6.4. Check of tightness of a control system

In the absence of oil in a broad tank it is necessary to check tightness of system carefully.

1. To start the engine and to leave to work at single turns.
2. To turn a wheel to the right and to the left against the stop and to hold for a short time. At the same time in pipelines the largest pressure is formed.
3. In this position external survey to make tightness check:
  – piston valve;
  – consolidations of a gear lath (to weaken for this purpose a hose clip corrugations, having shifted a corrugation aside);
  – bladed pump;
  – connections of pipelines.