Retsch BB 200 - Manual (Page 12)

04/05/2012 Retsch GmbH
12
The operating controls and their functions
Summary table
Element Description Function
A
ON/OFF switch and motor protection
switch Starts and stops the jaw crusher drive; isolates the motor
from the power supply in case of overloading
B Fill hopper
Provides for the feed of material; prevents unintentionally
reaching into the grinding chamber; prevents ejection of
the material being processed
C Receiver drawer V = 5 dm 3 Accepts the ground sample material
D Hand barrier Prevents unintentionally reaching into the grinding
chamber
E Hex-head bolt Affixes the hand barrier
F Two machine screws The fill hopper B can be swung to the rear once these
screws have been removed.
G Limit switch Disables the drive (motor) when the fill hopper B is not in
its normal operating position
H Clamping shim Secures the breaker jaws J on the breaker arms S and T.
I Machine screw Secure the clamping shim H
J Breaker jaws The size reduction components proper
K Pointer Indicates at scale M the width of the gap, at a tolerance of
±1mm
M Scale
Indicates, in conjunction with the pointer K, the width of
the gap; used to zero the gap width adjustment to
accommodate for breaker jaw wear.
N Lock nut Locks the threaded spindle O
O Threaded spindle
Increases the gap width when turned to the left, decreases
when turned to the right
P Screw eyes Lifting points when using lifting tackle to move the device
Q Pin When the pointer K is removed and the fill hopper B
swung to the rear, the pin can be pulled out and the
breaker arm S removed.
R Wearing plate Prevents damage to the side panels
S Breaker arm, stationary
The breaker jaw J is mounted here; the gap width can be
modified by adjusting the threaded spindle O.
T Breaker arm, moving
The breaker jaw J is mounted here; executes the grinding
motion required for size reduction without manual effort