Kone MX20 - Page 28

KONE Maintenance Method
MX10 / MX20 MCP Procedures - ASME A17.1-2013 / CSA B44-13
© 2014 KONE Corporation PSK8-604-MX10/MX20
All rights reserved.
28 (-) 2014-12-15
Procedure Note
8. Reinstall locking plates.
MX10
Reinstall top and bottom locking plates (11) to
secure adjustment screws (10), taking care not
to change position of adjusting screws (10).
MX20
Reinstall top and bottom locking plates to
secure adjustment screws, taking care not to
change position of adjusting screws.
9. After adjusting brake air gap, brake switch
must be adjusted.
Adjust brake switch any time air gap is
changed using procedure found in section
titled: ADJUST BRAKE SWITCH, FINE
ADJUSTMENT
10. Check center nut (1), verifying that washer
under nut is loose and turns freely. If
washer does not turn freely, center nut (1)
is preventing brake from setting fully and
will reduce brake holding torque. Loosen
center nut (1).If center nut (1) is too loose,
manual release will not open brake. Tighten
center nut (1), but do not over tighten.
Washer must turn freely.
11. After adjusting brake, run car several long
runs, then stop. Feel around brake and
drum for warm spots. Warm spots indicate
brake shoe is dragging on drum. Readjust
brake as necessary to eliminate brake
dragging on drum.