23.19.4. Control unit
Prevention
At installation of the control unit it is necessary to use a new nut, the fixing connecting thirst for the control unit lever.
Removal
Arrangement on the control unit of the union of pumping (1), the lever of connecting draft (2) and connections of pipelines (3)
| PERFORMANCE ORDER |
| 1. Take off pressure in hydraulic system. |
| 2. Clear area about the place of connection of tubes to the control unit. Mark tubes in order that not to mix them at installation (see the drawing). |
| 3. Unscrew connecting nuts and remove hydraulic tubes from the control unit. Close opening traffic jams in the control unit and the ends of tubes. |
| 4. Unscrew a nut and remove connecting draft from the control unit lever. |
| 5. Unscrew fastening bolts, remove the control unit and take it from under the car. |
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Installation
| PERFORMANCE ORDER |
| 1. Install the control unit into place and fix by bolts, having tightened them the required moment. |
| 2. Connect tubes to the control unit and fix them by connecting nuts, having tightened them the required moment. |
| 3. Raise liquid level in the accumulator of pressure of a control system of the self-leveled back suspension bracket to the maximum mark. |
| 4. Unscrew a nut, the fixing connecting thirst for the control unit lever. Remove draft from the lever and move the lever up to an emphasis. |
| 5. Start the engine, then increase engine turns to 2 000 – 3 000 rpm and let's it work on these turns during 30 sec., then switch off the engine. |
| 6. Connect connecting draft to the control unit lever, having established it in an external opening of the lever, then screw a new nut of fastening and tighten it the required moment. |
| 7. Check liquid level in the accumulator of pressure of system of the self-leveled back suspension bracket. |
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