Dräger Narkomed 2B Service Manual page 71

NM2B
4.12.10 Set the handwheel on the replacement vaporizer to its Zero position.
4.12.11 Install the replacement vaporizer on the machine (be sure the O-rings
4.12.12 Perform the following test on the interlock mechanism and make any
4.12.13 Perform the PMS Procedure given in Section 6.
Rev. A
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REPLACEMENT PROCEDURES (continued)
NOTE: Should a vaporizer containing anesthetic agent be
accidentally tilted more than 45 degrees, it must be
drained and flushed in accordance with instructions given
in the manual supplied with the vaporizer.
are in place) and tighten the mounting screws to a torque of 24 to
26.5 inch pounds.
necessary adjustments:
4.12.12.1 Turn the center vaporizer handwheel ON. The left and
the right vaporizer handwheels should be locked in their
Zero position. If the left or right vaporizer does not lock,
tighten the corresponding center set screw until the
handwheel locks properly.
4.12.12.2 Turn the center vaporizer OFF and turn the left
vaporizer ON.
handwheels should be locked in their Zero position. If
the right vaporizer does not lock, loosen the locking nut
on the right set screw and adjust the set screw until the
handwheel locks properly. Tighten the locking nut while
holding the set screw to maintain the correct adjustment.
NOTE:
4.12.12.3 Turn the left vaporizer OFF and turn the right vaporizer
ON. The center and the left vaporizer handwheels
should be locked in their Zero position. If the left
vaporizer does not lock, loosen the locking nut on the left
set screw and adjust the set screw until the handwheel
locks properly. Tighten the locking nut while holding the
set screw to maintain the correct adjustment.
4-39
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The center and the right vaporizer
Do not over-tighten the set screws. Each
vaporizer handwheel must turn easily
while the other vaporizers are locked .