R 408.41950 Powder-actuated tool defects and misfires.

Rule 1950. In case of a misfire, the operator shall hold the powder-actuated tool in the operating position for not less than 30 seconds. The operator shall then try to operate the tool a second time.The operator shall wait another 30 seconds, holding the tool in the operating position, then the operator shall proceed to remove the explosive load in strict accordance with the manufacturer's instructions. Misfired cartridges should be placed carefully in a metal container filled with water and returned to the supervisor for disposal.