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WP33L_BA_K1_12_en_08.fm
8.17 Checking the safety valves
1. Turn on the system and start up the compressor unit until it
has reached final pressure.
2. Turn the lifting device on the safety valve to the left until the
safety valve blows.
3. After the valve actuates, turn the lifting device back to the
right as far as possible. The valve must closely tightly after
doing this.
Danger!
There is risk of injury from escaping air.
Therefore keep your head away from the safety valve.
Note!
The testing operation must take place quickly and must not be
repeated.
Lifting device
Safety valve
Note!
The pressure setting must only be changed at the manufacturer
factory. Each time the pressure setting is changed, the safety
valve is lock sealed again and, if necessary, the punched
pressure value corrected.
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