23
Chapter 6. Maintenance
This section provides some basic maintenance procedure.
WARNING
The following instructions are for use by qualified service personnel only.
To avoid electric shock, do not perform servicing other than contained in
the operating instructions unless you are qualified to do so.
Always unplug the equipment before performing service procedure.
1. Fuse Replacement:
WARNING
Fuse replacement should be carried out by a suitable skilled and
competent person.
1. Have a handy flat-bladed screwdriver.
2. Set the equipment so its bottom is down on the work surface and it’s rear is facing you.
3. Find the fuse holder on the rear panel.
4. Rotate fuse holder counter-clockwise with the flat-bladed screwdriver.
5. Pull the fuse holder away.
6. Remove the line fuse.
7. Reinstall: Do in reverse steps to reinstall the line fuse and fuse holder.
2. Cleaning your instrument:
Periodically wipe the case with a damp cloth and detergent; do not use abrasives or solvents.
Chapter 7. GPIB and RS-232 C Interface
Safety Regulations
1)
Do not touch any part of high voltage circuit or make any unnecessary high voltage measure-
ments. Do not remove the top or bottom covers of this unit unless you are a qualified service
person. Remove the power from this unit before removing the top and bottom covers.
2)
When servicing this unit, the work area should be free from any electrical hazards. The floor and
workbench where the unit is operated should be insulated and free from any exposed high
voltage conductors. Remove any source of water or other conductive liquids in the working area.
3)
Connect this unit only to a 3-prong AC outlet, which conforms to electrical safety, codes. Do not
use any adapters to connect this unit to an AC receptacle.
4)
Before operating or servicing this instrument, read the instruction manual and fully understand
the operating procedures. If you are servicing the unit, check the circuit you are testing for high
voltage.
5)
Do not use this device in a room alone; be sure there are other people in the vicinity of your work
area in case of an emergency arises. Have emergency telephone numbers posted in the work
area in case a quick response is necessary.
