Maintainance / Service - IMPPUMPS GHNDbasic II Betriebs- Und Montageanleitung

Fig 6: 1. speed.
5.2

MAINTAINANCE / SERVICE

Before any work is started, check that the pump is isolated from the power supply and cannot be energized.
The user of the unit should prevent any unauthorized person from uncontrolled recoupling of the pump.
In case of high water temperatures and pressures in the system allow the
The pumps are high-quality products. For that reason they can operate in normal conditions several years without
maintenance.
If a pump did not operate for a longer period of time, it can be blocked when attempting to start it.
To deblock the pump proceed as follows:
Switch off the pump, close the valve on both pressure and suction sides of the pump, unscrew the vent for deaeration,
place the screwdriver (Fig. 1 - POS. 5) in the notch on the shaft and twist as longer as friction forces allow. Then screw
the vent for deaereation.
The unit is not intended for children, adults with physical, mental or emotional impairments, as well as unskilled people,
unless under close supervision.
Never leave children unattended near the unit.
While ordering spare parts please provide all particulars indicated on the pump rating plates.
Fig 7: 2. speed.
Fig 9: Characteristics of the pump at different speeds
18
Fig 8: 3. speed.
pump to cool. Danger of burns!