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B_04015
B_04066
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OPERATING MANUAL
VERSION 12/2012 ORDER NUMBER DOC 2330426
9.1 SAFETY INSTRUCTIONS
Mark the coupled parts (Diaphragm covers, distributor, covers) with a felt-tip
pen so as to make subsequent reassembly easier.
a) Remove the suction and delivery manifolds.
b) Disassemble the fastening nuts and remove the outer diaphragm
covers. Disassemble the pressure side cover (1).
Prior to maintenance and cleaning measures note:
Wear protective clothing and use speci c protection devices with regard to the nature of the uids
involved.
Close the compressed air supply and release the pressure from the pump and pipes connected to it.
Depending on the operation, disconnect the material and air side connection pipes.
Remove the pump from the base or support it is fastened to. Turn the pump upside-down over a container
suitable for collecting any liquid it may contain.
After the pump has been reassembled and reinstalled following maintenance operations:
check the e ciency of the grounding connection of the individual parts of the pump.
Carry out pressure retention test in accordance with chapter 6.5.3. Check that no air ows out.
Note: All threads are right-hand threads.
9.2 DIAPHRAGM REPLACEMENT PREVENTIVE MAINTENANCE