Kone MX20 - 3.4 Maintenance Procedures Outside the Hoistway

KONE Maintenance Method
MX10 / MX20 MCP Procedures - ASME A17.1-2013 / CSA B44-13
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57 (-) 2014-12-15
3.4 Maintenance Procedures Outside the Hoistway
8.6.4.13.1 (e): Hoistway door unlocking devices and escutcheons
Procedure
Ensure the function of emergency opening device:
• The lock can be opened using the emergency opening key
• The lock returns to closed position by itself after an emergency opening
8.6.4.4: Hoistway access switches
Procedure
Check hoistway access switches for proper operation. Ensure they cannot be operated outside
the code defined zones noted below:
• Lowest landing: Car travel in the up direction is limited to the point where the bottom of
the platform guard is even with the hoistway entrance header.
• Landing other than the lowest landing: Car travel in the down direction is limited to the
height of the crosshead above the car platform. Car travel in the up direction must be limited to
the distance the platform guard extends below the car platform.