Cosen C-620NC, Instruction Manual, Page: 54 / 122

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STANDARD ACCESSORIES
Blade tension device

This blade tension device equipped with hydraulic cylinder provides
appropriate tension to the saw blade.

To tighten the saw blade, turn the selector to .

Upon saw blade breakage, the safety device will activate and
automatically stop all machine operation.

The limit switch of the safety device can be reset by turning the
blade tension selector to .

To change the blade, turn the handle to to release saw
blade tension.
Never adjust blade tension while the blade is running.
Blade speed/motion detector

Besides detecting the blade speed, the speed/motion detector also
functions as a safety device.

The speed/motion detector protects operators and the machine by
preventing blade overloads and consequent damages if a saw
blade breaks or skids.

Once blade breakage or slippage is detected, the drive wheel will
stop in 10 seconds.
Inverter

This inverter is installed inside the machine base. It is used to
control and stabilize the saw blade speed during cutting.

To adjust blade speed, use the blade speed control knob on the
control panel.
Note:
1. Make sure the terminal points are connected.
2. Make sure the ambient temperature is within acceptable
range and keep the surroundings well ventilated.
3. Keep the inverter away from dust.
4.
For repair or maintenance, please contact your local agent.