ALBIN PUMP ALH - Page 58

58 albinpump@irco.com  Albinpump.com  Albin Pump ALH Instruction Manual
since 1928
ALH
Supplemental Instructions
for ATEX Certied Materials
10 - Drive the pump
The maximum speed of rotation of the pumps must be respected (see certication of the pumps).
At the start or after any modication of the pumping installation, the speed of rotation of the pump
must be controlled and must be lower than the maximum speed indicated in the instructions.
10. 1 - Alignment of the pump and the drive (only for the ALHS pumps)
To carry out the alignment and the coupling, use a perfectly straight ruler to control osetting and
thickness gauges for angular misalignment.
It is important to control alignment with each stage of the installation as indicated below in order to
make sure that none of these stages generate constraints on the group or the pump :
- after xing the pump on the foundations
- after xing the piping
- after the pump has functioned at a normal temperature of use
IMPORTANT: one should not rely on the exible coupling to compensate for a misalignment.
10. 2 - Flexible coupling
Certied ATEX exible coupling must be used. These couplings must have a level of protection
equivalent or higher than that of the pumping installation.
For the instructions of maintenance of certied ATEX exible coupling of the ALBIN pumping
installations, please refer to the technical note of the coupling.
10. 3 - Electric installation of the motor or the motor reducer of the pump
Check the agreement between the indications of the motor gauge and the supply voltage.
For the connection of the motor to the electrical supply network, follow the indications of the
manual supplied with the motor. Follow the assembly diagram of wiring, make sure the wires are
adapted to the power consumption and make sure the contacts are tight.
The motors must be protected by suitable circuit breakers and fuses.
Make sure the earth connections are properly made.
Dry run the pump to make sure that the connections are correct and that the direction of rotation
corresponds well with the suction and the discharge of the installation.