Vacuum unit for turbine control flap: Check
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The turbine control flap vacuum unit can be checked as follows:
- Pull off the vacuum hose from the vacuum unit.
- Connect the vacuum pump to the vacuum unit.
- Establish vacuum pressure at 500 mbar using the vacuum pump.
- If the vacuum unit does not hold the vacuum: Renew the vacuum unit.
- If the vacuum unit holds the vacuum: Continue with point 6.
- Pull the linkage in the direction of arrow. If the linkage can be pulled out in the direction of arrow without any resistance: Renew the vacuum unit.