Only adjust the stroke length when the pump is running.
This is easier and also better for the pump.
20 0
0
50
25
75
5
75%
0
5
0
25
10
30%
P_SI_0095_SW
Fig. 35: Adjusting the stroke length
n 100% = 4 rotations
n 25 % = 1 rotation
n 0.5 % = 1 scale mark on stroke adjustment dial
Check whether the earthing lines in the pump's electrical units are cor‐
rectly connected and connected to a clean earth wire - see earthing dia‐
grams in the appendix.
Check whether the potential equalisation lines are sitting correctly on the
pump and connected to a clean potential equalisation point.
Check for the correct function of the auxiliary equipment and for correct
interplay.
Adjusting the stroke length
Earthing lines
Potential equalisation lines (mandatory
with ATEX)
Auxiliary equipment
Start up
65
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