Siemens SIMATIC PANEL PC 877 Operations Instructions Page 91

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Service and maintenance
11.2 Maintenance and care of devices with stainless steel front
SIMATIC IPC677C
Operating Instructions, 05/2010, A5E02722710-01
91
Cleaning the front membrane
Clean the front membrane using the equipment described below:
Soft, non-abrasive window wipers or a soft, clean rag
Rubber window wipers
Liquid glass cleaners
Kitchen or household paper
Additional information is available in the section "Chemical resistance of stainless steel fronts
(Page 92)".
Cleaning the stainless steel front
For information, refer to the section "Handling of stainless steel surfaces."
Procedure
WARNING
Always switch off the device before you clean the front panel, or set it to a defined state, for
example, by activating a clean screen. This avoids the risk of triggering unwanted functions
when you touch the screen or when a water jet contacts the screen.
CAUTION
Do not rub the front membrane when it is dry.
Make sure that foodstuff does not splash back into the production process.
Follow the general cleaning guidelines.
1. Switch off the device. When the system is in operation, you can also activate a clean
screen on the touch screen.
2. Always dilute glass cleaners with water before you apply these. Use clean water.
3. Use a window wiper or a cloth to wipe off the front membrane. Work from top to bottom.
Rinse off the dirt particles when doing so.
4. Rinse the window wiper or cloth several times.
5. Clean the edges with a cloth or household paper.
6. Moisten the front membrane once again.
7. Remove the moisture with the window wiper, working from top to bottom and without
leaving any streaks. After each pass, wipe off the window wiper with soft household
paper. Wipe off any water accumulating on the bottom edge of the front membrane using
soft household paper.
8. Wipe off the edges using household paper.
9. Clean the stainless steel surface with a neutral, alkaline cleaner or, if necessary, with a
caustic cleaner which does not contain active chlorine. Additional information is available
in the section "
Handling of stainless steel surfaces (Page 92)".
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