Thermo Scientific STD5000, User Manual

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Troubleshooting & Support
Replacing the CCB
Replacing the CCB
Caution
If this procedure is performed in the field, ensure no contaminates
enter the unit.
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1. Refer to Figure 6–1. Cut off the air supply.
2. Remove the cover. Remove the E-Pi according to “Replacing the E-Pi.”
3. Disconnect the input leads.
4. Remove the four screws holding the CCB in the manifold.
Note The replacement CCB should have an O-ring around the pressure
sensor mounted to the CCB. Another O-ring is in the recessed hole where
the pressure sensor plugs in. Do not discard.
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5. Mount the new CCB by reversing these steps.
Figure 6–1. CCB assembly
6-2 STD5000 & STD6000 User Guide Thermo Fisher Scientific