4.3 After Use
- When suction is complete, set the Vacuum Switch to “0” and inspect all
parts for damage or excessive wear. Replace parts if necessary.
- Clean the LSU according to section 5.3.
- Perform the Device Test according to section 3.2.3.
- Place the LSU on charge (see section 5.4).
5.1 General
- Make sure the maintenance instructions under section 4.3 are followed.
- If the device is not in frequent use (i.e. less than once a month), the Device
Test should be performed both on a monthly basis and after each use.
5.2 Battery
- To maintain satisfactory operation of the battery, it is recommended to
place the LSU on continuous charge when not in use.
- Replace the battery when it does not pass the Battery Quality Check
(see section 5.5 for details), or after 3 years.
- Do not store the LSU with an discharged battery.
5.3 Clean the Cabinet
Warning: Disconnect the LSU from external power prior to cleaning.
Use a minimum of liquid to prevent any electrical shock hazard.
Do not immerse the LSU or allow it to stand in water or other liquids.
This can damage the device, and cause electrical shock resulting in injury
to persons.
- Use a cloth or sponge that is dampened with a mild detergent (hand dish-
washing liquid or similar) to clean the external surfaces of the LSU. Use
a detergent that is compatible with the materials listed under section 9.7,
and follow the detergent manufacturer´s instructions.
- Use a cloth or sponge dampened with water and wipe the surfaces again.
- Dry the surfaces using a clean cloth or a paper towel.
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5. Maintenance
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