MAINTENANCE
9-5MS 3000 • 9095-032A
Fig.9-2 Motorbrake
2. Remove the brake release lever
using an open ended spanner.
3. Remove the fan cover (9) from the
motor.
4. Use a feeler gauge to check the width
of the air gap "a" adjacent to the
hollow threaded collars (2).
The width of the air gap "a" must be
adjusted as follows:
6. Remove the device securing the fan
and remove the fan from the shaft.
7. Unscrew the hexagonal bolts (6) by a
½ turn.
8. Screw all the threaded collars (2)
equally far into the stator (8).
9. Turn the hexagonal bolts (6) equally
until the air gap "a" has the correct
width.
10. Screw the threaded collars (2) out of
the stator until they are in contact with
the fixed part.
11. Check that the width if the air gap is
the same over the whole of its length.
12. Tighten the hexagonal bolts (6) with a
torque loading of 25 Nm.
The adjustment of the hand
release may not be changed, not
even when air gap "a" is
readjusted, as security can be
adversely affected.
13. Re-fit the fan and secure it to the
shaft.
14. Mount the fan cover and the brake
release mechanism.
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