SEW-Eurodrive DIB Series, Руководство по эксплуатации

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ð
Forced cooling fan and fan guard [35], retaining ring [32]/[62]
and fan [36]
ð
DIB.90-180 Motors: Backstop housing, complete [702].
2. Remove the retaining ring [62] and, if necessary, the spacing ring [49,50].
3. Dismount the backstop [74] using a puller.
4. To alter the blocking direction, turn around the backstop [74].
5. Check the old grease. If necessary, replace the grease as specified below.
ð DIB.90-180 Motors: Press on the backstop [74].
6. Mount the retaining ring [62].
7. Mount the following parts:
ð DIB.90-180 Motors: Replace the gasket [901],a nd if necessary
sealing ring [37]. Mount the complete backstop housing [702].
8. Install the disassembled parts of the motor.
9. Replace the label [78] indicating the direction of rotation.
Lubricating the backstop
The backstop is greased at the factory with the corrosion protection low-viscosity
grease LBZ 1. If you want to use another grease, make sure it complies with NLGI
class 00/000 with a base oil viscosity of 42 mm
2
/s at 40 °C on a lithium saponified and
mineral oil base. The application temperature range is from -50 °C to +90 °C. See the
following table for the amount of grease required:
DIB.. motors 90/100 112/132 160 180
Amount of grease
in g 15 20 30 45
The tolerance regarding the grease level is ± 30%.
7.5.2 Changing the blocking direction
Proceed as follows to change the blocking direction:
ü The motor and all connected options are disconnected from the power supply.
ü The motor is protected against unintended restart.
1. Disassemble the following parts:
Operating Instructions - DIB. AC Motors
45
Altering the blocking direction on motors with a backstop