KONE Maintenance Method
MX10 / MX20 MCP Procedures - ASME A17.1-2013 / CSA B44-13
© 2014 KONE Corporation PSK8-604-MX10/MX20
All rights reserved.
25 (-) 2014-12-15
Check brake air gap: emergency and main brake: MX10 and MX20
Procedure Note
1. Move toggle switch (6) on tool (1) to ON to open
the brake.
WARNING! Open only one brake at a time!
WARNING! If the brake release cable is too tight,
when one brake is opened, there is a risk of
opening simultaneously the other brake!
WARNING! Before removing electrical covers,
ensure that the power is switched OFF.
2. Measure the air gap between the brake lining and
the drum by sliding a feeler gauge round the air
gap.
• If the air gap is less than 0.05mm or more than
0.10mm (air gap<0.05mm or air gap ≥0.10mm)
adjust the air gap (see next section).
• If the air gap is within 0.05-0.10mm, brake
adjustment is not necessary.
3. Move toggle switch (6) on tool (1) to OFF to close
the brake.
4. Repeat the brake air gap check for the other brake
(if not already done).
5. Disengage the car blocking device. 6Ensure that
the manual brake release.
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