Instruction manual

Servicing
External Solenoid Valve Replacement
Thermo Fisher Scientific Model 5030i SHARP Instruction Manual 7-45
Use the following procedure to replace the external solenoid valve (Figure
7–25).
Equipment Required:
External solenoid valve
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly grounded antistatic wrist strap
must be worn while handling any internal component. ▲
1. Turn the instrument OFF, unplug the power cord.
2. Disonnect all vacuum tubing from the solenoid.
3. Disconnect the solenoid electrical connector from the rear panel
connector.
4. Unfasten the two captive hardware screws from the rear panel.
5. Replace the solenoid valve by following the previous steps in reverse.
Figure 7–25. Replacing the External Solenoid Valve
External
Solenoid Valve
Replacement
Captive
Hardware (2)
Connector
To Outdoor Roof Flange
To Pump
Exhaust