AS-11.65.037
17 (40) (A) 2009-10-16
KDL16
Maintenance Instruction
© 2009 KONE Corporation
All rights reserved.
Disclosure prohibited
6 MACHINERY OPERATIONS
6.1 Safety measures
With MRL elevators the car roof is used as a working platform. Therefore the special safety procedures
and working methods are mandatory.
The following safety measures must be carried out before the actual work.
Step Action Illustration/Note
1 Drive the car to the topmost floor.
2 Take the elevator out of use. Ensure the car and car roof are empty.
3 Put safety barriers around the work place if
needed.
4 Open the MAP.
Switch ON the RDF.
Only with MRL elevators.
5 Move the car on RDF to a suitable working
level with access to topmost landing,
machine and drive module.
Only with MRL elevators.
6 Engage the blocking device. Only with MRL elevators.
7 If the elevator could not be moved on
RDF to a suitable working level:
• Switch OFF the main switch (220).
• Lock and tag them.
• Move the empty car upwards opening
the brake or downwards using the
counterweight lifting tool.
•Close the MAP.
Only with MRL elevators.
Empty car upwards:
Open the machine brake. Move the car
upwards in small steps.
Empty car downwards:
Use CWT lifting device, refer to operation
instruction AS-01.05.001.
8 Disconnect and prevent reconnection of the
possible emergency power supplies.
9 Switch OFF the main switch (220).
Lock and tag.
10 Wait for 5 minutes.
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