January
January
2008
2008
Rev. MC5 / 1
Rev. MC5 / 1
Ed. A / 08
Ed. A / 08
43
43
Regulators repair and maintenance
Regulators repair and maintenance
MC5 1
MC5 1
st
st
stage
stage
setting
setting
• Check the pressure shown by the gauge. MC5 1st stage is correctly set when
the intermediate pressure is 10 bar. Should it be different, close the air tap
and discharge the regulator. Insert a 0,24 in. Allen wrench in the setting
screw and screw clockwise (+)in order to increase the 1st stage intermediate
pressure. When screwing anticlockwise (-), the pressure will decrease.
• Note: always remember to discharge the regulator before setting the
intermediate pressure, in order to prevent the pressure gauge from showing
any incorrect data.
• Check the intermediate pressure is quickly reached and remains so, without
increasing, after pressing the 2
nd
stage discharge button several times.
• After setting the regulator, the 1st stage pressure decrease, by pressing the
2
nd
stage discharge button, must be less than 1 bar.
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