Starting And Stopping; Checking The Correct Electrical Connection - Berkel BS+2020 T Manual De Uso

5 Starting and stopping

5.1

Checking the correct electrical connection

ing the correct electrical connection (see 5.1)
Note: In the machines connected to a single-phase line and designed for single-
phase power supply, the correct rotation direction is defined directly by the manu-
facturer.
5.2 Checking the presence and efficiency of the guards and safety
devices
1
A - Checking the efficiency of the micro switch "4" (Fig. 5.2.1)
With the machine connected to the mains and blade working, open the snap lock
"2" thus releasing the casing "1". Slightly open the casing until the micro switch "4"
cuts in. This operation should stop the machine to prevent object or hands coming
into contact with pulleys and moving blades. Reclose the casing "1" and lock it with
the snap locks "2". The machine should not restart when the casing is closed - the
start button must be pressed to enable restarting. In the case of faulty operation,
switch the machine off and call the servicing department
Fig.5.1.1
Set the differential switch fitted upstream to position
"I".
1
Use the speed selector to choose the motor speed.
The illuminated indicator "2" indicating that the ma-
2
chine is powered must be illuminated. Press the start
3
button "1" and, immediately afterwards, the stop but-
ton "3", checking the blade rotation direction. The
blade must rotate in the direction indicated by the
arrow "4" fig. 5.1.1, i.e. towards the work top. If the
rotation direction is incorrect, disconnect the differen-
4
tial switch, setting it to "0". In this way the electrical
power supply is disconnected. Invert one current
wire in the plug and repeat the procedure for check-
2
3
21
Fig.5.2.1