Ex-
/
Direct driven axial fans explosion proof
1 6
−
bearing play too large?
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grease leaking on bearings?
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surface protection affected ( medium to be ventilated too aggressive!)?
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unusual operation noise?
−
fan capacity for possibly exceeded duct system still sufficient ( forbidden area
of performance curve!)?
8.
5 7
/ REPAIR
5
%
#
%
& *
.
!
Repair of the fan only by qualified and skilled workers in
accordance to applying regulations.
−
%
:
-
#
%
-
'!
.
−
%
%
#
!
−
)
"
'!
#
!
Before any repairs are undertaken please:
−
Stop fan in accordance to regulations and disconnect
all poles from mains supply.
−
Wait until impeller is stationary!
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Make sure that a restart is not possible!
#.
%
&(
"
-
!
Only use original spare parts manufactured and supplied by
Rosenberg!
•
!
−
!
#
−
)
−
2
!
−
.
!