Stahl KB2, Руководство по эксплуатации

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Operating Instructions KB2 Keyboards Maintenance, overhaul and repair
Page 38 of 68
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R. STAHL HMI Systems GmbH / OI_Keyboard_KB2_en_V_01_00_02.docx / 07.03.2022
11.2 Maintenance
Because the transmission of the devices remains reliable and stable over long periods of time,
regular adjustments are not required.
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Regularly clean the trackball.
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If the device is operated in temperatures around freezing point, clean the trackball regularly
to ensure there is no liquid / water inside it.
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Clean the trackball with a damp cloth only. Do not use any abrasive cleaning materials, and
no cleaning agents. Under adverse ambient conditions the trackball may have to be cleaned
at shorter intervals.
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Replace damaged seals with original parts by the manufacturer only.
For trackball cleaning, see chapter 22.1 Trackball cleaning
11.3 Repair
The devices cannot be repaired by the customer.
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Any repair on the device is to be performed by R. STAHL only.
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The devices must be dismounted by qualified staff only (see chapter 3.3 Personnel
qualification ).
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Returned devices must be accompanied by a description of the fault.
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Remove any residual substances. Take particular care with seal notches and slits to which
residual substances might adhere.
Substance residues adhering to device
Substance residues adhering to the device may result in skin lesions
and must be removed.
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Do not return any devices for which you cannot be absolutely sure
that any hazardous substance residues have been completely
removed.
CAUTION