Kone MX20 - Astragals, Resilient Members, Space and Sight Guards; Clutches, Engaging Vanes, Retiring Cams, Engaging Rollers; Kinetic Energy and Closing Force for Automatic Doors (Horizontal)

KONE Maintenance Method
MX10 / MX20 MCP Procedures - ASME A17.1-2013 / CSA B44-13
© 2014 KONE Corporation PSK8-604-MX10/MX20
All rights reserved.
15 (-) 2014-12-15
8.6.4.13.1 (g): Astragals, resilient members, space & sight guards
Procedure Note
Check to ensure that the strike jamb bumpers and
astragals are in place and are pliable.
Repair or replace worn, damaged or
missing components, as required.
8.6.4.13.1 (i): Clutches, engaging vanes, retiring cams, engaging rollers
Procedure Note
Clean components, as required.
Check alignment of the clutch. The clutch should be plumb. Adjust, as
required.
Check the engaging (pick-up) rollers for proper
engagement in the clutch and for proper running
clearance. These dimensions should be the same at
every floor.
Note: If the relationship of the pick-up
rollers to the clutch vanes is changing
frequently check to ensure the cab
stabilizers have not become loose.
Check tension of the retiring cam drive belt or chain. • Adjust or replace the drive belt or chain,
as required
• Lightly lubricate the chain with chain oil.
8.6.4.13.2: Kinetic Energy and Closing Force for Automatic Doors (Horizontal)
Procedure Note
Kinetic Energy for Automatic Doors (Horizontal)
To test the kinetic energy:
• Check the time the leading edge of the door
takes to travel the code zone during closing.
• Verify that the average door closing time for the
doors is greater or equal to the minimum door
closing time shown on the door operator data tag.
• The code zone for side opening doors is
measured at 2 in (50mm) from fully
opened to 2 in (50mm) from fully closed
positions
.
•
The code zone for center opening doors
is measured at 1 in (25mm) from fully
opened to 1 in (25mm) from fully closed
positions.
• Adjust the doors, as required.
Closing Force for Automatic Doors (Horizontal)
• Park the car at floor level and start the doors in
the closing direction. Allow the doors to start
moving in the closing direction to about midway
of their normal travel and stop them.
• Push a force measuring device designed for that
purpose (KONE US45371) against the leading
edge of the door, removing the stop so the door
is held stationary by the gauge.
• Back the gauge off until the door is barely held
stationary by the gauge and read the value. The
closing force may not exceed 30lbf (135N).
Adjust the closing force, as required.