Operating manual Pneumatic double diaphragm pump ZIP52 (PF Eco) Finishing
11 Function Test after Repair Work
Order number 2332848 | Edition 08/2020
51
11 FUNCTION TEST AFTER REPAIR WORK
After all repairs, the device must be checked for safe condition before recommissioning. The
necessary scope of inspection and testing depends on the repair carried out and must be
documented by the repair personnel.
Activity
Aid tools
1. EX-relevant tests
4
Check the ground connection between the corresponding ground
connection of the pump and the frame/trolley, and between the individual
parts of the frame/trolley:
<100 k
Ω
These tests are
-relevant!
Ohmmeter
2. Leaktightness check
1. Connect the pump to the air supply (6 bar).
2. To perform a tightness check on the device, the product pressure with the
flushing agent is slowly increased in increments until the maximum
pressure indicated on the type plate is reached.
3. Close pump outlet.
4. Allow to stand in this position for 0.5-1 minute and listen for audible
blowing off.
5. When the air supply is turned off, a drop in pressure must be watched for.
Air motor:
Test medium: Com-
pressed air
Leak spray
Fluid section:
Test medium: Suitable
flushing agent
3. General checks
1. Check the tightening torques of various screws; see Chapter Spare Parts
2. Check all fittings.
3. Empty device (Chapter Emptying Pump [
41]) and relieve pressure
(Chapter Pressure Relief / Work Interruption [
4. Check the functionality of the frame or transport trolley. Check whether the
pump is mounted horizontally on the frame.
Torque wrench
Visual check