1) Start the machine according to the instructions in paragraph 7.2 .
2) Keep the air delivery cocks fully closed.
3) Check that the pressure indicated on the gauge on the control panel corresponds to the value indicated in paragraph 2, if it does not, regulate according to the indications in paragraph 8.2 .
4) Using the refractive speedometer device, read the motor rpm which should correspond to that indicated in paragraph 2; variations of over 5% of the value are not permitted.
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