Cosen C-320NC, Instruction Manual

Page: 98 / 166

9-2
PRECAUTIONS
When an abnormality occurs in the machine during operation, you can do it yourself safely. If you
have to stop machine motion immediately for parts exchanging, you should do so according to the
following procedures:

Press HYDRAULIC MOTOR OFF button or EMERGENCY STOP button.

Open the electrical enclosure door.

Turn off breaker.
BEFORE ANY ADJUSTMENT OR MAINTENANCE OF THE MACHINE, PLEASE MAKE SURE TO
TURN OFF THE MACHINE AND DISCONNECT THE POWER SUPPLY.
GENERAL TROUBLES AND SOLUTIONS
DISCONNECT POWER CORD TO MOTOR BEFORE ATTEMPTING ANY REPAIR OR INSPECTION.
TROUBLE PROBABLE CAUSE SUGGESTED REMEDY
Motor stalls
Excessive belt tension Adjust belt tension so that belt does not slip on drive
pulley while cutting ( 1/2“ Min. deflection o f belt under
moderate pressure.)
Excessive head
pressure Reduce head pressure. Refer to Operating Instructions
“Adjusting Feed”.
Excessive blade speed Refer to Operating Instructions “Speed Selection”.
Improper blade
selection Refer to Operating Instructions “Blade Selection”.
Cannot make
square cut
Dull blade Replace blade.
Guide rollers not
adjusted properly Refer to Adjustments.
Rear vise jaw not
adjusted properly Set fixed vise jaw 90

to blade.
Excessive head
pressure Reduce head pressure. Refer to operating instructions
“Adjusting Feed.”
Increased cutting
time
Dull blade Replace blade
Insufficient head
pressure Increase head pressure. Refer to Operating Instructions
“Adjusting Feed.”
Reduce blade speed Refer to Operating Instructions “Speed Selection.”
Will not cut
Motor running in wrong
direction Reverse rotation of motor. (Motor rotation C.C.W.
pulley end.)
Blade teeth pointing in
wrong direction Remove blade, turn blade inside out.
Re-install blade. (Teeth must point in direction of
travel. )
Hardened material Use special alloy blades. (Consult your
industrial distributor for recommendation on type of
blade required.)
Page 98 Instruction Manual for C-320NC (B090) 08/11/2018