7 Servicing/Maintenance
65 of 98
UPA / UPA S
3400.86/17-EN
7.3 Separating pump and motor
WARNING
Pump set tilting or rolling off
Risk of personal injury!
▷
Always secure vertically positioned pump sets against tipping over.
▷
Always secure horizontally positioned pump sets against rolling off.
ü
The power supply has been disconnected and the pump set has been secured
against unintentional start-up.
ü
The pump set has been pulled out of the well or removed from the tank.
ü
The pump set has been disconnected from the piping.
ü
Lifting equipment of sufficient load-carrying capacity is on hand.
1. Attach the pump set to suitable lifting equipment.
2. Pull the pump set upright and make sure it cannot tip over.
3. Remove the cable guard. Observe the minimum bending radius for the cable
18)
.
4. Remove the suction strainer.
5. Remove the grub screw and the additional securing pin/bolt
19)
from the sleeve
coupling at the motor end.
6. Undo the assembly studs between pump and motor.
7. Use the lifting equipment to lift the pump off the motor in a vertical position.
Then place it on a clean and level surface and secure it against rolling off.
8. Secure the key in the shaft stub, e.g. with adhesive tape.
9. Place the motor on a clean and level surface. Secure it against tipping over and
rolling off.
7.4 Motor fill
WARNING
Drinking water/antifreeze mixture could escape
Hazardous to persons and the environment!
▷
Wear safety glasses and protective gloves when topping up, checking and
draining the motor fill.
▷
Observe the national health and safety regulations.
▷
Observe all legal regulations on the disposal.
CAUTION
Incorrect motor fill
Winding damage!
Corrosion damage!
▷
Observe the information sticker on the motor and top up the motor fill as
instructed.
18
See cable manufacturer's documentation or DIN VDE 0298-3.
19
If any