Coolant Pressure Cap - KIRLOSKAR DV Series O & M Manual

4.10.1 Coolant pressure cap

Check the pressure valve opening pressure using a
Radiator Cap
expansion tank cap tester. Replace the filler cap assembly
if the measured valve does not reach the specified limit,
(pressure valve opening pressure : 0.9 kg/cm )
2
Radiator
Note : Because it is dangerous to open the pressure cap
quickly when coolant is hot, after lowering the inside
pressure of the tank by slow-opening at first open it fully.
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