TXP Inst. & Maint. Manual: IM-825
49
WARNING!
Risk of injury due to im-
proper maintenance and
repair
Improper maintenance and
repair can result in serious
personal injury or property
damage.
Maintenance work may
only be carried out by
qualified personnel au-
thorized by the opera-
tor.
Use only original spare
parts.
Observe and observe
the moments of rota-
tion and tightening.
Before unauthorized
re-entry.
After the maintenance
work is complete,
make sure that all pro-
tective devices and co-
vers are mounted and
working.
NOTE
Damage to property due to
incorrect spare parts
Incorrect or faulty replace-
ment and components from
third-party manufacturers can
cause serious damage.
When using unapproved
spare parts, all warranty and
service claims will be for-
feited.
Use only original spare
parts
7.2 Measures before mainte-
nance and repair work
Before starting maintenance, check
the following points:
•
The fan is switched off
•
The fan is secured against re-ener-
gizing and disconnected from the
mains
•
The impeller of the fan stands still
•
The fan has cooled down
•
Required tools and spare parts are
available
•
Discontinued operating states or
control settings are noted
•
Note our hints in the guidelines to
the frequncy converter.
7.3 Notes on maintenance and
repair work
Wear parts are subject to the recom-
mended maintenance intervals. The ser-
vice life of consumables (ball bearings
and filters) depends on the operating
hours, the load and other influences
such as temperature, etc.
Depending on operating hours, loads
and operating conditions, the operator
must set the cleaning, inspection and
maintenance interval himself.
Cleaning or maintenance shall not result
in damage or alteration of the device
and its components that affect health or
safety, and must not, for example, im-
pair the balance of the impeller.
7.4 Review and Control
Perform the following checks each time
you perform maintenance: