NM2C REPLACEMENT PROCEDURES (continued)
4.2 Cylinder Pressure Regulators
Access to the cylinder pressure regulators requires that the table top be
removed from the anesthesia machine. Figure 4-2 shows the mounting
arrangement of the regulators and typical connections.
4.2.1 Disconnect all pipeline hoses and set the System Power switch to ON.
4.2.2 Close all cylinder valves except the O
2
valve.
4.2.3 Set the oxygen flow to 5 liters per min.
4.2.4 Open the other gas flow control valves to drain pressure from the
system.
4.2.5 Close the O
2
cylinder valve, and close the flow control valves. Press
the O
2
Flush valve to drain oxygen pressure from the system.
4.2.6 Set the System Power switch to STANDBY.
4.2.7 Remove the cylinder corresponding to the regulator to be replaced.
4.2.8 Remove the screws holding the table top to the machine and lift out
the table top.
4.2.9 Remove the top drawer from the cabinet and pull the writing or
keyboard tray out to its fully extended position.
4.2.10 Disconnect the three compression fittings at the regulator.
4.2.11 Loosen the two setscrews holding the regulator to its mounting
bracket and remove the regulator.
4.2.12 Record the serial number of the regulator that was removed, and
record the serial number of the replacement regulator.
NOTE: If fittings must be installed in the replacement regulator, use Loctite
#271 (red). Refer to the parts list in Section 8.
NOTE: For Canadian machines, verify that the correct relief valve is
installed in the regulator. Refer to the parts list in Section 8 for CSA
items.
4.2.13 Position the replacement regulator in its mounting bracket, and
connect the three compression fittings. Do not tighten the fittings yet.
4-5
RETURN TO CD-ROM TABLE OF CONTENTS
RETURN TO THIS MANUAL'S TABLE OF CONTENTS
To Next Page
Loading...
