Maintenance Instructions34MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL MBService Item Daily25Hours50Hours100Hours YearlyRef.PageCheck Engine Crankcase Oil Level x 36Check/Clean Engine Air Cooling System* x 41Clean Grass Buildup Under Deck x 42Service Mower Blades x 44Check Security of Air Cleaner System x 43Lubricate Grease Fittings and Oil Points* x 37Check Transaxle Fluid x 40Check Tire Pressure x 44Check Drive Belts (Engine, PTO, Ground Drive) x 45Check PTO and Deck Gearbox Oil Seals x 45Inspect Air Filter Paper Element* x 41Clean and Re-Oil Air Filter Foam Element x 41Change Engine Crankcase Oil** x 36Change Engine Oil Filter x 36Check Security of Drive TireMounting Nuts (75-85 ft-lbs.) x 22Clean Transaxle Cooling Fins x 43Replace Fuel Filter x 49∗ More often in extremely dusty or dirty conditions(see notes about air cleaner element underIMPORTANT TIPS FOR CARE OFBRIGGS & STRATTON ENGINE)∗∗ Change engine oil and filter after first 8 hoursof operation of a new engine (break-in period)CAUTIONWhen performing maintenance with themower body raised, a safety prop shouldbe installed from back of body to chassisframe (fail-safe protection in case of fail-ure of body lift support).CAUTIONMaintenance procedures requiring special training ortools should be performed by a trained technician.