Dräger Fabius 4116029 - 18 General Information About the Flowmeter Block; 18.1 Flowmeter Block Components

Fabius
®
Repair Instructions
3-103
Copyright 2000 Draeger Medical, Inc. sec3_repairinstruc_c.fm
18 General Information About the Flowmeter Block
The flowmeter block is available in several versions. Depending on the drive gases
used, it comes with four flowmeter tubes (2 x N
2
0, 2 x O
2
) or five flowmeter tubes (2 x
N
2
O, 2 x O
2
, and 1 x AIR).
In case of repair, replace (as applicable) the shield, the flow control valves, the
pressure gauges, the rotary knobs, the rotary knob caps, the flowmeter tubes, or the
complete flowmeter block.
18.1 Flowmeter Block Components
Fig. 87: Flowmeter block (3-gas version)
18.1.1 Testing the Flowmeter Block
• Check the flowmeter block using a separate flowmeter.
S-ORC
Oxygen-Ratio-Controller
O2
N2O
AIR
N
2
O flowmeter
N
2
O pressure
N
2
O control valve
O
2
control valve
O
2
pressure
O
2
flowmeter
Shield
AIR pressure
AIR flowmeter tube
AIR control valve
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