It is necessary to look at the joints before the application of the air duct type long tube mask, and it should not be loose. Prevents air leaks and impairs the health of the user.
Put the hose of the proper length piercing the end of the mask into the buckle on the safety belt, tighten the belt, and fix the long tube on the belt to prevent the mask from being worn when dragging. Check the air tightness of the whole machine; close the joint that is pierced into the blower by hand to inhale, and feel the suffocating gas to clarify the airtightness of the mask. Then puncture the blower hose socket, open the blower together, and put fresh air into the mask for the user to breathe.
The blower should be grounded firmly before use.
After each application, the mask, snorkel and its accessories should be cleaned and the long tube should be placed in the storage box. The storage environment is boring, ventilated and protected from heat.
Mask lenses do not touch with organic solvents to prevent damage. Others should try to prevent bumps and friction and prevent scratching the lens.
Men should shave the beard before wearing the mask to prevent the beard from affecting the wearing of the mask.
The long tube mask should be kept by a special person and viewed regularly. If problems are found, they should be repaired in time and replaced with damaged parts if necessary.
When the following situations are present, the work shall be suspended and evacuated from the scene;
When breathing is difficult;
Because of harmful gases, when you are in trouble;
When smelling harmful gases;
Because of harmful gases, eyes, nose, mouth and other parts are stimulated;
When an abnormal situation of the air flow is interrupted or the air supply is stopped;
Suspension of operation due to power outages, problems, etc.
Applicable to a variety of dusty workplaces, suitable for all kinds of particulate matter (dust, fog, smoke, etc.) and does not exceed the smell of odor. Not suitable for anoxic working environment (the oxygen environment with oxygen content below 18% is anoxic environment), not suitable for IDLH concentration (immediately threatening life and health concentration), not suitable for workplaces that may cause blasting.