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T10FM
9
Maintenance
The torque flanges without a speed module are maintenance‐free.
9.1 Speed module maintenance
During operation and depending on the ambient conditions, the slotted disc of
the rotor and the associated stator sensor optics can get dirty. This will
become noticeable when the polarity of the display changes. Should this
occur, the sensor and the slotted disc must be cleaned.
1. Use compressed air (up to 6 bar) to clean the slotted disc.
2. Carefully clean the optical system of the sensor with a dry cotton bud or
one soaked with pure spirit. Do not use any other solvents!
Fig. 9.1:
Cleaning points on the speed sensor
A0894-5.2 en
41
HBM
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