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Maintenance
9.2 Corrective Maintenance
3. Remove the torque arm of the speed encoder.
4. Withdraw the speed encoder from the shaft using a pressure screw. The procedure
106
depends on the mounted speed encoder.
Speed encoder "Heidenhain EQN 425"
– Remove screw M5x50.
– Screw in a grub screw (M5x50) and a screw (M6x70) one after the other. This releases
the speed encoder from the shaft journal taper.
– Remove the speed encoder.
Speed encoder "Hübner-Berlin HOG10, HOG11 andHMG111"
– Remove screw M6x25.
– Screw in the screw M8x60. This releases the speed encoder hollow shaft from the shaft
journal.
– Remove the speed encoder.
Figure 9-2
Replacing a speed encoder
SIMOTICS HT Series HT-direct 1FW4...1......A
Operating Instructions 11/2018
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