8-23 
 
Figure A 
   
Figure B        Figure C 
   
 
8.26 Disassemble the N2O, Air, and O2 Cylinder Yoke 
Assemblies 
8.26.1 Prepare for Disassembly 
8.26.1.1 Tools 
During parts disassembly and replacement, the following tools may be required: 
  Phillips screwdriver 
  220 mm torque wrench 
  M6 hexagon screw spanner 
8.26.1.2 Preparations 
Before disassembly, 
  Make sure that the anesthesia machine is turned off and disconnected from the A/C power 
source. 
  Bleed down the gas pressure inside the anesthesia machine to avoid personal injury or 
equipment damage. 
  Disconnect all pipeline and cylinder gas supplies.   
  Maneuver the anesthesia machine to an appropriate location and then apply the brake. 
8.26.1.3 Pre-disassembly 
1.    Refer to 8.1.1Open the Service Door to open the service door.