Kone MX20 - Safety Gears

KONE Maintenance Method
MX10 / MX20 MCP Procedures - ASME A17.1-2013 / CSA B44-13
© 2014 KONE Corporation PSK8-604-MX10/MX20
All rights reserved.
60 (-) 2014-12-15
8.6.4.5: Safeties
Maintenance Procedures: Safety Gears SGB01, 02, 03, 04, 05, 06, 07 AND AQ11B, C, D
NOTE! If KONE safeties are installed, a product specific KONE SAFETY GEAR
APPLICATIONS RECORD must be affixed to the controller, on which all full load safety
applications that occur at rated speed or governor tripping speed must be entered.
All safety components must be inspected after each application to monitor wear. The safety
spring block and shoes/wedges must be replaced according to the information on the KONE
SAFETY GEAR APPLICATIONS RECORD.
Procedure Note
Check the operating condition of the safety gear.
.
Wedges must be clean and move freely.
Check the operation of the safety gear contacts.
Clean and adjust contacts, if necessary.
Check system function of the Overspeed governor
and Safety gear with an empty car and at reduced
speed.
Safety measure:
After every operation of the overspeed governor and
safety gear check that both are operational before
placing the elevator back in normal service.
Clean every other year unless, for
example, dirty or humid circumstances
require more frequent testing.
Inspection of the safety gear and wedges
SGB01, SGB02, SGB03, SGB05, AQ11B, AQ11C and AQ11D