Service Manual: SC750, SC800, SC 750 ST, SC800 ST
Form Number 56043150 Page 132
Transaxle Drive Motor Carbon Brushes
1. Remove transaxle.
2. Remove round black plasc brush cap.
3. Remove carbon brush and spring.
4. Install brush and spring. Install and ghten cap with a screwdriver.
5. Repeat steps for all 4 carbon brushes.