7 Preservation
7.2 Preserving the inner surfaces
7.2 Preserving the inner surfaces
Personnel qualification:
o
Trained personnel
Personal protective equipment:
o
Work clothing
o
Protective gloves
o
Safety boots
Aids:
o
Preservative (acid-free and resin-free oil)
1.
Open the packaging carefully. If the pump is protected additionally by anti-corrosion paper, en-
sure that it is not damaged.
2.
Close the suction connection of the pump with a blind flange.
3.
Pour the preservative into the pressure connection until it reaches approx. 2 cm under the rim,
while slowly turning the main screw against the direction of rotation.
4.
Close the pressure connection of the pump with a new blind flange.
5.
Close the packaging carefully.
6.
After about six months storage check the filling level of the preservative and if necessary top up.
7.3 Preserving the outer surfaces
Personnel qualification:
o
Trained personnel
Personal protective equipment:
o
Work clothing
o
Face protection
o
Protective gloves
o
Safety boots
Aids:
o
Calcium complex grease (for example TEVI-
ER
®
GREASE WAWE 100 with adhesive additive)
o
Castrol Rustilo DWX 33 or other preservative offering compar-
able protection
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
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.
Operating instructions
OIC 18en-GB Edition 2020-01
17
