Backup gas cylinder replacement
1
4
23
1. Gas yoke assembly
2. Clamp screw
3. Cylinder pinholes
4. Pin-index safety system pins
The pin-index safety system (PISS) ensures
that the correct gas cylinder (O
2
, Air or N
2
O)
is connected to each intended gas yoke
assembly:
1. Fit the gas yoke pins into the cylinder
pinholes and turn the clamp screw
clockwise until it meets resistance.
2. Inspect the connection to verify that the
seal is tight and the pins are fitted
correctly.
CAUTION: Only gas cylinders which can
be secured by a retaining belt may be
installed in the backup gas system or onto
the extra gas supply arm. Ensure that the
cylinders are properly secured before use.
Storage
CAUTION: The backup gas trolley and
backup gas cylinders shall be secured by
a chain or wall mount when not used or in
storage. If the cylinders are not equipped
with a safety bolt, they must be secured
only by a wall mount.
FLOW-i 4.2, User's Manual
207
| Alarms and patient safety |
9 |
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