Kone MX20 - Clutches, Engaging Vanes, Retiring Cams, and Engaging Rollers; Hangers, Tracks, Door Rollers, Up-Thrusts, Safety Retainers; Sills, Bottom Guides, Fastenings, Condition, Engagement

KONE Maintenance Method
MX10 / MX20 MCP Procedures - ASME A17.1-2013 / CSA B44-13
© 2014 KONE Corporation PSK8-604-MX10/MX20
All rights reserved.
55 (-) 2014-12-15
8.6.4.13 (i): Clutches, engaging vanes, retiring cams, and engaging rollers
Procedure Note
Operation of the following items should be as
follows:
• Lock rollers should be in the middle of
coupler vanes.
• Door coupling system should engage
properly, engagement with rollers.
• Door coupling system should operate
quietly.
• Lock rollers should rotate freely.
8.6.4.13.1 (f): Hangers, tracks, door rollers, up-thrusts, safety retainers
Procedure
Examine and maintain the hanger tracks
• Clean tracks of dirt and lubrication build-up, especially at the point the door rollers stop when
the door lock is latched.
• Check the condition of the tracks. Look for worn rolling surfaces, especially at the point the
interlock hook engages the interlock box. Replace tracks, if required.
• Lubricate tracks on freight elevators with 30w motor oil, as necessary.
• Check alignment of the tracks relative to the sills. Adjust the tracks if they are not parallel
to the sills.
8.6.4.13.1 (h): Sills, bottom guides, fastenings, condition, engagement
Procedure
Check hoistway door gibs, brackets, fire tabs and sills.
• Check door gibs and fire tabs for excessive wear and proper sill penetration. Adjust or replace
as required.
• Check fastenings. Tighten as required.
Check sills
• Check for excessive wear.
• Remove debris from sill.
• Check fastenings. Tighten as required.