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6
Replacing Major Components
6.1
Safety notes
Page 42
6 Replacing Major
Components
6.1
Safety notes
Danger of electrical shock. When working on a open device connect the device
via an isolation transformer.
Follow the procedures for the prevention of accidents and environmental
protection according your national guidelines.
Observe precautions for handling electrostatic sensitive devices when opening the
device.
6.2
Replacing the battery
6.2.1
Maintenance interval for the battery
• The battery is maintenance free during its normal life.
• The battery should remain charged during storage. If the storage period exceeds
three months, recharge the battery.
• Replace the battery approximately every 4 years (depending upon application) if
the actual running time falls substantially under 2 hours.
Philips screwdriver 1
1.
Disconnect the device from the mains.
2.
Loosen the 3 Philips screw from the back housing.
3.
Remove the cover.
4.
Remove the old battery.
5.
Insert a new battery.
6.
Charge and calibrate the battery.
When a battery is replaced, the new battery must be calibrated to check capacity and
ensure correct charging. This is carried out from the service screen (see page 28).
AT-10 plus
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