Thermo Scientific 5028i Instruction Manual page 194

Servicing
Fuse Replacement
Fuse Replacement
Fan/Filter
Replacement
7-10 Model 5028i Instruction Manual
1. Turn the instrument OFF and unplug the power cord.
2. If the instrument is mounted in a rack, you can remove the screws
which connect the small upper cover to measurement case. Don't
need to disconnect heated tube fittings on the upper of instrument.
3. Remove five screws from the top side of the case (viewed from the
front).
4. Remove 14 srews on the left and right side of measurement case.
5. Pull the measurement case from rear side of instrument.
6. Remove the 4 screws on the rear panel, then you can take off the
rear panel from back side.
7. While a seriously and fully service needed, you can disconnect the
fittings between instrument and heated tube. Pull the instrument
out of the rack.
8. Install the measurement case assembly by following the previous
steps in reverse.
Use the following procedure to replace the fuse.
Equipment Required:
Replacement fuses (refer to the
chapter).
1. Turn the instrument OFF and unplug the power cord.
2. Remove the fuse drawer, located on the AC power connector.
3. If either fuse is blown, replace both fuses.
4. Insert fuse drawer and re-connect power cord.
Use the following procedure to replace the fan and the fan filter
7–4).
Equipment Required:
Fan
Fan filter
Philips screwdriver
Cable cutter (for tie-wrap removal)
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.
"Replacement Parts List" in this
Thermo Fisher Scientific
(Figure
s