Retsch BB 300 - Manual (Page 13)

07/02/2012 Retsch GmbH 13
Overview table for the graphic
Control Description Function
A
ON/OFF and motor protection switch Starts and stops the jaw crusher motor, interrupts the
power supply when the motor is overloaded.
B Feed hopper
Facilitates material feed, prevents inadvertent reaching
into the crusher chamber, prevents ejection of process
material.
C Chamber for a collecting bin A collecting bin with external dimensions:
height = 280mm//width = 450mm//depth = 650mm
can be inserted here.
A collecting bin on rollers, V= 50l, is available as an
accessory.
D Door Open =
collecting bin can be inserted, BB 300 cannot be started.
Closed =
BB 300 can be started, inadvertent reaching into the
machine is impossible.
E Door catch Prevents the door from opening of its own accord.
F Limit switch Stops the motor when the door is open.
G Clamp Fastens the crusher jaws K to the crusher arms Q and P.
H Cheese head screw Fastens clamp G
K Crusher jaw Pulverisation tool
L Pointer Indicates the gap width in conjunction with scale M, pitch
2.5 mm.
M Scale
Indicates the gap width in conjunction with pointer L,
adjusts the zero position of the gap width when the jaws
are worn.
N Lock nut Locks the spindle O for gap width adjustment.
O Spindle Increases the gap width when turned anti-clockwise,
reduces the gap width when turned clockwise.
P Wear plates Prevent wear on the side parts.
Q Fixed crusher arm
Accommodates crusher jaw K, facilitates adjustment of
gap width with spindle O.
R Moving crusher arm
Accommodates crusher jaw K, performs the necessary
crushing motion.