Wilo HC 20.1+EMU FA Instrucciones De Instalación Y Funcionamiento página 43

Fig. 12: Changing the hydraulics housing
Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID
Maintenance and repair
1 Hexagon nuts for fixation of the motor/hydraulics
2 Hydraulics housing
1
3 Threaded bolt
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Lifting equipment with sufficient bearing capacity is present.
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Protective equipment has been put on.
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New hydraulics housing is ready.
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Impeller must not be dismantled!
1. Attach lifting equipment with suitable lifting gear to the attachment point of the pump.
2. Place the pump upright.
CAUTION! If the pump is placed down too quickly, the hydraulics housing at the suc-
3
tion port can be damaged. Place the pump down slowly on the suction port!
NOTICE! If the pump cannot be placed level on the suction port, use appropriate ad-
2 justment plates. In order for the motor to be lifted without any problem, the pump
must be vertical.
3. Mark the motor/hydraulics position on the housing.
4. Loosen and remove hexagon nuts on the hydraulics housing.
5. Slowly lift the motor and pull it off the threaded bolts.
CAUTION! Lift the motor vertically and do not tilt! The threaded bolts will be dam-
aged if tilted!
6. Swivel the motor over the new hydraulics housing.
7. Slowly drain the motor. Make sure that the motor/hydraulic markings match and the
thread the threaded bolts exactly into the drilled holes.
8. Screw hexagon nuts and connect the motor to the hydraulics firmly. NOTICE! Observe
the tightening torques in the appendix!
▶ Hydraulics housing changed. Pump can be reinstalled.
WARNING! If the pump is placed in temporary storage and the lifting equipment disman-
tled, secure the pump against falling over and slipping!
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