Cosen C-620NC, Instruction Manual, Page: 59 / 122

4 ‐ 25
Step 6 ‐ Open the idle and drive wheel covers.
Step 7 ‐ Loosen the left and right carbide inserts by pressing the “carbide insert unclamp” button
from the HMI touch screen.
Step 8 ‐ Press wire brush down button to move the brush away from the blade.
Step 9 ‐ Remove the old blade. If necessary, clean the carbide inserts before installing a new saw
blade.
Step 10 ‐ Place the new blade around the idle wheel and the drive wheel.
Step 11 ‐ Insert the blade into the left and right tungsten carbide inserts. The back and the sides of
the blade need to be touching the inserts as well as the adjacent rollers.
Step 12 ‐ Place the blade to the drive wheel and press the back of the blade against the flange of the
drive wheel.
Step 13 ‐ Make sure the back of the blade is also pressed against the flange of the idle wheel.
Step 14 ‐ Turn the tension controller handle to [ ] position to obtain blade tension.
Step 15 ‐ Make sure the sides of the blade are in close contact with the carbide inserts and then
tighten the left and right carbide inserts by pressing the “carbide insert clamp” button
from the HMI touch screen.
Step 16 ‐ Gently close the idle and drive wheel covers.
Step 17 ‐ Press the saw blade start button to start the blade. Allow the blade to run for a few
rotations then press the saw bow up button to elevate the saw bow. Open the wheel
covers and make sure the blade has not fallen off the drive and idle wheels. If the blade
has shifted, follow the same procedure to reinstall the blade again.
Step 18 ‐ Adjust wire brush to a proper position. Refer to Adjusting Wire Brush in this section.