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Servicing
Fuse Replacement
Fuse Replacement
7-10
Model 146i Instruction Manual
3. If the instrument is mounted in a rack, remove it from the rack.
4. Remove the cover.
5. Disconnect the connectors that pass through the center of the partition
panel.
6. Remove two screws from the left side of the case.
7. Remove one screw from the bottom rear of the case.
8. Remove one screw from the top front of the partition panel.
9. While holding the case securely, loosen the captive screw at the rear of
the measurement bench, and pull the measurement bench from the rear
of the case.
10. Remove the screw at the top rear of the partition panel securing the top
of partition panel to the measurement bench, and lower the panel being
careful not to put excessive tension on the cables.
11. Replace the measurement bench by following the previous steps in
reverse.
Use the following procedure to replace the fuse.
Equipment Required:
Replacement fuses:
250VAC, 3 Amp, SlowBlow (for 100VAC and 110VAC models)
250VAC, 1.60 Amp, SlowBlow (for 220-240VAC models)
1. Turn instrument OFF and unplug the power cord.
Thermo Fisher Scientific
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