Retsch SR 300 - Switching On; Off; Opening and Closing of the Device

Operating the Device
29
Element
Description
Function
A
Transportation lug
Attachment point for hoist
E
Locking pin
Holds the grinding chamber cartridge in
position
F
Feed hopper
Takes the sample material
H
Locking lever
Locks or opens the door
I
Mains switch
Switches the device on and off, disconnects
the device from the mains
O
Type plate
Lists, among others, the voltage type, the
serial number and the type of the device
P
Sticker "Manual"
Reminds to read the manual
R
Warning sign "Disconnect from
the mains"
Warning of electric shock
S
Mains connection
Connection for the power cable
6.4 Switching On / Off
 Turn on the SR 300 with the mains switch (I) on the back side of the device.
When the device is switched off, it is completely disconnected from the mains.
6.5 Opening and Closing of the Device
The SR 300 has a double locking mechanism (K) that locks the door both, mechanically and
electrically. The electrical locking mechanism is closed by pressing the button, and by
pressing the button opened again after the motor has come to a complete halt. The
mechanical locking mechanism is closed or opened by actuating the locking lever (H) and the
catch mechanism (J).