| 1. Remove a weight wire from the accumulator. |
| 2. On early models remove the air filter. On later models disconnect the air duct from the air filter, then disconnect a vacuum pipe and a hose of ventilation of a case from an air chamber. Unscrew three screws and remove an air chamber together with an air duct. |
| 3. Clear the external surface of the economizer. |
| 4. Unscrew two screws and uncover the economizer, a spring and a diaphragm. |