20-430 Testing cooling system cap
Operation no. of operation texts and work units or standard texts and flat rates |
P20-5379-57
Double union (2) 000 589 77 63 00 | fit onto tester (3) 124 589 24 21 00. |
Cooling system cap (1) | fit onto double union (2) 000 589 77 63 00. |
Pressure relief valve | test opening pressure. |
Vacuum valve (4) | test. Vacuum valve (4) must be resting against the rubber seal (arrow), must lift up easily and spring back when released. |
Cooling system cap test data
Cap code number | 100 140 | |
|
Pressure relief valve opens at bar |
new | +0,15 1,2 1,4 0,1 -0,1 |
used | + 1,0 - 0,1 1,4 - 0,1 | |
Vacuum valve opens at bar | 0,1 | |
Note
If any corrosion is present on the expansion reservoir cap, the cap should be replaced.
P20-0107-13
The cap is provided with a rubber seal (A) to prevent any air being drawn in (when vacuum exists in the cooling system).
Special tools
124 589 24 21 00
000 589 77 63 00