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Maintenance
9.2 Corrective Maintenance
Assembly
To mount the external fan unit, perform the above instructions in reverse order.
1. To ensure the degree of protection, seal the mounting plate with a liquid sealant.
2. Position the external fan unit axially in the housing attachment and tighten the fixing screws.
3. Ensure that the retaining components are undamaged and correctly installed.
4. Pay attention to the central alignment of the nozzle to the fan impeller.
See also
Seal the motor (Page 148)
9.2.3.3
Adjusting the external fan
● Ensure that an unbroken uniform gap of at least 2 mm is maintained between the fan
● Pay attention to the central alignment of the nozzle to the fan impeller.
● For alignment, loosen the fastening screws of the nozzle and align the nozzle centralized
138
For inspection and for alignment of the nozzle, you can open the inspection openings.
To ensure the degree of protection, seal the inspection opening covers with a liquid sealant.
impeller and the inlet nozzle.
with the fan impeller.
SIMOTICS FD 1LN1
Operating Instructions 01/2019
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