GEA D-tec D, Operating Instruction

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Servicing intervals
Component Measure
Valve with elastomer valve seat seal such as
EPDM, FKM, HNBR
Valve with
TEFASEP® gold
valve seat seal
Feedback
Check of mechanical parts and visual
inspection of condition – function test
Check of mechanical
parts and visual
inspection of condition
– function test
Pneumatic
connections Check of mechanical parts and visual
inspection of condition – function test
Check of mechanical
parts and visual
inspection of condition
– function test
Electrical connections
Check of mechanical parts and visual
inspection of condition
Check of mechanical
parts and visual
inspection of condition
10.4 Prior to disassembly
Requirement:
• Make sure that during maintenance and servicing work no process is in
operation in the area concerned.
Carry out the following steps:
1. Drain all pipe system elements that lead to the valve and, if necessary, clean
or rinse them.
2. Disconnect the power supply.
3.
Take the valve out of the pipe section, with all housings and housing
connections if possible.
®
Done.
10.5 Disassembling the valve
10.5.1 Disassembling the main valve
Maintenance
Prior to disassembly
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