Continuously monitor the carbon potential readings until they stabilize within ±0.05%C of the target value and maintain this for at least 30 minutes before beginning the feeding and production process.
**(3) Hardening System Operation**
1. Start the circulating oil pump for the quenching tank to ensure the oil flows adequately and circulates within the tank and external cooler.
2. Start the quenching tank lift table and the furnace end conveyor belt motor.
Daily Motto: Action speaks louder than words.
