NORTH AMERICAN DRÄGER Drager KIT Low Flow User manual

RETURN TO SERVICE PROCEDURE TABLE OF CONTENTS

DrägerService

RETURN TO CD-ROM TABLE OF CONTENTS

®

Field

Service

Procedure

Part Number: SP00092

Date: 9 April 2001

© 2001 Draeger Medical, Inc.

Rev: B

Kit,

Low Flow Flowmeters

RETURN TO SERVICE PROCEDURE TABLE OF CONTENTS

RETURN TO CD-ROM TABLE OF CONTENTS

KIT, LOW FLOW FLOWMETERS

CONVERSION PROCEDURE

RETURN TO SERVICE PROCEDURE TABLE OF CONTENTS

RETURN TO CD-ROM TABLE OF CONTENTS

NOTE: The flowmeter tubes are held by
compression in gaskets at the top and
bottom of each tube. Each upper gasket is
seated in an adjustable retainer that
allows removal of the tube. Access to the
flow tubes and their retainers requires
removal of the plexiglass cover on the gas
instrumentation panel. A typical flow tube
mounting arrangement is shown in Fig. 1.

1. Disconnect all pipeline hoses and
turn the System Power switch to
ON.

2. Close all cylinder valves except the

valve.

O

2

3. Set the oxygen flow to 5 l/min.

4. Open the other gas flow control
valves to drain pressure from the
system.

5. Close the O

cylinder valve, and

2

close the flow control valves. Press
the O

Flush valve to drain

2

pressure from the system.

6. Turn the System Power switch to
STANDBY.

7. For later machines with the
plexiglass cover over the gauges
and flow tubes, remove the screws
holding the table top to the
machine and lift out the table top.

8. Early models: Remove the
flowmeter housing rear cover.

9.A Early models: Remove the two
screws (from the back) holding the
front plate at the top of the
plexiglass cover. Hold the front
plate as the screws are removed
from the back.

9.B Later models (without the O

2/N2

O
ratio alarm lamp): Remove the six
screws holdingtheflowmetershield
and vapor box cover panel, and
remove the panel.

10. For earlier machines where the
plexiglass covers only the flow
tubes, skip to Step 12.

For later machines with the
plexiglass cover over the gauges
and flow tubes, remove the O

2

flow
control knob. The knob has two
setscrews.

NOTE:

If the knob must be rotated to allow
access to a setscrew, carefully note
its position so that it can be re­assembled in the same position
with the "Off Stop" properly set.

11. Remove the two screws holding the
knob guard in place, and remove
the knob guard.

1