Briggs & Stratton 1696509 Manuel De L'opérateur page 16

Maintenance
Auger and Scraper Bar Maintenance
Before each use, check wear limit on rubber auger and gap
between scraper bar support and ground (A, Figure 10).
• If wear limit on the rubber auger is reached, the two
rubber flights need replacing. See authorized dealer.
• If scraper bar support makes contact with the ground,
the scraper bar needs replacing. See authorized dealer.
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Figure 10