3-8-3-proverka-germetichnosti-bloka-cilindrov.html
3.8.3. Check of tightness of the block of cylinders
PERFORMANCE ORDER |
1. If there is a suspicion on hit of a cooling liquid in картер at the special stand check up tightness of the block of cylinders. For this purpose, having muffled apertures of a cooling shirt of the block of cylinders, force in it water of a room temperature under the pressure of 0,3 МПа (3 kgs/sm2). Within two minutes it should not be observed leaks of water from the block of cylinders. |
2. If oil hit in cooling liquid without full dismantling of the engine check up is observed, whether there are no cracks at the block of cylinders in zones of oil channels. For this purpose merge cooling liquid from cooling system, remove a head of cylinders, fill a shirt of cooling of the block of cylinders with water and submit compressed air to the vertical oil channel of the block of cylinders. In case of occurrence of vials of air in the water filling a shirt of cooling, replace the block of cylinders. |
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