Grundfos BMS hs Assembly, Installation And Operating Instructions page 4

Motor installation
Use vibration dampers.
The motor must be leveled. If there is a gap between the
foundation and the motor, use a spirit level, a feeler gauge and
shims to level the motor. Then secure the motor by means of
suitable screws depending on the foundation.
Direction of rotation
WARNING
Electric shock
Death or serious personal injury
- The electrical installation must be carried out by an
authorised person in accordance with local
regulations.
Connect the power supply and check the direction of rotation.
See section 3.4 Electrical installation. The direction of rotation
must correspond to the direction under normal operation. See the
installation and operating instructions for the motor.
Lifting and handling the bare shaft pump
Hoist the bare shaft pump into place, and lower it down slowly.
Fig. 3 How to lift the pump
In order to make the pump fit the motor flange, fit the pump
support foot delivered with the product. Lower the pump until the
support foot reaches the floor.
Assembling the motor and the pump
When assembling the pump and motor, make sure
the inlet pipe points upwards ( position 12 o'clock )
and the drain holes point downwards.
If necessary, you can change the position of the inlet pipe later.
See section Position of the inlet
Inlet pipe
Drain holes
Fig. 4 Position of drain holes
4
pipe.
Alignment of the motor and the pump
Align the motor and pump before you tighten the screws. To
ensure correct installation, follow this procedure.
Step Description Picture
Fit all four screws
for motor and pump
1 connection.
Do not tighten the
screws yet.
Adjust the gap by
means of a feeler
2 gauge or similar
tool. Tighten one
screw by hand.
Adjust the gap 180 °
opposite the screw
you just tightened.
3 Do not tighten the
screw. Move the
pump to adjust the
gap.
Move the pump, and
adjust the gap by
means of the feeler
gauge. Tighten the
4 screw by hand. If
the inlet pipe has to
be turned, see
section Position of
the inlet pipe.
When the gap has
been adjusted,
5
cross-tighten all
screws to 33 Nm.
Fasten the support
6 foot to the
foundation.
The support foot must not impose any tension on the
pump.