2.3.6. Removal and installation of the valve in a throttle branch pipe (if is available)
Merge liquid from system having weakened a drain stopper of a radiator.
Take out the valve.
Installation is made as it should be, the return to removal, except for the following.
|Fig. 2.189. Connection of the valve to the bringing hoses of a throttle branch pipe: 3 – to a throttle branch pipe; 4 – to a head of the block of cylinders
Connect the valve 1 to the bringing hoses of a throttle branch pipe the 2nd yellow party has to be turned to a head of the block of cylinders.
Fill the cooling system.
Be convinced of lack of leak of cooling liquid from connections of the cooling system.
Valve check in a throttle branch pipe (if is available)
Check operation of the valve as follows.
|Fig. 2.190. Connection of the valve to an exit of the vacuum pump
Connect the valve 1 to an exit of the vacuum pump (A), as shown in the figure 2.190
, and be convinced that air goes out of the valve 1.
Ship the valve 1 in heated water (temperature more than 90 °C for 5 min., then be convinced that air does not go out of the valve 1. If the result of check differs from described, replace the valve.
|Fig. 2.191. Immersion of the valve 1 in heated water