Co Check - PIAGGIO Liberty 125 Workshop Manual

Maintenance

CO check

- Remove the exhaust gases outlet cap on the ex-
haust pipe
- Using the supplied washer, install the exhaust
gases collection kit fitting onto the pipe, as shown
in the figure.
- Correctly orientate the components as shown in
the picture
- Shut the gas outlet on the tool
- Start the engine and let it warm up
- Shut the engine down
- Disconnect the SAS check valve vacuum hose
shown in the figure.
- Seal the connection using a conical a cap.
- Connect the Mitivac vacuum pump to the SAS
control valve.
- Start the vacuum pump up to a pressure of -0.6
÷ -0.8 bar so to close the valve and cut off the SAS
system.
- Remove the exhaust gas collection kit cap and
connect the analyzer adequately pre-heated.
- Check the analyser output and the engine rpm.
- Adjust the CO concentration.
N.B.
MAIN - 32
Liberty 125 - 200 4tempi