Risk Of Explosion When Using A Forming Gas With Incorrect Mixing Ratio. Risk Of Suffocation Due To Inhalation Of Forming Gas. Risk Of Injury Due To Bursting Of High-Pressure Hoses - AS83.00-Z-0001-02A

Model all (4xWD, CAR, Light transporter, smart) 

Wear safety glasses and protective gloves. No smoking or open flames. Work in well-ventilated rooms only.

General information 

Forming gas is used when searching for leaks on vehicle A/C systems. Observe correct mixing ratio of 95 % nitrogen and 5 % hydrogen.

Concentration levels with more than 5 % hydrogen are explosive and may not be used for leak tests.

Risk of explosion 

Forming gas with a hydrogen content of more than 5 % is extremely combustible and in combination with air it can form an explosive mixture.

Risk of injury 

There is a risk of injury when working on pressurized parts.

Risk of suffocation 

A high concentration level of forming gas can cause suffocation.

Safety precautions and rules of conduct 

• Ensure sufficient ventilation.
• Never directly inhale forming gas.
• Perform visual inspection of valves and lines prior to usage.
• Wear safety glasses and protective gloves when working with forming gas.
• Open valves slowly to avoid pressure surges. The reservoir pressure of the forming gas is 200 bar.
• Make sure that the valve on the gas cylinder is closed after each use of the leak tester.
• The gas shutoff valve must always be closed during internal transport of gas cylinders.
• Always transport gas cylinder in designated cylinder trolley in upright position and with valve protection cap fitted.
• The pressure reducing valve must always be freely accessible during operation. It may not be used as a tray for hoses or any other tools.
• Never repair valves or safety pressure relief devices on the leak tester or tank yourself.

First-aid measures 

Inhalation: After inhaling a high concentration level of forming gas, the affected person should be taken out of enclosed premises straight away, and kept calm and warm.

If unconscious: Position and transport in recovery position. Consult a physician.

If breathing is arrested: Perform artificial respiration.