What happens to the steel cutting machine without a knife? How to solve it?

Rebar cutting machine can be used for the following reasons:
★The clutch spring is damaged and the spring should be replaced or connected.
★The top wire on the pedal shaft is loose, and the top wire should be tightened.
★The motor is reversed and the motor direction should be adjusted.
★ When the connecting rod is broken, the connecting rod should be replaced.
★ When the connecting rod bolt is broken, the connecting rod bolt should be replaced.
★The movable tool holder is broken and the movable tool holder should be replaced.
★ Gears are broken and broken, and damaged gears should be replaced.
★The shaft is broken and the broken shaft should be replaced.
★The claws, the bayonet are damaged or the movement is not flexible. The claw pin should be replaced or repaired.