8 Installation, removal
7.4 Removing the preservation
1. Brush calcium complex grease corrosion protection (for example TEVIER
®
FETT WAWE 100
with adhesive additive) to the mounting surfaces.
2. Brush or spray preservative (for example Castrol Rustilo DWX 33) onto the process connections
and remaining plain and unpainted parts.
3. At intervals of about six months check the preservation and if necessary repeat.
7.4 Removing the preservation
Personnel qualification: o Trained personnel
Personal protective equipment: o Work clothing
o Face protection
o Protective gloves
o Safety boots
Aids: o Solvent
o Collection tank
o Steam-jet cleaning device with wax-dissolving additives
DANGER
Magnetic field.
Risk of death for persons with cardiac pacemaker, metallic implant or neurostimulator.
► Under no circumstances may persons with cardiac pacemakers, metallic implant or
neurostimulator perform work on the pump/pump unit.
CAUTION
Risk of injury through emitted preservative.
► Wear personal protective clothing during all the work.
► Collect any discharging preservative safely and dispose of it in an environmentally compatible
manner in accordance with the applicable local regulations.
1. Clean the outside of the pump with solvents, if necessary using a steam-jet cleaning device.
2. Remove the pressure-side blind flange carefully in order to reduce any pressure that may exist in
the pump.
3. Drain the pump, collecting the preservative in a suitable vessel.
4. Remove the blind flange on the suction side.
5. To remove the residual preservative, flush the pump with the pumped liquid.
8 Installation, removal
8.1 Dangers during installation
The following safety instructions must be observed strictly:
o Have all work carried out only by authorized qualified personnel.
o Before installation ensure that the operating limits, NPSH values and ambient conditions are ob-
served.
o Observe the tightening torques Ä Appendix,Page58.
o Ensure that all the components can be accessed and that maintenance work can be carried out
easily.
8.2 Dangers during removal
The following safety instructions must be observed strictly:
o Have all work carried out only by authorized qualified personnel.
o Before beginning work, let the pump unit cool down to the ambient temperature.
o Collect any discharging pumped liquid safely and dispose of it in an environmentally compatible
manner in accordance with the applicable local regulations.
o Ensure that the collection tank for discharging pumped liquids is sufficiently large.
Operating instructions
OIK 09en-GB Edition 2019-11
15