Press the yellow button of the pneumatic nail puller, and the air will be discharged from the metal pipe next to the cylinder without stopping. You need to press the metal pipe head by hand before the

Press the yellow button of the pneumatic nail puller, and the air will be discharged from the metal pipe next to the cylinder without stopping. You need to press the metal pipe head by hand before the internal mechanism can be blocked again. This situation may be caused by the failure of the yellow button or related mechanism of the pneumatic nail puller. It is suggested to stop using pneumatic nail puller and send it to professional maintenance personnel for maintenance to ensure safe and normal use. If there are any abnormal problems during use, please stop using it immediately and repair or replace the equipment.