
36
B_04213
OPERATING MANUAL
VERSION 01/2013
ORDER NUMBER DOC 2335747
9.1
SAFETY INSTRUCTIONS
Mark the coupled parts (diaphragm covers, manifold, covers) with a felt-tip pen so as to
make subsequent reassembly easier.
Note:
When executing the following operations it is imperative to avoid any rotation of the shaft
in the motor block!
a) Remove the suction and delivery manifolds.
Prior to maintenance and cleaning measures note:
Wear protective clothing and use specifi c protection devices with regard to the nature
of the fl 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 effi
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
or liquid escapes.
Note
: All threads are right-hand threads.
9.2
DIAPHRAGM REPLACEMENT (PREVENTIVE MAINTENANCE)
Содержание PM500
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