KONE Maintenance Method
MX10 / MX20 MCP Procedures - ASME A17.1-2013 / CSA B44-13
© 2014 KONE Corporation PSK8-604-MX10/MX20
All rights reserved.
54 (-) 2014-12-15
KES Hoistway Door Interlocks
Maintenance procedures for KES190 (MDS1) lock
Door lock and contacts
Procedure Note
Operation of the following items should be as follows:
• Landing lock must keep door closed, move freely
and close by itself.
• Safety circuit must be interrupted if the door opens.
• Lock hook and beak must overlap a minimum of 7
mm (X), when contact operates.
• Contact bridge should push the door contact
surface a minimum of 2 mm (Y).
• Free play between lock hook and lock beak should
be nominal 2 mm.
• Contacts should be clean and have minimal wear
(metal visible).
• Contact pins of contact bridge should be aligned to
the middle of contactor holes (not touching the hole
edges, A-A).
• Electrical terminations should be tight and secure.
• Check that lock rollers can roll easily (not stuck).
To Next Page
Loading...