20 - 4391 Testing radiator cap
Opening pressures
Code number Pressure relief valve Vacuum valve
100 or 1.0 0.9 to 1.15 bar gauge pressure 0.07 bar vacuum
The code number is stamped on the radiator cap.
Special tools
Testing pressure relief valve
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Note
Replace cap if there are signs of corrosion on cap.
1 Fit radiator cap onto the double threaded connector.
2 Insert tester into the double threaded connector and press down both levers.
001 589 83 21 00
000 589 75 63 00
3 Connect compressed air hose with tyre inflation connection to tester.
4 Build up test pressure to the indicated level. The pressure relief valve is in order if the opening pressure agrees with the figures in the table.
001 589 83 21 00
000 589 75 63 00
5 Remove tester and radiator cap from double threaded connector.
Testing vacuum valve
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The vacuum valve (arrow) must be touching the rubber seal, must be easily lifted and must spring back when released.
Referenced documents
- ra0013d000200x 0002 - General, Installation survey Engine 364 LA (Euro2) Engine Model 354
- ra2013d000400x 0004 - General, Special tools Engine 364 LA (Euro2) Model 354
- ra2013d000500x 0005 - General, Technical data Engine 364 LA (Euro2) Model 354