Pentair Jung Pumpen Multistream 10/2 A1, Инструкция по эксплуатации

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ENGLISH
4. Tighten the four cylinder head screws again.
5. After this, readjust the impeller gap again.
Replacing the impeller
CAUTION!
Worn impellers can have sharp edges.
1. Remove the 4 hexagonal screws and lift the motor unit off
the spiral housing.
2. Block the impeller.
3. Loosen the central impeller screw located in the impeller
hub.
4. Loosen the impeller by knocking it gently with a hammer
and then slide it off the shaft.
5. Clean all the parts of the impeller mounting.
6. Grease the shaft cover on the inside.
Notice! Do not use
grease containing graphite, such as "Molykote".
7. Fix all the parts of the impeller mounting in place and tigh-
ten the impeller screw until it is “hand tight”.
8. Slide the new impeller over the preassembled impeller
mounting onto the shaft.
9. Mount the motor unit on the spiral housing; the cable entry
point is opposite the discharge branch.
10. Set the gap dimension to 0.5 - 0.8 mm and then tighten the
impeller screw to 160 Nm.
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 pump housing.
• Ventilate the pump housing by unscrewing the "LUFT" (air)
sealing screw.
The impeller is blocked
• Solids and fibrous matter have become lodged in the pump
housing (please refer to Maintenance)
Decreased pumping performance
• The impeller is blocked (please refer to maintenance)
• Rotor gap too large = adjust (please refer to maintenance)
• The impeller or the wear plate is worn out = replace it (please
refer to maintenance)
• Wrong direction of rotation = change 2 phases of the power
supply
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