Thermo Scientific 5028i, Instruction Manual

Page: 213 / 330

Servicing
Flow RTD Replacement
Thermo Fisher Scientific Model 5028
i
Instruction Manual 7-29
Safety glasses must be worn while replacing the detector assembly.
s
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.
s
1. Turn the instrument OFF, unplug the power cord, and remove the
cover.
2. Disconnect the SHV connector from the detector amplifier assembly
and slide throught the wall plate.
3. Loosen both detector mounting screws and slowly lift the detector
assembly.
4. Install the new detector assembly by following the previous steps in
reverse, while taking special care not to puncture the mylar.
5. Calibrate the detector assembly. Refer to the “ Detector Calibration ”
procedure on page 4-10 .
Figure 7–16. Replacing the Detector Assembly
Use the following procedure to replace the flow resistive temperature
diction (RTD) (see Figure 7–17 ).
Equipment Required:
Sample flow RTD
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.
s
1. Turn the instrument OFF, unplug the power cord, and remove the
Flow RTD
Replacement