Service Protocol - Nederman FlexFilter EX Manual De Instrucciones

EN FlexFilter EX
20

Service protocol

To be copied, filled in and saved as a service record.
If controls give results (for example measured values) which differ much from
earlier results, this must be understood as a warning signal and lead to more
careful investigations.
FlexFilter EX No
Control points
Relief panel inspection
Remove dust deposits, clean work area
Inspect/clean outside FlexFilter
Cleaning valve, check function
Filter bags, visual check
Remove corrosion by grinding, primer and
touch up paint
TVFD closing time
TVFD replaced.
Main filter replaced
Control filter replaced
Inspect/Clean inside FlexFilter*
Gaskets, check and replace if necessary*
Compressed air, check and adjust (6-10 Bar)**
TVFD valve operation**
Explosion relief panel not blocked
Risk area clear**
Earth control measurement
GND1 - High top ring (≤100 Ω)
GND1 - Low top ring (≤100 Ω)
GND1 - Pressure relief panel (≤100 Ω)
GND1 - High inlet ring (≤100 Ω)
GND1 - Low inlet ring (≤100 Ω)
GND1 - TVFD outlet. (≤100 Ω)
GND1 - On the filter bags (≤100 Ω)
GND1 - Control filter (≤100 Ω)
Incoming duct – Incoming net earth (≤10^5 Ω)
GND1 – Net earth extern (≤10^5 Ω)
Signs and warnings
* When replacing filter bags
** Check when changing Bulk-Bags / container
60
Date
Operating hours:
Preformed by:
Result Result Result