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Table 10-8
Brake type
Siemens
L4
L8
L16
L32
L60, L80
L150
L260, L400
FDX30
FDX40
10.8.5
Replacing the friction lining
Unintentional starting of the drive unit
Switch off the power supply to the drive unit.
The brake must be in a torque-free condition.
Secure the drive unit to prevent it from being started up unintentionally.
Attach a warning notice to the start switch.
Procedure
1. Remove the fan cover.
When combined with manual release:
Unscrew the manual brake release lever.
With external fan:
Remove the fan cover together with the external fan.
2. Detach the connection cable.
3. Remove the fan locking ring and pull out the fan.
4. Loosen the brake screws evenly and remove the screws completely. Adjust the solenoid, see .
5. Pull the rotor completely off the hub.
6. Check the hub gearing.
7. Check the friction surface at the bearing shield. If there is severe scoring on the friction plate
or flange, then replace the friction plate or flange. Rework the friction surfaces if there is
severe scoring on the bearing shield.
Motors for mounting onto SIMOGEAR gearboxes
Operating Instructions, 01/2024, A5E53220841A/RS-AA
Tightening torque for the brake screw
Brake supplier
INTORQ BA BFK458 (06E)
INTORQ BA BFK458 (08E)
INTORQ BA BFK458 (10E)
INTORQ BA BFK458 (12E)
INTORQ BA BFK458 (14E), IN‐
TORQ BA BFK458 (16E)
INTORQ BA BFK458 (18E)
INTORQ BA BFK458 (20E), IN‐
TORQ BA BFK458 (25E)
Precima FDX30
Precima FDX40
WARNING
Service and maintenance
10.8 Servicing the brake
Thread size
3 x M4
3 x M5
3 x M6
3 x M6
3 x M8
6 x M8
6 x M10
6 x M10
6 x M12
Tightening torque
Nm
3
6
10
10
25
25
50
50
90
101
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