Checking of expansion tank closing cover
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20—430 Checking of expansion tank closing cover
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Expansion tank closing cover
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Pressure relief valve opens at
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new closing cover 1-Oio’]5 bar gage pressure
used closing cover 1.0—0.2 bar gage pressure
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Vacuum valve starts opening at 0.1 bar vacuum
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Special tools
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001 589 48 21 00
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Tester for cooling system
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Double connection for expansion tank closing cover for cooling system tester
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000 589 73 63 00
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Checking pressure relief valve
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11004-8666
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1 Attach double connection on tester for cooling system by means of holders.
2 Place expansion tank closing cover on double connection.
3 Check by pumping opening pressure.
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Checking vacuum valve
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The vacuum valve (arrow) should rest against rubber seal, valve should lift easily and snap back upon release.
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20.8-430/1 F 2
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