Decal says: 1. WHEN OPERATING ON DISTILLATE OR KEROSENE, DRAIN OIL TO LEVEL OF LOWER DRAIN COCK AFTER EVERY 10 HOURS OF RUNNING 2. WHEN OPERATING ON GASOLINE DRAIN OIL LEVEL OF LOWER DRAIN COCK AFTER EVERY 30 HOURS OF RUNNING. 3. REFILL TO LEVEL OF TOP TEST COCK. 4. DRAIN CRANKCASE COMPLETELY EVERY 60 HOURS OF RUNNING AND REFILL TO LEVEL OF TOP TEST COCK. 5. OIL VALVE LEVELS DAILY.
