Retsch SM 300 - Manual (Page 22)

Operating the machine
22
5.3 Overview table of the parts of the device
Element Description Function
A Safety guard for the feed hopper Prevents contact with the feed hopper
B Plunger Releases the material feed chute in pulled state.
Pushes grinding material onto the rotor.
C Metering plunger Pushes the grinding material into the feed chute area of
the fill plunger
– Extended: grinding material can be loaded.
– Inserted: grinding material remains in the area
of the fill plunger.
D Locking pin Prevents, blocks or releases the fill plunger.
– Extended: free movement of the
fill plunger is possible
– Released: fill plunger engages in the uppermost
position
E Mini locking pin Engages the door lock
F Door lock grip Enables the door to be opened
G Control panel Starts and stops the device, adjusts the speed
H Parallel section rotor Grinding tool
I Bottom sieve Influences the ultimate fineness of the grinding material
through the size and type of perforation
J Ring filter Air outlet and filter for material to be ground
K Collecting receiver Collects ground material
L On/off switch (main switch) Disconnects and connects the device to the mains.
– ON = LED (red) STOP lights up
– OFF = all LEDs are extinguished
M 16A socket Power supply
N Housing fan Cools the housing area
O Rotor shaft Accommodates the grinding tool
P Cutting bars Counterpart to grinding tool
R Feed hopper Feeding the grinding material
S Feed hopper fixing screws Safety bolts for the feed hopper
T Grinding area door Closes the grinding area