操作控制：中有三个操作控件金属枪: 1. The gas head valve controls the flow of gases and air both the gas head and the drive turbine. 2. The speed control rings adjust the rate of wire feed. 3. The wire valve thumb-slide (trigger) causes the drive rolls to grip or release the wire. In addition to the above control, the gun has a spring cap, which adjusts the bites of the drive rolls on the wire. Turning the caps clockwise increases the bite. Don’t adjust for more pressure than needed to assure a smooth, steady粉末喂食器。The wire grip adjustment cap is set at the factory and doesn’t require daily adjustment.
当一个调整是必要的,你会发现那t it’ll be easier to turn the cap if the wire grip handle is turned to the horizontal position. Each gun is given an operating test before leaving the factory and is ready to be hooked up when it is received. If several months have elapsed between the time the guns are received and are first put into service, it may be necessary to re-lubricate the valve before the unit will operate smoothly. If the gun has been out of use for some time it is recommended that you cycle speeds up and down a few times, when first starting up, by turning the speed control ring.