4.1.6. Check of the cooling system under pressure
Tightness of system and operation of the safety valve in a cover of a radiator can be checked by means of
the pump 4800-1.
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PERFORMANCE ORDER
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| 1. Warm up the engine so that the index showed the normal working temperature of cooling liquid. |
ATTENTION
At the hot engine before opening of a broad tank put on it a thick rag to exclude emission of hot liquid and vapors that can lead to a burn. The cover can be opened only at a temperature of liquid below +90 °C.
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2. Install on a branch pipe on a broad tank the device for check of pressure, for example, of HAZET 4800-1 with an adapter 4800–5. |
| 3. Create the manual pump of the device excessive pressure about 1.0 bars and support him. If pressure falls, check visually system for tightness and eliminate leaks. |
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4. For check of the safety valve install on a cover of a broad tank the HAZET 4800-1 device with an adapter 4800–5. Create the manual pump excessive pressure. With a pressure of 1.4 - 1.6 bars the safety valve has to work. |
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