. MAINTENANCE SERVICE PROCEDURE MAINTENANCE SERVICE PROCEDURE 4 - 55 11. Refil l the s pecified quantity of oil t hrough oil filler (F). 12. After filling with oi l, check th at the oil is a t the specified level. For d etails , see " CHECK T RANSMISSIO LEVEL, ADD OIL ( PAG E 4-24)" 13. Check tha t there case or oil CLEAN TRANSMISSION CASE BREATHER 1. Loosen bo lt (1) an d remove cover (2). 2. Remove a ll dirt and mud from around breather, remove br eather ( 3), soak it in flushing flu id, and wash i After removing th e breather , take steps to prevent dirt o r dust from enter ing the