P
P
a
a
g
g
e
e
5
5
o
o
f
f
2
2
4
Please also check the coupling alignment after fixing the pump set and the base to the foundations.
3.4. COUPLING ALIGNMENT
The pump must be connected directly to the gear box and or the transmission system through a flexible coupling.
The coupling alignment (both angular and parallel) MUST BE KEPT among the pump, the box gear, the motor etc. according
to the manufacturer's instructions.
To check the parallel alignment, it is advisable to use a dial gauge (if none is available, use a ruler). Turn both shafts with the
hand, checking the gauge readings in a whole turn. The maximum deviation should be lower than 0.005 “ (0.127 mm).
To check the angular alignment, insert the thickness gauge between the both halves of the coupling. Check the spacing
every 90º around the coupling (four check points). The maximum variation should not be higher than 0.005 “ ( 0.127 mm).
Alignment check:
DIAL GAUGE
FXED TO
THE SHAFT
RULER THICKNESS GAUGE
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