Function Test After Repair Work - WAGNER ZIP52 Translation Of The Original Operating Manual

Operating manual Pneumatic double diaphragm pump ZIP52 - ZIP80
11 Function Test after Repair Work
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
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 kΩ
These tests are -relevant!
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.
3. General checks
1. Check the tightening torques of various screws; see Chapter Spare Parts
[8 56].
2. Check all fittings.
3. Empty device (Chapter Emptying Pump [8 44]) and relieve pressure
(Chapter Pressure Relief / Work Interruption [8 38]).
4. Check the functionality of the frame or transport trolley. Check whether the
pump is mounted horizontally on the frame.
52
Aid tools
Ohmmeter
Air motor:
Test medium: Com-
pressed air
Leak spray
Fluid section:
Test medium: Suitable
flushing agent
Torque wrench
Visual check
Order number DOC 2330426 | Edition 09/2021