9-25 
 
9.2.25 Remove Cover Plate of Work Surface 
1.  Remove the service door and rear cover plate. 
2.  Unscrew the nine (9) captive screws fixing the cover plate of working surface. 
3.  Disconnect the 83# pipe next to the auxiliary O2, and cables connected to the auxiliary 
flowmeter. 
 
4.  Remove the two (2) circuit screw plugs, and remove the two (2) screws to remove the 
circuit gear block.