regulator Part Numbers
Regulator Nominal
Pressure
Part Number
4 Bar
2005689
7 Bar
2005690
6.4.1 Complete steps in
section 6.1
before
carrying out any component replacement on the
control panel.
6.4.2 Slowly turn the swivel nut of the top 1”
connection
(see figure 13)
. If the you hear gas
escaping do not fully unscrew the joint until the
system is fully drained.
Figure 12 - Test Sampling Point Valve Replacement
Test Point
1 x 1/4” BSP connection
(Bonded Seal P/N:
2004808)
6.4.3 Fully disconnect the two 1” joints as shown
in
figure 13
and gently remove the unit by sliding it
towards you. Take care not to damage the seals.
6.4.4 Remove the two 1/2” BSP x 1” flat face
connectors and gauge, and fit to the new regulator.
Figure 13 - 2nd Stage Regulator Replacement
2 off 1/2” BSP x 1” Flat
face connector
(O-ring P/N: 2000152)
(bonded seal P/N:
1825637)
2nd Stage
Regulator
Line Pressure Gauge.
(Copper Sealing washer
P/N: 2005896)
