Operating instructions
27. Electricity supply not right
•
check voltage of all phases (2-phase running)
•
check cable connections
•
check fuses
28.
Sealing insufficient
•
tighten screws
•
replace sealing
29.
Bearing damaged
•
replace
•
check lubricant and bearing space for pollutants (rinse oil area)
30.
Discharge too small
•
increase minimum amount carried (open slide valves, bypass)
31.
Discharge too high
•
reduce amount carried (throttle slide valve)
32.
Relief fittings insufficient
•
clean relief openings in impeller
•
replace worn parts (impeller, split rings)
•
adjust in line with the system pressure/intake pressure given on ordering
33.
System-related vibrations (resonance)
•
seek assistance
34.
Manometer indicator wrong
•
check manometer
•
get rid of blockages
•
put manometer in suitable place (no flow distortion or burbling)
8. Repairs
Repairs to the pump or pump system may only be carried out by authorised skilled
personnel or by the manufacturer's specialist staff.
We would be pleased to send you detailed repair instructions on request. Trained Customer
Service engineers are available to assist with installation and repair work on request.
When removing the pump, you must comply with Point 1.4 „Safety instructions“, Point 3.1
„Transport, Handling“ and Point 4.8 „Dismantling“.
Pa 100/3-en
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