8-34 
8.37 Disassemble the Anesthesia Calculation Pipeline 
Assembly 
8.37.1 Prepare for Disassembly 
8.37.1.1 Tools 
During parts disassembly and replacement, the following tools may be required: 
  Phillips screwdriver 
  Scissors 
8.37.1.2 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. 
8.37.1.3 Pre-disassembly 
1.    Refer to 8.1.1Open the Service Door to open the service door. 
2.    Refer to 8.1.4Remove the Work Surface Cover Plate FRU to remove the work surface 
cover plate. 
3.    Refer to step 1 in 8.23.2Remove the Patient Circuit Assembly to remove the patient circuit. 
4.    Refer to 8.28Disassemble the Volume Exchanger Assembly to remove the volume 
exchanger assembly. 
5.    Refer to 8.29Disassemble the VE Box Assembly to remove the VE box assembly. 
8.37.2 Remove the Anesthesia Calculation Pipeline Assembly 
1.    Remove the three screws from the anesthesia calculation pipeline assembly with the Phillips 
screwdriver to remove the assembly. 
2.    Cut the cable strap with the scissors and disconnect the hose from the anesthesia calculation 
pipeline assembly. 
    
 
8.38 Disassemble the Drive Gas Assembly 
8.38.1 Prepare for Disassembly 
8.38.1.1 Tools   
During parts disassembly and replacement, the following tools may be required: 
  Phillips screwdriver