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8 Operation, Check and Maintenance
8.1 Attention
A. Before put into operation for every shift, check the protector to ensure that it
controls the press normally.
B. During operation, do not change the position of light curtain.
C. When changed the mould, the position of light curtain should be adjusted by an authorized
person.
D. When a malfunction happened, only professional technicians are allowed for repairing.
E. Before replacing or installing protector and transmitting wires cables, power to protector should be
switched off. It is operated only by professional technicians.
F. During operation, do not let work pieces, tools or waste matters hit the protector.
G. When a protector with a reset button is applied, the slide of press stops at once every time when
light curtain is blocked; when light curtain is recovered from the blocked state to light passing
state, only by pressing reset button , the slide could move downward (or press re-start).
H. If the protector and press are not normal, please stop immediately to use the protector, and
protect by other means, and check them at once.
When a protector is constrained to stop using:
A. For W type controller, keep the power on and put the key switch in "CAUTION" position;
When the protector is constrained to stop using, other protection means shall
be taken during the time.
