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T10FS
9
Maintenance
9.1 Torque flange maintenance
The speed measuring system is maintenance free.
9.2 Speed module maintenance
9.2.1 Magnetic speed measuring system
The sensor head and the pole ring contain plastic components. You can clean
these with a dry or spirit impregnated cotton bud or cloth. Do not use any other
solvent!
9.2.2 Optical speed measuring system
During operation and depending on the ambient conditions, the slotted disc of
the rotor and the associated stator sensor optics can get dusty. This will
become noticeable when the polarity of the display changes. Should this occur,
the sensor and the slotted disc must be cleaned.
Use compressed air (up to 6 bar) to clean the slotted disc.
Clean the sensor optics carefully with a dry or spirit impregnated cotton
bud. Other solvents! Do not use any other solvents!
Fig.9.1:
Cleaning points on the optical speed sensor
A0785 14.0 en
57
HBM
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