What are the potential safety hazards and precautions to be kept in mind when straightening on the metal aluminum bar extruder?

Operating procedures of leveler. Before the leveler shifts, check whether the mechanical fasteners, hydraulic transmission system, operating handles and buttons are normal. Start the hydraulic pump and motor normally. According to the length of the profile, properly adjust the distance of the rear chuck, fix the rear chuck, test run with no load, open and close the operating claw, stretch and return to the trolley several times to check whether it is normal, then straighten when the profile temperature is lower than 50℃, loosen the clamping of the feeding operating claw, the trolley returns to the limit position, and the clamped chuck is in the straightening state at the same time.

Precautions for host operator: A qualified host operator must have tacit cooperation with the monitor, be able to communicate with the monitor, be clear about the monitor's production plan, and be able to direct production without causing shutdown when the monitor is not on site.