KSB UPA Installation & Operating Manual page 71

24 On UMA 150 submersible motor in material variants C, D.
7 Servicing/Maintenance
2
Fig. 38: Sizes UMA 200, UMA-S 200, UMA 250, UMA-S 250 in material variants C, D
1 Inlet valve with screw plug
2 Outlet valve with filter plug
3 Earthing bolt
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.
21
2
1
Fig. 39: Venting sizes UMA 150, UMA-S 150
1 2 21
Fig. 40: Venting sizes UMA 200, UMA-S 200, UMA 250, UMA-S 250
ü The fill level has been checked.
ü Sufficient liquid of the specified concentration is available for filling the motor.
ü A drain pan for any escaping fill is available.
1. Place the pump set or motor down in a horizontal position. Support it in such a
way that the inlet valve is at the highest point. Secure the pump set or motor
against rolling off.
2. Remove the filter plug or screw plug
3. Gently insert the test pin into the inlet valve until air and some bubble-free
liquid escape.
4. Press the filling syringe against the inlet valve and top up the motor fill until the
diaphragm distance measured is smaller than the required distance A.
5. Adjust the diaphragm distance to the required distance A by draining (venting)
or topping up the motor fill as required.
6. Insert the filter plug or screw plug
UPA / UPA S
1
3
24)
from the inlet valve.
24)
into the inlet valve.
71 of 98