15.20. Removal of air from a wheel hydrodrive
To remove air from a wheel hydrodrive it is necessary at any dismantling of a highway, irrespective of those measures, which have been accepted to prevent air hit.
1. Check up liquid level, if necessary restore, having added to a label on щупе a tank. Warm up a hydrodrive liquid for what idling the engine rotate a wheel in both parties within 2 minutes
2. Lift car redock so that wheels only slightly concerned a floor.
3. Turn a wheel here and there against the stop not less than 10 times, thus do not suppose strong impact with terminators, hold a wheel in the end of each course.
4. Check up liquid level.
5. Start the engine, and, after some minutes of work idling, stop. Check up liquid level.
6. Start the engine for some seconds, stop and check up liquid level. Turn wheels in both parties against the stop not less than 10 times, again check up liquid level.
7. If after these procedures in a tank foam is observed, and pump work is accompanied by the raised noise air is not removed from a hydrodrive. In this case wait while foam will not disappear, check up level of a liquid and repeat procedure.
8. If after several cycles of prorolling air does not leave, in system there is a leak. Ask the assistant to turn a wheel against the stop some times and to maintain in completely turned out condition (no more than 15 сек). During turn of wheels examine hoses and tubes and check up leak presence. If the leak is absent, the hydraulic booster and the car is faulty it is necessary to check up in car-care centre.