Motor Fill - Dn 100; Motor Fill - Uma 150, Uma-S 150, Uma 200, Uma-S 200, Uma 250, Uma-S 250 - KSB UPA Installation & Operating Manual

22 Fill check kit
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7 Servicing/Maintenance

7.4.1 Motor fill - DN 100

The DN 100 motor is supplied filled with drinking water / antifreeze mixture,
providing protection for temperatures down to -15 °C. Usually, the fill liquid does not
need to be topped up or replaced.
NOTE
The loss of a few drops of liquid fill will not impair the motor function. If any larger
amounts of leakage are suspected, the motor fill must definitely be checked.
7.4.2 Motor fill – UMA 150, UMA-S 150, UMA 200, UMA-S 200, UMA 250, UMA-S 250
UMA 150, UMA-S 150, UMA 200, UMA-S 200, UMA 250 and UMA-S 250 submersible
motors are supplied filled with a drinking water/antifreeze agent mixture, providing
protection for temperatures down to -15 °C.
1. If the submersible motor has been stored or out of service for more than one
year, check the motor fill.
7.4.2.1 Checking the motor fill of UMA 150, UMA-S 150, UMA 200, UMA-S 200, UMA
250 or UMA-S 250 submersible motors
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.
A special test pin is required to check the motor fill. This test pin can be ordered as an
22)
accessory .
Fig. 31: Drawing of the test pin, dimensions in [mm]
Table 28: Diaphragm distances
Motor type series
UMA 150
UMA-S 150
UMA 200
UMA-S 200
UMA 250
UMA-S 250
UPA / UPA S
44
59
64
Material variant
E, C, D
E, C, D
G, C, D
G, C, D
G, C, D
G, C, D
Distance required (A)
44 mm +/- 2 mm
44 mm +/- 2 mm
44 mm +/- 2 mm
44 mm +/- 2 mm
64 mm +/- 2 mm
64 mm +/- 2 mm