Tightness check, replacement of hoses of system of cooling

Tightness check

Radiator cover

Check of serviceability of functioning of the vacuum valve

PERFORMANCE ORDER

The vacuum valve built in a cover opens at formation in a working path of system of cooling of depression. Having delayed downwards, open the vacuum valve of a cover of a radiator, - at отпускании the valve should be closed completely. Make sure of absence of mechanical damages of working surfaces and a sealing element of the valve. In case of need replace a cover.

Check of serviceability of functioning of the pressure head valve

PERFORMANCE ORDER

The pressure head valve at excess by pressure in system of some preset value provides a conclusion of surplus of a liquid from a radiator in a broad tank. Remove from space between the valve and its saddle traces of a scum and small dust. Connect to a cover a special tester and start to pump up gradually pressure the handle of the last, - pressure should be stabilised at level 0.75 1.05 кГс/см2. Stop inflating, - pressure should be kept at the reached level within not less than 10 seconds. In case of need replace a cover.

All path of system of cooling

PERFORMANCE ORDER

Establish a cover on a radiator. By means of the hose equipped with a transitive nozzle connect to a cover a special tester (see сопр. An illustration) also create in system pressure 1.05 кГс/см2 (103 кПа). If pressure is not kept, attentively examine all шланговые connections охладительного a path on presence of signs of development of leaks. Make necessary corrections. Alternatively the tester can be connected directly to a radiator mouth which it is preliminary necessary to uncover.

Replacement of hoses

Sections Check of functioning of system of cooling and frost resistance of a cooling liquid, replacement of a liquid and Check of a condition and replacement of hoses of an impellent compartment, localisation of leaks in the Head Current leaving and service see also.

PERFORMANCE ORDER

The conditions of components of system of cooling revealed in the course of check (Current leaving and service see the Head) the damaged hoses are subject to replacement without fail. Merge a liquid from cooling system (Current leaving and service see the Head). Ослабьте also take aside fixing collars. Accurately remove a hose from reception branch pipes. If the hose does not give in to removal, try повращать it, trying not to damage a branch pipe which breakage is fraught with considerable expenses, - remember that branch pipes of a radiator are among enough fragile components! In case of need the hose can be cut, - cost of a new hose is non-comparable to expenses for acquisition of a replaceable radiator. Before to cut a hose, prepare a replaceable element approaching on a standard size. At installation of a new hose at first put on it collars and only after that насаживайте on reception branch pipes. For simplification of installation of rigid hoses moisten internal surfaces of their ends with soap water or heat up in hot water, - in order to avoid stratifications do not lower a hose in boiling water. It will be reasonable to replace collars of coupling type screw/worm. After landing of a hose to branch pipes check up correctness of its lining in an impellent compartment. Shift collars on the hose ends, having got them for развальцовку branch pipes, then tighten. Fill cooling system (Current leaving and service see the Head). Start the engine and make sure of absence of signs of development of leaks of a cooling liquid in places of landing of a replaceable hose.