Pentair JUNG PUMPEN MULTIFREE AW1 Originalbetriebsanleitung Seite 11

7. Fit a new feather key in the shaft key-
way and grease it.
8. Slide the new impeller right onto the
shaft.
9. Immobilise the rotor and tighten the
central fastening screw as specified
in the torque table. No adjustment is
needed to the impeller.
10. Mount the motor unit on the ring
housing; the cable entry point is oppo-
site the discharge branch.
WHAT TO DO IN THE
EVENT OF ANY
PROBLEMS
Pump does not work
∙ Check mains current (do not use a
pin gauge)
∙ Fuse faulty = may be too weak (please
refer to Electrical Connection)
∙ Mains supply cable damaged = repair
to be carried out by manufacturer
only
Pump runs but does not pump
∙ Empty pressure pipe or hose to allow
the non-return valve to open and let
the air escape from the ring housing.
∙ Ventilate the pump housing by un-
screwing the "LUFT" (air) sealing
screw.
The impeller is blocked
∙ Solids and fibrous matter have be-
come lodged in the ring housing
(please refer to Maintenance)
Decreased pumping performance
∙ The impeller is blocked (please refer
to maintenance)
∙ The impeller is worn out = replace it
∙ Wrong direction of rotation = change
2 phases of the power supply
ENGLISH
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