NORTH AMERICAN DRÄGER TEC 6 Desflurane NAD Variant User manual
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®
Field
Service
Procedure
Part Number: SP00091
Date: 11 July 2001
© 2001 Draeger Medical, Inc.
Rev: H
KIT, TEC 6 DESFLURANE
VAPORIZER INSTALLATION, NAD VARIANT
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KIT, TEC 6 DESFLURANE
VAPORIZER INSTALLATION, NAD VARIANT
INSTALLATION PROCEDURE
NOTE: The following procedure is performed after all host NARKOMED Anesthesia Systems
have been upgraded, if applicable, in accordance with TSB #103.
NOTE: The desflurane vaporizer shall be installed in the extreme right position (as viewed
from the front) on the machine.
NOTE: If the host machineisaNARKOMED4, its gas analyzer must be configured to include
desflurane. Refer to Service Procedure SP00117 for details.
If the host machine is a NARKOMED 3, its gas analyzer must be configured to include
desflurane. Refer to Service Procedure SP00121 for details.
NOTE: Proceed to Step 5 if you are not
removing an existing vaporizer.
1. Before removing an existing
vaporizer or bypass block from the
machine, perform a low pressure
leak test at the fresh gas outlet to
verify gas circuit integrity.
2. If there is an existing vaporizer in
place, it must be drained and dried
as follows:
CAUTION
The following steps must be
performed in the sequence given.
2.3 Open the APL valve by turning it
fully counter-clockwise.
2.4 Short circuit the inspiratory and
expiratory valves with a 22 mm
hose.
2.5 Ensure that the fresh gas hose is
connected to the 15 mm connector
on the machine.
2.6 Turn the System Power switch to
ON.
2.7 Set all vaporizer handwheels to
their Zero or OFF position.
WARNING
2.1 Activate the waste gas scavenger
system.
2.2 Attach a breathing bag to the bag
mount connector.
Do not inhale anesthetic vapors as
this could result in personal injury.
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INSTALLATION PROCEDURE (continued)
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2.8 Open the filler and drain plugs, and
drain the vaporizer into a suitable
container. Dispose of the residual
agent in an approved manner.
2.9 Close the filler and drain plugs.
2.10 Turn the vaporizer handwheel to
themaximumconcentrationsetting.
2.11 Set the oxygen flow to 10 l/min. for
at least 20 minutes.
2.12 Turn the vaporizer handwheel to 0
(zero), turn the oxygen flow off and
set the System Power switch to
STANDBY.
3. While holding the vaporizer,
remove the mounting screws and
carefully separate the vaporizer
from the machine.
4. Place the vaporizer in a suitable
container for transport or storage.
5. Remove the desflurane vaporizer
from its packing container and
inspect the vaporizer for damage.
6. Verify that the dial (handwheel) is
set to Standby.
7. Place an O-ring (supplied by the
vaporizer manufacturer) in each
recess of the mounting surface of
the vaporizer.
WARNING
DO NOT use the Dräger O-rings
when installing the desflurane
vaporizer. The Dräger O-rings may
cause occlusion of the gas passages
when used with desflurane.
8. Secure the vaporizer to the machine
with two 35 mm long screws
(Ohmeda supplied by the vaporizer
manufacturer). See Figure 1.
WARNING
If the Desflurane vaporizer is later
removed from the machine and a
Dräger vaporizer installed in its
place, DO NOT use the Ohmeda
screws or the Ohmeda O-rings to
mount the Dräger vaporizer. The
longer Ohmeda screws will bottom
out and will not allow a gas tight
seal between the Dräger vaporizer
and the machine.
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INSTALLATION PROCEDURE (continued)
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SP91001
VAPORIZER
MOUNTING SCREWS
(USE ONLY OHMEDA SCREWS -
SEE TEXT)
O-RINGS
(USE ONLY OHMEDA O-RINGS
SEE TEXT)
Figure 1: DESFLURANE VAPORIZER INSTALLATION
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L
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INSTALLATION PROCEDURE (continued)
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9. Test the long pivot arm of the
vaporizer interlock assembly with a
magnet. If the pivot arm is
magnetic, skip to Step 14.
NOTE: Unused pivot arms may be
returned to:
North American Dräger
Technical Service Department
3122 Commerce Drive
Telford, PA 18969
Attn: Desflurane Coordinator
10. Remove the upper retaining clip
securing the center pivot pin to the
vaporizer interlock assembly. See
Figure 2.
11. Slide the pin out from the assembly
(do not misplace the two spacers)
and remove the long pivot arm.
12. Transfer the two locking hex nuts
and the two set screws from the
existing pivot arm to the new pivot
arm included in the Desflurane
Installation Kit.
13. Assemble the new pivot arm onto
the interlock assembly as follows:
Slide the pivot pin up into the
lower support bar, place a spacer on
the pin, place the new pivot arm
onto the pin, slide the pin up
through the pivot arm, place
another spacer on the pin and
continuesliding the pin through the
upper support bar. Secure the pin
to the assembly with the retaining
clip
14. Attachthedesflurane warning label
(included in the Desflurane
Installation Kit) to the right side of
sloping front vapor box panel.
(Choose another location on the
sloping front panel if the right side
is already occupied by another
label.)
VAPORIZER
SP91006
INTERLOCK
MECHANISM
REAR VIEW
RETAINING CLIP
PPER
SUPPORT BAR
LONG PIVOT
ARM
OWER
SUPPORT BAR
SPACERS
CENTER PIVOT PIN
Figure 2: INTERLOCK MECHANISM - LONG PIVOT ARM INSTALLATION
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