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T10FS
9
Maintenance
9.1 Torque flange maintenance
The torque 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.
Carefully clean the optical system of the sensor with a dry cotton bud or
one soaked with pure spirit. Do not use any other solvent!
Fig. 9.1:
Cleaning points on the optical speed sensor
A0785-1.4 en
59
HBM
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