12.7. A coupling hydrodrive - removal
1. System prorolling is required every time after carrying out of dismantling and assemblage of a hydrodrive of coupling.
2. Запол-fwre a tank a fresh brake liquid (use of the fulfilled liquid is forbidden).
3. First of all it is necessary to remove air from демпферного the cylinder.
4. Dress on the union of the cylinder a hose and release in the capacity filled with a brake liquid on 3-5 see
5. Turn away the prorolling union on 1/2 turns and ask the assistant to press a coupling pedal to the full. Tighten the union, ask the assistant to release a pedal slowly. Repeat procedure until then while the hose will not cease to leave air vials.
7.8 Check of deformation of petals of diafragmen th spring
6. After two, three times of pressing a pedal check up liquid level. Constantly watch level, the tank should be completely filled by a liquid.
7. At the pressed pedal tighten the union (do not tighten too strongly), remove a hose, restore liquid level in a tank. Execute the same operations for the main cylinder of coupling.