Behaviour when tilted
A fixed screwed Vapor can be used at an angle of up to
45
°
.
For a Vapor with plug-in adaptor or on portable anaes-
thetic machines, there may be occasions when a filled
Vapor is tilted by more than 45
°
. Liquid anaesthetic agent
could then get into the flow control system and lead to an
incorrect concentration output. If a filled Vapor has been
tilted by more than 45
°
, the concentration being delivered
must be checked before it is ready for operation (see
"Checking concentration", page 24).
If the concentration delivered is not within the tolerance
range specified during this test, drain Vapor and flush
with 10 L/min at maximum concentration setting for about
5 to 20 minutes (depending on how long the Vapor has
been tilted). Allow gas to flow into the scavenging
system. Then check concentration again. Flushing will
cool the Vapor markedly so wait for a further 2 to 3 hours
before checking the concentration delivered.
If the specified accuracy for concentration is not reached
after the Vapor has been flushed a second time, the
Vapor must not be used.
Vapor must be checked by DrägerService.
For transportation where the angle of inclination may be
greater than 45
°
, drain the anaesthetic agent (see page
19 and 21).
Mechanical stress
The Dräger-Vapor is a precise instrument – it must be
handled with care and no force applied.
Vapor 19.n has been vibration-tested in fixed configura-
tion for aeronautical conditions (MIL-STD 810 method
514, curve M) and has been passed for transport in
helicopters.
Because of the vibration, Vapor must not be operated in
helicopters unless it has vibration-free suspension.
After 10,000 full revolutions of the handwheel, wear is so
minimal that the deviation in concentration due to wear is
within the accuracy specified.
39
Description
Behaviour when tilted
Mechanical stress
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