Thermo Scientific 5028i, Instruction Manual

Page: 214 / 330

Servicing
Transformer Replacement
7-30 Model 5028
i
Instruction Manual Thermo Fisher Scientific
cover.
2. Refer to “ Removing the Measurement Case Assembly and Rear
Panel ” in this chapter to lower the partition panel, then proceed to
the next step below.
3. Loosen the kynar fittings using the wrench and slide out sample
flow RTD.
4. Unplug the RTD connector from the measurement interface board
“flowtemp1”.
5. Carefully install the new RTD by following the previous steps in
reverse. Match the marked black line on the RTD to be flush with
the fitting.
Note
The black line is the pre-measured depth for the RTD.
s
6. Calibrate the instrument. Refer to the “ Calibration ” chapter in this
manual.
Figure 7–17. Replacing the RTD
Use the following procedure to replace the transformer ( Figure 7–18 ).
Equipment Required:
Transformer assembly
Philips screwdriver, #2
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
Transformer
Replacement