A: Check the nozzle. The manual explicitly says: "Do not use nozzles longer than 75mm from the tip. Extended nozzles cause heat to reflect back into the barrel."
A: No. The manual warns that the internal heating element and fan motor are voltage-specific. Using a 230V model on 120V will not heat. Using 120V on 230V will instantly burn out the motor. Use a step-up/down transformer. bosch kl 1206 user manual
If you have recently acquired a vintage Bosch KL 1206 hot air gun (often referred to as a heat gun or industrial dryer), you own a piece of German engineering history. Known for its robust build, ergonomic design, and reliable performance, the Bosch KL 1206 was a staple in workshops, laboratories, and construction sites for decades. A: Check the nozzle