Grundfos NK Series Installation And Operating Instructions Manual page 17

Step
21
22
23
24
25
26
Action
Measure the distance
from the S unit to the
rear screw on the motor.
The control box shows
that the laser units must
be turned to position 9
o'clock.
Turn the laser units to
position 9 o'clock.
Confirm on the control
box.
Turn the laser units to
position 12 o'clock.
Confirm on the control
box.
Turn the laser units to
position 3 o'clock.
Confirm on the control
box.
Step
27
28
29
30
31
32
Action
If the measured values
are less than 0.1 mm,
the alignment is
complete. Go to step 32.
Adjust the position of
the motor. Loosen the
screws that hold the
motor in place.
Insert shims with the
required thickness.
Tighten the screws to
the correct torque again.
Repeat the alignment
until the values are
within the tolerances.
Go to step 22.
Check the gap S2. See
the table Air-gap width
S2 on page 18.
17