6-18                    BeneVision N22/BeneVision N19 Patient Monitor Service Manual 
6.7 Disassembling the M51C Module 
6.7.1 Disassembling the Front Panel Assembly 
As shown in the figure, use a contact wrench to remove the screw for the back end terminal of the module; use a small 
flat-bladed screwdriver to remove the module retention tabs; use a Phillips screwdriver to remove the front panel screw. 
Then, the front panel of module can be pulled out. 
 
 
 
 
 
As shown in the following figure, loosen and remove the screw between the front panel and the bracket, and unplug the 
air tube at the air nozzle. Then the front panel can be removed. 
 
 
 
6.7.2 Disassembling the Parameter Board 
 As shown in the following figure, loosen and remove theparameter    board screws, remove the pump and valve cable 
and NIBP air tube. Then, the parameter board can be removed. 
 
 
   
Use a contact wrench to 
remove the terminal screw 
 
Retention Tabs 
Remove the screw 
 
Remove the bracket 
screw 
 
Parameter board screws and 
cable 
 
Remove along this direction