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Manual Manifold
6.4.5
Inspect the existing seals and replace if
required, see figure 13 for seal part numbers.
6.4.6
Taking care not to damage the O-ring seals
replace the new regulator as shown in figure 13, and
fasten the 2 flat face joints.
6.4.7
Follow steps in section 6.11 bring the control
panel back online.
6.5
1st stage regulator
replacement (See table 7 for part
numbers)
Table 7: 1st Stage regulator Part Numbers
Regulator
1st Stage Regulator
6.5.1
Complete steps in section 6.1 before carrying
out any component replacement on the control panel
6.5.2
Slowly turn the swivel nut of the 1"
connection. If you hear gas escaping do not fully
unscrew the joint until the system is fully drained.
6.5.3
Fully disconnect the 1" connection, the 5/8"
header connection and the bracket M6 flange nuts
as shown in figure 14, and gently remove the unit by
sliding it towards you. Take care not to damage the
seals.
6.5.4
Remove the gauge, minimum leak fitting,
blanking plugs, relief valve and mounting bracket
form the old regulator and fit to the new unit.
6.5.5
Inspect the existing seals and replace if
required, see figure 14 for seal part numbers.
Note - If the gauge orientation needs adjusting,
disconnection the gauge from the minimum leak
connection and refit using a new copper sealing
washer 2005896.
6.5.6
Taking care not to damage the O-ring seals
replace the new regulator as shown in figure 14, and
fasten the 1" and 5/8" flat face connections.
6.5.7
Follow steps in section 6.11 to bring the
control panel back online.
Part Number
2005383
19
Figure 14 - 1st Stage Regulator Replacement
1" flat face connection
with swivel nut and
O-ring seal (2000152)
1st Stage
regulator
5/8" flat face
connection
with swivel nut
and O-ring seal
(1822236)
6.6
Replace 2nd stage relief
valve (See table 8 for part
numbers)
Table 8: 2nd Stage Relief Valve Part Numbers
Nominal Line
Pressure
4 Bar
7 Bar
6.6.1
Complete steps in section 6.1 before
carrying out any component replacement on the
control panel.
M5 Hex head
and washer
M6 flanged
Relief Set
Part
Pressure
Number
5.3 bar
2000122
11 bar
2000123
2006230.03
nut
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