ZIEHL-ABEGG ZAS0, Operating Instruction

Page: 14 / 72

4.7 Setting the brake release monitoring of the operating brake
The brake release monitoring is set at the factory. A function check should be performed on site. The
brake release monitoring serves to check the function of the operating brake and not to monitor the
wear of the brake lever with integrated brake liner.
Picture 4.7.1: Brake release monitoring
1 Micro switch
2 Switching plate
3 Setting screw
Picture 4.7.2: Detail brake release monitoring: Setting
screw and micro switch
The brake release monitoring is mounted on the bottom of the brake lever.
" The optimum switching point must be adjusted by the setting screw (3).
Setting the switching point
" The switching point should not be set until the spring pre-tension and the operating brake have
been properly set.
" If the pre-tension is changed or the anchor plate is realigned, the switching point of the brake
release monitoring must also be realigned.
" In the fi ne adjustment of the setting screw, the screw head should touch the button of the micro
switch but not yet trigger it when there is power to the brake.
4.8Micro switch of the brake release monitoring
Picture 4.8.1: Micro switch
2
4
1
Picture 4.8.2: Wiring diagram micro switch
1 black
2 grey
3 blue
The micro switch is protected by the retaining plate against damage due to increasing pressure of the
setting screw.
Warning!
" The setting screw can touch the retaining plate of the micro switch when it is worn. Loss of
braking torque possible!
" Due to wear on the brake liners, the distance between the setting screw and the micro switch
must be checked once a year and readjusted if necessary.
4.9 Adjusting the safety brake
The safety brake is optionally available.
The brake is delivered with preset micro switch and air gap! Further information can be found in the
appendix "safty brake - Operating Manual SB or safty brake - Operating Manual SBE".
4.10 Hand wheel
" Mark a direction arrow (up/down) clearly on the hand wheel according to the direction of travel.
2ULJLQDORSHUDWLQJLQVWUXFWLRQV
ZAS0 Mechanical installation
A-TBA11_06-GB
Part.-No. 01008051-GB
14/72