IMO ACF5 - Start-Up; Before Starting; Direction of Rotation; Safety Precautions before Starting

ACF5 0601.01 GB
www.imo.se
20
ACF
Deaeration plug
Before starting:
Aer installation and whenever it can be assumed
that the pump has been emptied, the pump must be
thoroughly lled with liquid. See g 8. The ACF type
pumps have been ed with a deaeration plug mak-
ing venting of the sha seal compartment easy before
start-up.
In installations with positive suction pressure: Aer
opening the inlet and outlet valves, simply open the
deaeration plug a few turns until oil sips out. Tighten
the plug. In installation with negative suction pressure:
Aer opening the inlet and outlet valves, remove the
deaeration plug and ll the sha seal compartment
with oil. Fit and tighten the plug. See g. 9.
20
m
Make sure the prime mover is locked out
and can not be started accidentally.
Rotate the sha by hand while lling the pump, to
ensure that the rotor bores and the sha seal cavity is
lled.
On the ACF pumps, the pump can be turned using the
sha coupling. If the suction pipe cannot be completely
lled, it is important to ensure that the trapped air is
evacuated without any pressure build up. (See g. 9
Deaeration).
21
;
Starting a dry pump is likely to cause
damage, especially to the sha seal.
Direction of rotation
When the pump is ready to be started, switch the motor
briey on and o and check that the drive motor rotates
in the correct direction as indicated by the rotation ar-
row. The arrow is placed on dierent spots depending
on the conguration of the pump unit but can normally
be found on a steel plate that is riveted to the pump
close to the frame that connects the pump and the
electrical motor.
22
;
Don't mix up with arrow for inlet and
outlet!
Safety precautions before starting
If the fan cover on the electrical motor for some reason
should have been removed during the pump installa-
tion process do NOT forget to put it back as the rotating
fan can cause seriously personal injuries.
If the protecting cover steel net on the pumps frame
that connects the pump and the electrical motor to each
other has been removed do NOT forget to put it back
as the rotating coupling can cause seriously personal
injuries.
Fig. 8 Filling the pump
Fig. 9 Deaeration plug
Start-up