Chapter 8 - Operation And Use - TECO 302 Serie Bedienungsanleitung

• Repeat the operation for the other pressure switch; when the adjustment is complete,
restore the initial conditions of the pressure switches.

CHaPTEr 8 - oPEraTioN aND USE

8.1 Controls lift WiTHoUT mECHaNiCaL SaFETY DEViCES
The commands for using the lift are:
Main switch (1)
The main switch has two positions:
Position 0: the lift wiring circuit is not powered; it is possible to secure the switch using
a metal padlock to prevent its use.
Position 1: the lift wiring circuit is powered.
Up button (2)
If pressed, activating the motor and the air solenoid valve (if foreseen), permits the lift
to rise.
Down button (3)
If pressed, activating the motor and the air solenoid valve (if foreseen), it is possible to
release the mechanical safeties (if foreseen).
At this point, it locks the motor and activates the exhaust solenoid valve in order to permit
the descent of the lift to the safety height of 400 mm.
Final lowering (4)
If pressed before detecting the safety height (400 mm), it activates the acoustic warn-
ing signal and, after a few seconds, makes it possible to insert the mechanical safeties.
If it is pushed after taking over the safety height, it activates the beeper and, after a few
seconds, final lowering solenoid valve.
Internal acoustic warning signal
124
• Tightentheadjustmentscrewsuntilthe
value 00.1 is indicated on the tester
display.
23c
Operator's m anual