Dräger Narkomed 2C Technical & Service Manual page 133

NM2C
5.7 Vaporizer Interlock Adjustment
5.7.1 Set the System Power switch to STANDBY.
5.7.2 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.
5.7.3 Turn the center vaporizer OFF and turn the left vaporizer ON. The
center and the right vaporizer 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:
5.7.4 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.
NOTE: When the interlock adjustment procedure is completed, ensure that
all vaporizer handwheels are set to their zero or OFF position.
5.7.5 Perform the PMS Procedure given in Section 6.
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ADJUSTMENT AND CALIBRATION PROCEDURES (continued)
Do not over-tighten the set screws. Each vaporizer
handwheel must turn easily while the other vaporizers
are locked .
5-17
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