Starting the crushing process
Fig.4
•
Carry out adjustment as described in the preceding section.
•
Press the START button
C
.
Fig.4
The green LED above button
C
lights up, the BB 51 starts up.
•
Set the desired gap width using the handwheel
F
.
Turn anti-clockwise to open the gap.
Turn clockwise to close the gap.
Display
E
indicates the gap width in
mm
.
The end of the crushing process is signalled by a change of noise and
the machine can be switched off.
Feeding in the input material
Fig.5
The feed hopper
H
and the crusher chamber can take input material up to
a grain size of 35 mm.
The feed hopper is not however intended for storage of process material:
its function is solely that of feeding material into the crusher chamber. It
also prevents inadvertent reaching into the crusher chamber, and stops
process material from being ejected..
Fig.5
•
Check that the drawer and inserted receptacle are pushed in.
•
Open the lid on the feed hopper
H
.
•
Feed the material into the hopper.
•
Close the lid on the hopper
H
.
Feed material into the hopper only when the machine is in operation.
Mechanical components may otherwise be damaged.
The maximum quantity of input material is limited by the capacity of the
withdrawable receptacle. The useful capacity of the receptacle will depend
on the properties of the input material. Remember to empty the receptacle
in good time.
Crushed material must not be allowed to back up in the crusher
chamber
.
Mechanical components may otherwise be damaged.
17.12.1998
©
Retsch GmbH
13
Doc. No. GB 98.056.9999
