Technical Inspection; Maintenance - Liemke KEILER–25 LRF Manual De Instrucciones

17. TECHNICAL INSPECTION

A technical inspection of the device is recommen-
ded before use.
> Check the external appearance of the device
(there should be no cracks in the casing).
> Check the condition of the lens and eyepiece
(there should be no cracks, greasy spots, dirt or
other deposits).
> Check the condition of the rechargeable battery
(this should be charged) and the electrical
contracts (there should be no presence of salts or
oxidation).

18. MAINTENANCE

Maintenance should be carried out at least twice a
year and consist of the following actions.
> Wipe the external surfaces of metal and plastic
parts free of dust and dirt with a cotton cloth.
Silicone grease may be used for this.
> Clean the electrical contacts of the unit using a
non-greasy organic solvent.
> Check the glass surfaces of the eyepiece and the
lens. If necessary, remove dust and sand from the
lenses (preferably using a non-contact method).
Cleaning of the external surfaces of the optics
should be done with substances designed
specially for this purpose.
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