Testing radiator or expansion tank closing cap

20—430 Testing radiator or expansion tank closing cap

Pressure relief valve opens at

new cap

1.0 ^.q’]^ ^bar 9^au9^e pressure

used cap

1.0—0.2 bar gauge pressure

Vacuum valve opens starting at 0.1 bar vacuum

Tester for cooling system and radiator cap

001 589 48 21 00

Double connection for radiator cap in combination with cooling system tester

000 589 73 63 00

1    Attach double connection to leak tester by means of holding clips.

2   Place radiator cap on double connection.

3   Check opening pressure by pumping.

Checking vacuum valve

Vacuum valve (arrow) should rest against rubber seal, should lift off easily and snap back following release.

20.2-430/1 F3