8-58 
8.65 Disassemble the Flow Regulator Encoder and Two Gas 
Knobs 
8.65.1 Prepare for Disassembly 
8.65.1.1 Tools   
During parts disassembly and replacement, the following tools may be required: 
  Phillips screwdriver 
  Needle-nose pliers 
8.65.1.2 Preparations 
Before disassembly, 
  Make sure that the anesthesia machine is turned off and disconnected from the A/C power 
source. 
  Maneuver the anesthesia machine to an appropriate location and then apply the brake. 
8.65.1.3 Pre-disassembly 
Refer to step 1 in 8.1.7Remove the Display Assembly to remove the display assembly. 
8.65.2 Remove the Flow Regulator Encoder and Two Gas Knobs              
1.    Disconnect the cables from the flow regulator encoder. 
2.    Remove the two nuts fastening the bracket with the needle-nose pliers. 
3.    Turn the two nuts counterclockwise with the needle-nose pliers to remove them, and take 
out the flow regulator encoder. 
   
 
   
 
8.66 Disassemble the Airway Pressure Gauge 
8.66.1 Prepare for Disassembly 
8.66.1.1 Tools   
During parts disassembly and replacement, the following tools may be required: 
  None.