Pressure-testing cylinder head
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01 -420 Pressure-testing cylinder head
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Dat:
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Test pressure with air under water in bar gauge pressure (atii)
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Special tools
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Pressure plate
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617 589 01 25 00
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Suspension device
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115 589 34 63 00
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Conventional tool
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Electrically heated water basin
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e.g. made by Otto Diirr, D-7123 Sachsenheim-Ochsenbach
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Pressure test
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If cylinder seems to have cracks (coolant loss), a pressure test is required.
1 Screw pressure plate on clean cylinder head.
2 Close bores and connections.
3 Connect compressed air hose (1) and set compressed air to 2 bar gauge pressure.
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R01/7504
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01.8-420/1 F2
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4 Attach cylinder head to suspension device and lower into water heated to 80 °C.
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5 If air bubbles are rising, find leaks.
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01.8–420/2 F 2
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