Thermo Scientific 5028i Instruction Manual page 197

External Pump
Replacement
Thermo Fisher Scientific
2. From the Main Menu, choose Service > Detector Calibration >
Auto.
The Auto Detector Calibration screen appears.
Note If Service Mode is not displayed, refer to
Mode" on page 7-4, then return to the beginning of this step.
3. At the Detector Calibration screen, press
detector calibration.
Use the following procedure to replace the pump
Equipment Required:
Pump
Adjustable wrench
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 by anticlockwise
turning.
2. Disconnect the pump power cable from the rear panel.
3. Remove green gas line from the pump which connect to the plastic
tee joint of rear panel
4. Install the new pump by following the previous steps in reverse.
5. Perform a leak test as described in the
chapter.
External Pump Replacement
"Accessing the Service
s
to start the auto
(Figure 7–6).
s
"Preventive Maintenance"
Model 5028i Instruction Manual
Servicing
7-13