Readjusting The Micro Switch - KEB COMBISTOP 38 Instruction Manual

Mounting and Start-up
4.1.4.3

Readjusting the Micro Switch

Warning!

Check the setting again as described in section "4.1.4.2 Checking the Micro Switch
Settings".
If the ON signal does not properly switch to the OFF signal, repeat the readjustment of
the micro switch.
01.09.2011 Rev. 01
Loss of Braking Efficiency!
Before readjusting the micro switch, mechanically secure the load
against unintended movements and disconnect the brake from load!
The micro switch is adjusted with mounted but de-energised brake
and preset air gap X.
Loosen the hexagon nut (5).
Turn the hexagon head screw (4) towards the
micro switch (1) until it contacts the micro switch
tappet.
Connect the measuring instrument to terminal 1
and 4 (normally open contact) of the micro switch.
Turn the hexagon head screw (4) towards the
micro switch (1) until the normally open contact is
closed (ON signal).
Turn back the hexagon head screw (4) until the
normally open contact opens again (OFF signal).
Lock the hexagon head screw (4) with the
hexagon nut (5).
COMBISTOP Type 38 Page 20