Lorentz PSk2-7 Manual De Instalación Y Operación página 50

48 Pump Installation
CAUTION – Impact between the pump end
and motor can damage the pump system.
CAUTION – The NEMA coupling of the
motor and the pump end must be CLEAN
when the pump end is mounted onto the
motor.
For correct connection pay attention to the following table
with tightening torques. The screws must be tightened
diagonally.
Table 10: Tightening torques for pump/motor connection
Pump / Motor
M8
M12
M16
When pump end and motor are assembled, lift the pump
unit a little and remove the lower clamp on the motor. Now
lower the pump carefully downwards into the bore hole
until the upper pipe clamp is resting properly on the support
structure. Be careful not to allow the pump to hit the side of
the well or this may cause damage.
WARNING – Always take suitable security
precautions (like a strong safety rope) to
safeguard the pump against slipping into
the well during installation!
Torque
Torque [Nm]
[lb × ft]
18 13
70 52
150 110
Figure 29: Dismantling the lower clamp
Now the next piece of clamped pipe can be mounted onto
the flange/connector of the previous one. Only use suitable
bolts and sealing material. ("Figure 30: Connecting the next
piece of pipe" on page 49)