® Copyright ATH-Heinl GmbH & Co. KG, 2013, All rights reserved. / Misprints and technical changes reserved / Issue: 09/2016
22
Bleeding of hydraulic system
1. After the first filling with hydrauli oil the button
LIFTING must be pressed for appr. 30 seconds for
pumping the oil into the hydraulic system.
2. Raise the lift until the max. lifting height. (this height
is
not
allowed to be over 1.900 mm!!)
3. Open the upper cover of the control switch and
press the button for bridging the limit switch (6)
and the button for bridging the light barrier (7) for a
few seconds until both scissor platforms are at the
same height.
4. Lower the lift completely by pressing the button
LOWERING.
5. Repeat the lifting and lowering process at least twice
times more.
Emergency lowering in case of power breakdown
1. Switch the lift off with the main switch and secure it
against a restart.
2. Open the front cover of the control box
3. Loosen the screw of the safety valves (A) by
turning counterclockwise
4. The lowering of the lift will be activated by
loosening the screw of the lowering valve (B).
!!! ATTENTION: With this screw the lowering speed
can be adjusted!!!
5. After the complete lowering of the lift all screws
must be retightened again.
