12
Explosion proof stationary fan
WPA-P-N/Ex 07.02.2017
9.
Maintenance
The construction and a solid execution of the fan, guarantees its operational use, without the
routine constant everyday maintenance. To obtain correct functional performance of the fan
and to meet the Occupational Health and Safety rules, it is recommended to carry out techni-
cal revisions at regular periods. In the course of technical inspection check the function of the
fan and the technical state of its elements.
Technical revisions on the fan must be executed by a qualified person with
adequate authorization. Additionally, the fan should be necessarily discon-
nected from the power supply system.
During the technical revisions, follow the instructions
included in the User’s Manual of
the motor, that constitute integral part of the main User’s Manual of the fan.
Within the scope of the technical revision are following steps:
–
Systematically, keep clean the inlet grill.
–
Periodically, check the mechanical and electrical connections. Moreover, when defective
function is by noise or visually spotted
– undertake the technical revision of the assembly.
–
Examine the fan (motor
– according to the instructions of motor manufacturer). Within the
scope of maintenance, clean the fan from the deposited impurities.
Before the start-up, follow subsequent steps:
– Disconnect the fan from the power supply. Exemption from this
are activities that must be executed at the running fan, i.e. vibration
measurements (especially here are important Occupational Health and
Safety regulations).
– Wait until the fan impeller stops rotating.
The fan can be restarted after the control steps are carried out, as described in Section 6
“Assembly and Start-up”.
10.
Occupational Health and Safety
Start-up and the operational use of the fan are admissible after getting acquainted
with the contents of the present Use and Maintenance Manual.
The fan shall not cause any mechanical hazard under the condition it is correctly and firmly
mounted to the floor and to the ventilation system.
Any installation activities related to the power supply system, have to be carried out strictly
according to the enclosed Connection Diagram and in accordance with the instructions given
in Section 6 of the present Use and Maintenance Manual.
Connection to the power supply system ought to be carried out by
a qualified person, according to the being in force regulations.
The fan motor must be protected from short-circuit- and overload effects.
In the course of operational use, examine the connection to the PE protective cable.
