FRITSCH PULVERISETTE 1, Model I classic line - Manual (Page 11)

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2.6 Safety equipment
Inside the jaw crusher „pulverisette 1“ several elements independently acting
contribute to security:
1. Reaching into the funnel (1) is prevented by the zigzag-shaped material
passageway.
2. A safety switch (11) monitors during the operation the closing of the front cover
(10) and prevents the operation of the machine after the opening of the cover.
⇒ The switch is in accordance with the regulations for the protection of
operators.
⇒ The jaw crusher will not start if the front cover is open.
⇒ The jaw crusher will stop if the front cover is opened during operation..
2.7 Hazard points
• Crushing possibility during the closing of the front cover (10)!
2.8 Electrical safety
2.8.1 General
• The main switch (4) disconnects all-phase of the instrument from the mains.
• If the jaw crusher is not in use over a prolonged period of time, for example at
night, unplug the jaw crusher from the mains
• The machine has a motor protection switch (as per nameplate).matched to the
mains voltage
In the event of overload or a faulty motor or cable, a protection switch
automatically interrupts the flow of power. The jaw crusher can be turned back on
with the main switch (4) once the malfunction is eliminated.
• The jaw crusher is switched on and off with the main switch (4)
⇒ Turn the main switch (4) to the start position Æ : The jaw crusher starts.
⇒ By turning of the main switch (4) to the
Stop position Æ , the jaw crusher:
comes to a halt after approx. 3 seconds.
⇒ The front cover (10) can now be opened.
2.8.2 Protection against warm restart
In case of Power failure , while the machine is in operation, the jaw crusher: comes
to a halt after approx. 3 seconds. Once power is restored the jaw crusher will not
start back up automatically.
⇒ The jaw crusher is protected against re-start.
⇒ Turning the main switch (4) on start position the jaw crusher will start
again.
TIP
Safety equipment must be used in accordance with
the regulations and must not be rendered inoperative
or be removed.
All safety equipment must be checked regularly for
completeness and function.