8
Centrifugal cooling air fans –
B KLG 500/1000
Installation and Operating Instructions
m
DANGER
4 .3 Safety inspection
4 .4 Spare parts
Defective cooling air fans must be completely exchanged according to Directive 94/9 EC. Own repair attempts are
strictly prohibited! Optimal operational reliability of the fans is only guaranteed by manufacturer repairs.
4 .5 Standstill and disposal
The generally applicable safety at work and accident prevention regulations must be observed!
– Electrical work must only be carried out by an authorised electrician.
– Use appropriate lifting equipment and fastening devices to dismantle the fan.
– Dispose of the fan components according to the valid rules and laws.
What should be checked?
How?
Frequency
What measure?
Contact protection cover for
completeness or damage
Visual inspec-
tion
At least 1/2 annually
Improvement or replacement
Unit for damage to blades and
casing
Visual inspec-
tion
At least 1/2 annually
Unit replacement
Attachment of unit
Vis. inspection At least 1/2 annually
Attachment
Attachment of connection ca-
bles
Visual inspec-
tion
At least 1/2 annually
Attachment
Attachment of protective con-
ductor terminal
Visual inspec-
tion
At least 1/2 annually
Attachment
Insulation of cables for damage
Visual inspec-
tion
At least 1/2 annually
Replace cables
Ball bearings for
noiselessness,
free movement
and
zero backlash
Manual check
by turning
the rotor, in
disconnected
state
At least 1/2 annually
Replace unit in case of bearing noise,
sluggishness or backlash
Condensate discharge holes,
where necessary,
for blocking
Visual inspec-
tion
At least 1/2 annually
Open holes
EN
