VACUUM PUMP INSPECTION [MZR-CD 2.2]
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1. Remove the check valve.
2. Install the vacuum gauge as shown in the figure, then check the vacuum.
3. Warn up the engine.
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• If the pressure is less than the specification, inspect for the following.
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― Malfunction of the vacuum pump
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― Shortage of the lubrication oil pressure
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Vacuum pump vacuum specification (In 10 s) (MZR-CD 2.2)
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Engine speed 725 rpm: 66.6 kPa {500 mmHg, 19.7 inHg} or more
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Vacuum pump maximum vacuum (MZR-CD 2.2)
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Engine speed 725 rpm: 93.3 kPa {700 mmHg, 27.6 inHg} or more
4. Install in the reverse order of the removal.
