Operations & maintenance manual – ASTRA evo (DDE)
ARGALAIR 2020 | Rev. 6
29
•
emptying of pump casing;
•
disconnecting piping from connections;
•
unlocking of fastening screws to the base;
•
washing with water or suitable solvent as appropriate;
•
transporting;
Work to be carried out by
skilled personnel
(required technical skills: notions of mechanical
processing, sensitivity to damaged parts due to impact or abrasion during handling, familiar
with tightening bolts on different plastic/metal materials, use of precision measuring
instruments):
•
opening and reclosing of pump casing;
•
removing and replacing of damaged parts;
3.4 PUMP INSPECTION
WHEN THE PUMP IS NEW OR REASSEMBLED:
•
We recommend to retighten the Fluid Chamber screws after a few days of operation. Make sure to
use the right torque, see chapter “Tightening torques”.
•
We recommend to conduct a
PERFORMANCE TEST
when the pump is new to measure the capacity
at specific air pressure/flow. This information is useful for checking performance as wear takes place.
•
We recommend to conduct a
ROUTINE INSPECTION
on the pump to detect any problems (for
example a change in sound of the running pump can be an indication of wearing parts). Through
this test we can see the presence of liquid leaks and variations in the performance of the pump
itself.
3.5 COMPLETE INSPECTION
•
The intervals for a
COMPLETE INSPECTION
depend upon the characteristics of the liquid,
temperature, materials used in the pump and running time.
•
Please contact our Technical Office for any questions and / or requests regarding the need for a
complete inspection. Refer to the paragraph TROUBLESHOOTING AND POSSIBLE CAUSES within this
manual.
•
In the manual we indicate also which parts are most subject to wear (ARGAL provides them as spare
parts for start up and 2 years).
3.6 TROUBLESHOOTING AND POSSIBLE CAUSES
DEFECT
CAUSE
SUGGESTION
1
The pump does not run
Circuit without air
Check the circuit: valves, connections,
pressure regulators
Insufficient air pressure
Increase the air pressure
Insufficient air flow rate
Check that the pipes and fittings have suitable
passages
Summary of Contents for ASTRA Evo DDE 030
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