E1
V5
R1
T1
M1
V3
V1
F1
I1
Close gas source shut off valve (cylinder or cylinder bundles) on the left hand side prior to
•
inlet connection I1.
Close shut-off valve V1.
•
SLOWLY open purge valve V3 to vent any excess gas within the high pressure hose.
•
Close purge valve V3 and disconnect high pressure hose from cylinders or cylinder bundles.
•
Replace empty cylinders with full ones.
•
Reconnect high pressure hose to cylinders or cylinder bundles. Use new gaskets, lubricate
•
with grease approved for high pressure oxygen up to 250 bar (like lubricant).
SLOWLY open gas source shut off valve and leak test joints with a leak detection fluid.
•
SLOWLY open purge valve V3 for 5 seconds to vent "AIR" within the high pressure hose.
•
Close purge valve V3.
•
Change the position of the lever L, to give normal operation to right-hand side (lever pointing
•
down), and open shut off valve V1 and read the full content of the new cylinders on the inlet
gauge M1. The alarm condition "Change of operating side" will hereby be cancelled.
The left hand side is now the reserve bank with full cylinders.
•
7.2.2. RIGHT HAND (RH) SIDE EMPTY
The inlet pressure gauge M2 on the right-hand side is indicating exhausted cylinders, so the
•
right-hand bank of cylinders needs to be replaced.
Close gas source shut off valve (cylinder or cylinder bundles) on the right hand side prior to
•
inlet connection I2.
Close shut off valve V2.
•
SLOWLY open purge valve V4 to vent any excess gas within the high pressure hose.
•
Close purge valve V4 and disconnect high pressure hose from cylinders or cylinder bundles.
•
V10
M3
T5
T6
L
V6
R2
T2
M2
V2
V4
F2
I2
Fig. 1
11/164
O1
T3, T4
P1, P2
EN
S1, S2