... -15m/min Name: Banner Jointer, PVC Jointer, Auto Jointer, Auto Hot-air Jointer, Banner Welding Machine, PVC Welding Machine, Hot-Air Welding Machine Technical Specification:ModelBT ... the machine, turn the handle to the left, till the hot-air spout is staight line with the wheel. Then turn the ... the speed value, turn the handle the right till the hot-air spout leave the ground. Then it stops. 3. Adjust ...