Replacing A Filter Mat; Installing Filter Mats - Siemens SIMOTICS FD 1LQ1 Operating Instructions Manual

Maintenance
9.1 Inspection and maintenance
● There must be a clearance of at least 1 x air intake diameter in the axial direction.
● A uniform gap must be maintained between the impeller and the air intake assembly.
Servicing the external fan motor
● Perform an occasional visual inspection of the external fan motor and check it electrically
● Replace the permanently lubricated rolling bearing on the external fan motor after
9.1.13

Replacing a filter mat

1. Switch off the motor while changing a filter.
2. When replacing a filter, wear protective overalls, a mask to provide protection against fine
3. When replacing the filter mats, check the inner and outer cages for damage. Identify the
4. Only use unused filter mats that are in perfect condition.
9.1.14

Installing filter mats

1. Place the filter mat over the inner cage
2. Place the inner cage with the filter mat in the outer cage
3. Screw the complete assembly, comprising inner cage, filter mat and outer cage onto the
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and mechanically every time the roller bearings are replaced.
40,000 operating hours or five years at the latest.
dust as well as protective eyewear and gloves.
cause if there are signs of moisture, condensation or corrosion.
CAUTION
Used or dried filter mats
Used filter mats can be polluted with hazardous substances or concentrations of
microorganisms that can damage the health. Used filter mats or filter mats that have dried
again represents a health hazard.
● Do not use wet or moist filter mats.
● Immediately dispose of used or dried filter mats.
● Do not store used filter mats in areas where they can come into contact with fresh filter
mats or can cause health hazards, e.g. in the vicinity of foodstuffs.
● Do not use used filter mats or those that appear to be able to still be used in other areas.
separately-driven fan unit.
The tightening torques for the screw connections are listed in the operating instructions of
the separately-driven fan unit.
①
. The filter mat must not develop folds or creases.
②
.
SIMOTICS FD 1LQ1
Operating Instructions 01/2019