6.5.2 Power OFF, but the OSG switch has not
been switched OFF
• Inform the passengers that you are about to
let them out and they must not try to do any-
thing by themselves
• If there is battery backup for EBRA20 (keeps
the brake system open for approx. 3 hours and
drops then down) the brake is not actuated
and the car can be moved following the rescue
plan given for that specific elevator type
Normally:
open the motor brake and turn
the hand wheel.
If there is no battery
, and a hand wheel is
available, try to move the car into next
door zone (even if EBRA20 is closed); resp.
try to rescue the people without moving
the car. If that is not possible continue
next step
• Go to the car roof and open the nuts (5) hold-
ing the EBRA20 magnet so that the magnet
can be blocked with the delivered clamp (4) or
a C-clamp.
• Open the EBRA20 by screwing the magnet
holding nuts (5) so that the brake shoes do not
touch the guide rails - car starts to move
STOP opening if the car starts to move
OR
Open the EBRA20 by pressing the brake
forks (6) - e.g. by means of a C-clamp
• If the car does not move even if the EBRA20
brake is open, follow the rescue plan given for
that specific elevator type to get the car to the
door zone
• Open the door and let the passengers come
out
6.5.3 Car cannot be moved following 1 and 2
- Power OFF and the OSG switch has
been switched OFF
• Inform the passengers that you are about to
let them out and they must not try to do any-
thing by themselves
• Find out what was the reason for overspeed.
Are the motor brakes or gear BROKEN? IF NOT
continue like described in chapter 6.5.2.
Otherwise wait for the power to come ON.
• If the time is expected to be long for the
power to come ON or the EBRA20 could not
be opened even if the power is on:
Rescue the passengers trough the car roof
if no other possibilities.
Blatt/
sheet
D7AJMGB.020
Datum/
date
23.05.2002
Stand/
version
B-24.05.2005
Geprüft/
approved
WAT/MZE
THE LMC LIFTCOMPONENTS MANUFACTURING AND COMMERCE COMPANY
Änderungen vorbehalten! Subject to change without notice!
Braking System EBRA20
Operating instruction
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