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Adjusting the scraper:
1. Remove rotor from housing.
2. Remove the 4 x thumb screws and scraper door (1) from the housing
3. Remove the 3 x bolts (2) and flip the plate (3) 180° to expose more or less of the rubber (4).
4. Install the scraper door into the meter housing.
5. Adjust the rubber so it extends 1mm into the rotor cavity.
6. Remove the scraper door and tighten the bolts to 2-3Nm
7. Verify the rubber is even across the width.
8. Replace scraper door and insert rotor.
1. Scraper Door
2. Bolts
3. Plate
4. Rubber scraper