Sharp SV-4328 Maintenance Manual page 53

PRECISION MACHINE TOOLS
2) Electrical box
(a) Please well guard the relevant keys.
(b) The machine has two security keys to prevent the electrical box from being opened arbitrarily.
The functions are presented on the right figure.
(c) Keep the user's manual at an easily accessed location. If the manual word can't read, please call
the agent and confirm the model as well as the model number of the machine.
Locked electrical box:
The box cannot be opened by
unauthorized personnel.
Main power switch：
Before performing and maintenance,
repair or for any emergency condition,
turn of this switch.
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Ver 2 Maintenance Manual