Maintenance; Diffuser Adjustment; Replacing The Impeller; Changing The Oil - dreno Kappa K 040-075 Manual Del Usuario

10. MAINTENANCE

Before any intervention, check that the pump is disconnected from the mains power supply and that is not
live. he igures in brackets refer to the position and can be found in the side section. Preventive control and
maintenance, if carried out regularly, ensure the best operation. he pump should be checked every six
WARNING!
months, more oten in di cult operating conditions
PROBLEM
The pump does not work or
does not work properly
The pump does not give the
desired performance

10.1 DIFFUSER ADJUSTMENT

1 - Loosen the 4 or 6 self-locking nuts (depending on the models) that hold the pump base in place.
2 - Remove the mantle.
3 - Remove the sleeves and with a wrench act on the nuts that adjust the distance of the difuser from the impeller,
adjust until you reach the minimum distance between the impeller blades and the bottom of the difuser.
NB try to make this adjustment so that the distance is the same in the various recording angles.
4 - Reassemble everything in reverse order.
Threaded guide pins can be sharp, be careful not to cut yourself
WARNING!

10.2 REPLACING THE IMPELLER

1 - Follow the descriptions on the "diffuser adjustment" up to point 2.
2 - Remove the sleeves and with a wrench act on the nuts that hold the diffuser in place and unscrew them completely.
3 - Remove the diffuser.
4 - Loosen the impeller locking screw located in the centre of the impeller.
5 - Remove the impeller and fit a new one.
6 - Make sure that the impeller locking screw is tightened.
7 - Reassemble everything in reverse order
Threaded guide pins can be sharp, be careful not to cut yourself.
WARNING!
10.3

CHANGING THE OIL

1) Loosen the nuts and remove the plate.
2) Remove the mantle from the pump.
The oil may be under pressure in the sump. Hold a cloth over the oil cap and open with caution, to avoid splashing.
3) Unscrew the oil cap and drain the oil into a clean container. Check the oil.
WARNING!
PARTS OF THE
PUMP
Check that the sheath is intact, check
Cable
that there are no kinks or bends
Check that all parts are intact and
Visible parts
that the screws are tightened well
Check that the grommet ring nut is
Grommet
tight and that no liquid enters the
cover
Check that the oil is clean
Oil chamber
Check the difuser adjustment, check
Difuser impeller
the wear
Check the system for leaks or other
System, pipes and
damage
valves
ENGLISH
INSPECTION
Replace the power cable
Replace if necessary, tighten the
screws and nuts
Tighten the grommet ring nut, replace
the cable and the damaged parts
If the oil is dirty, replace it. If the oil
is dirty and is contaminated, contact
Dreno Pompe
Adjust the difuser, contact Dreno
Pompe
Fix any parts of the system that have
problems
14
INTERVENTION IN CASE OF
FAILURE