SEW-Eurodrive EDR200, Руководство по эксплуатации, Страница: 142 / 272

8
Inspection/maintenance
Motor and brake maintenance – preliminary work
Operating Instructions – EDR..71 – 315, EDRN63 – 315
142
Disassembling ES7./AS7.encoders
1. Remove the safety cover [361], or the forced cooling fan if required.
2. Loosen the screws of the connection cover [619] and remove it. Do not disconnect
the encoder cable.
3. Make sure the cone [D] doesn’t fall out while the central retaining screw [B] is
loosened. Loosen the central retaining screw [B] by 2 – 3 turns. Loosen the cone
[D] by tapping lightly onto the screw head.
4. To loosen the expansion anchor [362], remove the retaining screw of the torque
bracket [A]. Carefully pull the encoder [220] from the rotor bore.
Reassembly
1. Apply a contact corrosion prevention compound, e.g. NOCO
®
fluid to the encoder
pin.
2. Place the expansion anchor [362] at the torque bracket of the encoder.
3. Push the encoder into the bore in the shaft end to the stop.
4. Tighten the central retaining screw [B] with the inserted tooth lock washer [G].
ð Tightening torque 2.75 Nm.
5. Press the expansion anchor [362] into the fan guard [35] and check if it is seated
correctly.
6. Screw the retaining screws of the torque bracket [A] into the expansion anchor
[362] until the stop. Tighten the retaining screws of the torque bracket [A].
ð
Tightening torque 2.25 Nm.
7. Screw on the connection cover [619].
ð
Tightening torque 2.25 Nm.
8. Mount the safety cover [361] onto the forced cooling fan.
25896334/EN – 06/2019