Calibrator
Access Procedure
89
Rear-Panel Assemblies
To remove the Main CPU PCA (A9), the transformer, and the ac line input filter,
see Figure 27:
1. Remove the top cover. See steps 1-2 in the Analog Modules section.
2. Remove the six 3 mm Allen screws from the rear handles.
3. Remove the two Phillips screws from the back edge of the bottom cover.
4. Remove the bottom cover.
5. Remove the four Phillips screws that are accessible through holes in the
bottom flange.
6. Remove the power switch pushrod.
7. Remove the rear panel. There are two cable bundles, plus one ribbon cable
for the Main CPU PCA (A9).