Impeller Replacement; Oil Replacement - dreno Compatta 1 M Manual De Uso

Series Compatta *(EVO), Alpha V *(EVO), Alpha *(EVO), AM-AT, DNB 65
A) *Turn the pump upside down while keeping the oil plug turned upwards.
B) Remove the oil plug, and let the oil flow out of the tank.
C) Unscrew the four screws that connect the motor casing to the body pump.
D) Remove the body pump.
E) Keeping the impeller blocked, unscrew the hexagonal head screw or the self locking nut, which connect it
to the motor shaft.
F) Unscrewing this screw or nut, you can easily remove the impeller. Before mounting a new impeller, pay
attention that the terminal part of the shaft is clean and without imperfections.
G) Assemble the body pump paying attention to put correctly the oring between the oil chamber plate and
oil chamber flange.
H) *Fill up the oil chamber, follower the operation on paragraph 11 (Oil Change).
*only for EVO versions.
Series DNA, DNB 80
A) Unscrew the four screws that connect the motor casing to the body pump.
B) Unscrew the four screws that connect body pump to closing plate and remove the closing plate.
C) Keeping the impeller blocked, unscrew the hexagonal head screw or the self locking nut, which connect it
to the motor shaft.
D) Unscrewing this screw or nut, you can easily remove the impeller. Before mounting a new impeller, pay
attention that the terminal part of the shaft is clean and without imperfections.
Series GRIX
A) Unscrew the 4 screws that connect the pump body on the tripod.
B) Remove the grider rotating part, unscrewing the screw inside.
C) Remove the the tripod support.C) Keeping the impeller blocked, unscrew the nut, which connect it to the
motor shaft.
D) Remove the impeller. Before mounting a new impeller, pay attention that the terminal part of the shaft is clean
and without imperfections.
The oil used to refill the chamber of our electropumps is ecological, non toxic, tasteless and colourless.
(Marcol 82 ESSO, Pharma 19, Q8 WF15 or equivalent product)
Change the oil:
- When at a simple inspection you find that it is mixed with other liquid
- At overhaul
- After 2000 hours of operation or in any case once a year.
To replace oil (where expected)
A) Turn the pump upside down while keeping the oil plug turned upwards
B) Unscrew the plug
Warning:
In case of seepage through the seal, the oil tank could be under pressure; be very careful and protect yourself
from sprays. Take care not to endanger people or the environment when replacing oil, especially if the pump
has worked with toxic fluids.
C) Slowly turn the pump to let all the oil flow out of the tank (Iet it drip for a few minutes)
D) Wash the chamber inside with washing oil.
E) To refill oil, place the pump so that the plug is turned upwards
F) Fill the chamber with non-toxic, tasteless and odourless paraffin oil. (Marcol 82, ESSO, Pharma 19 or
similar).
G) The chamber is full when the oil level is 20 mm below the oil plug thread.(see the section 9 for the exactly
oil quantity.
H) Before screwing back the screw plug, check the gasket and replace if required.

10. Impeller replacement

11. Oil Replacement

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