Overview of control elements
Item Element Illustration Function
A Mains power cable
Connects the machine to the mains power supply (earthed
socket)
B
Main switch ON/OFF
with overload protection
Connects and disconnects the controller from the mains
power supply.
Disconnects the motor from the mains power supply in the
event of overload.
C
START button
Starts the BB 51.
Green LED lights up when the button is pressed.
D
STOP button
Stops BB51.
Red LED lights up when the machine is switched on.
Puts the BB 51 in standby mode when pressed a second time.
E
Gap width indicator
Indicates the gap width set in mm.
F
Handwheel for setting gap
width
Turn clockwise to close the gap. Turn anti-clockwise to open
the gap.
G
Gap zero adjustment but-
ton
Press to reset the indicator display to 00.0.
H
Feed hopper and lid
akes the input material. Prevents the input material from
bouncing back and protects against excessive release of dust.
K
Drawer
See preceding page
For insertion of receptacle L.
L
Receptacle with capacity
of approx. 1000 ml
See preceding page
Holds the crushed output.
M
Transport handles
See preceding page
For lifting and carrying the BB 51.
17.12.1998 © Retsch GmbH 11 Doc. No. GB 98.056.9999
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