Maintenance
Step
1
2
3
4
5
6
7
8
9
10
Table 10-8 Procedure for Replacing the Fuse
Action
Determine why the fuse blew and correct the problem.
Check the fuse’s packaging (in miscellaneous parts kit
Turn off the power to the Analyzer/Controller. More than one switch may be required to remove power.
With the power off open the case:
∙Grasp the bottom center portion of the front bezel and pull it downward and toward you slightly to disengage the bottom of the bezel from the edge of the case.
∙Lift the bezel gently to disengage it from the top edge of the case.
∙Swing the bezel to the left. (The bezel and display assembly is mounted on pivot arms.) The safety cover with its warning label will be visible.
With the power off remove the safety cover by removing the single screw holding it in place.
If more room is needed, remove the circuit card retainer bracket at the top of the case and pull the circuit card assembly partially out of the instrument case. (It may be necessary to temporarily disconnect leads from some terminals to do so.)
Remove the old fuse and insert the new one.
If any leads were disconnected in Step 6, reconnect them.
Replace the safety cover and secure it with the screw.
Close the case and power up the unit. Do not apply power until the case is closed.
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