KONE Maintenance Method
MX10 / MX20 MCP Procedures - ASME A17.1-2013 / CSA B44-13
© 2014 KONE Corporation PSK8-604-MX10/MX20
All rights reserved.
12 (-) 2014-12-15
Each replacement component shall be plainly marked for identification in accordance with the
certifying organization’s procedures. In jurisdictions not enforcing NBCC, door panels, frames,
and entrances hardware shall be provided with the instructions required by 2.11.18.
NOTE (8.6.3.7): Devices that may fall under this requirement are included but not limited to
hoistway door locking devices and electric contacts, car door contacts and interlocks, hydraulic
control valves, escalator steps, fire doors, and electrical equipment.
8.6.3.8: Replacement of Door Reopening Device.
Where a reopening device for power-operated car doors or gates is replaced, the following
requirements shall apply:
(a) The door closing force shall comply with the Code in effect at the time of the installation or
alteration.
(b) The kinetic energy shall comply with the Code in effect at the time of the installation or
alteration.
(c) When firefighters’ emergency operation is provided, door reopening devices and door closing
on Phase I and Phase II shall comply with the requirements applicable at the time of installation of
the firefighters’ emergency operation.
8.6.3.9: Replacement of Releasing Carrier. Where a replacement is made to a releasing carrier,
the governor rope pull-out and pull-through forces shall be verified in conformance with
8.11.2.3.2(b).
8.6.3.10: Replacement of Hydraulic Jack, Plunger, Cylinder, Tanks, and Anticreep Leveling
Device
8.6.3.10.1: A hydraulic jack replacement shall be classified as an alteration and shall comply
with 8.7.3.23.1.
8.6.3.10.2: A plunger replacement shall be classified as an alteration and shall comply with
8.7.3.23.2.
8.6.3.10.3: A cylinder replacement shall be classified as an alteration and shall comply with
8.7.3.23.3.
8.6.3.10.4: A tank replacement shall be classified as an alteration and shall comply with
8.7.3.29.
8.6.3.10.5: An anticreep leveling device replacement shall be classified as an alteration and
shall comply with 8.7.3.31.3.
8.6.3.11: Replacement of Valves and Piping. Where any valves, pipings, or fittings are replaced,
replacements shall conform to 3.19 with the exception of 3.19.4.6. Replacement control valves
must conform to the Code under which it was installed.
8.6.3.12: Runby and Clearances after Re-roping or Shortening. The minimum car and
counterweight clearances specified in 2.4.6 and 2.4.9 shall be maintained when new suspension
means are installed or when existing suspension means are shortened. The minimum clearances
shall be maintained by any of the methods described in 8.6.3.12.1 through 8.6.3.12.3 (see
8.6.4.11).
8.6.3.12.1: Limit the length that the suspension means are shortened.
8.6.3.12.2: Provide blocking at the car or counterweight strike plate. The blocking shall be of
sufficient strength and secured in place to withstand the reactions of buffer engagement as
specified in 8.2.3. If wood blocks are used to directly engage the buffer, a steel plate shall be
fastened to the engaging surface or shall be located between that block and the next block to
distribute the load upon buffer engagements.
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