150 ASC110 / ASC130 / ASC150
3.6. Individual Operations of Maintenance
1
Every 250 Hours or Once in 3 MonthsEvery 250 Hours or Once in 3 Months
3.6.16. Checking the function of vacuum
switch of the air cleaner
• Set engine speed to increased speed of approx. 1500
rpm.
• Dismantle the engine suction cover.
• Shortly cover the inlet opening of the air cleaner on the
engine bonnet.
• After such covering the signal lamp (25) of the air
cleaner clogging must light up.
• If it does not light up, check the following:
vacuum switch (1)
bulb in the signal lamp (25), contacts, supply wire.
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