7
www.ves.co.uk
Before a emp ng to carry out any maintenance work, inves ga ve work, or repair work
on our units, the unit
MUST BE COMPLETELY ISOLATED
from its electrical supply. Ensure a
minimum of two minutes a er electrical disconnec on before removing access panels.
Warning
Before a emp ng to carry out any work on our units, all accompanying documenta on
including warning labels on the unit must be referenced.
Should it be necessary to remove any component ensure that these are secured into
posi on once reinstalled. It is cri cal that a er any maintenance work has been
conducted that all components removed/replaced are refi ed correctly by a competent
engineer.
When accessing the unit always use the handles to ensure the access panels are
handled/opened in a controlled manner so as to avoid damage to the unit or injury to
personnel. This is par cularly important with bo om access units.
Cau on
Remove the access panels and loosen the bolts holding the inlet eye in place. Align the
inlet eye and impeller ensuring the inlet eye is central to the impellor and make sure gap
‘
A
’ is constant. Hand ghten the bolts and rotate the impellor t o ensure the it runs
smoothly, secure into posi on b y gh tening the r etaining bolts.
A
Ensure that the clearance gap “A” between fan and inlet eye is constant. Misalignment
may cause undue wear on the impeller and inlet eye.
Always make sure the fan is rota ng in the
correct direc on (an -clockwise when viewed
from the motor). Direc on of airflow is
indicated on the unit.
Impeller/Inlet Eye
Alignment
The impeller should r otate freely, this posi on is f actory set. In the unli kely event of
movement during transit realign the impellor with the inlet eye.
Important
Impeller rota on
Cau on
Before star ng the unit ensure the following set-up procedures are completed. Work to
be carried out by a competent engineer.
Important
Note:
Motor rota on can be seen on the motor
cooling fan on the end of the motor.
WP units may require the temporary removal of
the motor cover.
Set-up
5
Fig.
7
Fig.
8
t-line
Extract Units
