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9.7. Replacement of back brake shoes on drum brakes

PERFORMANCE ORDER
1. For check of brake shoes it is recommended to remove the brake drum. In this case it is possible to check a condition of the working brake cylinder also. Wear of overlays of brake shoes can be checked also without removal of the brake drum through viewing openings in a brake board after removal of a cap from an opening.
2. Using a small lamp and a mirror, through an opening in a brake board, check thickness of an overlay of a brake shoe. Even if the limit of wear was reached by only one brake shoe, surely replace all back brake shoes in a set.