Checking the pressure relief valve in the locking cap |
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| Fit tester -SAT 1274- with adaptor -V.A.G 1274/9- in locking cap. |
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| With the tester hand pump, a pressure of 1.5 bar should be created. |
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| Operate hand pump. The pressure relief valve should open at 1.4...1.6 bar |
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