Note: Be careful to prevent dirt and debris fromentering the air duct leading to the carburetor.10. Install the air-cleaner elements and ensure thatthey are properly positioned (Figure 17).Important: Ensure that the open end ofthe air-cleaner elements are facing inwardtoward the machine, as the machine willnot run if the elements are not placed in theproper air orientation due to air restriction(Figure 17).g024809Figure 171. Open end of the paperelement2. Open end of the foamelement11. Secure the cover to the housing with the latch.Servicing the Engine OilOil Type: 4-cycle engine oil that meets or exceedsthe requirements for API service category SJ, SL,SM, or higher.Crankcase Capacity:• 0.28 L (9.47 fl oz) for models 68034 and 68035• 0.40 L (13.53 fl oz) for model 68036Viscosity: SAE 10W-30 is recommended for generaluse.Checking the Engine-Oil Level1. Shut off the engine and allow it to cool.2. Tilt the machine so that the engine is level.Important: Prop the machine in this positionto ensure that it does not fall over.3. Clean around the oil dipstick.4. Remove the dipstick and wipe the end clean.5. Slide the dipstick fully into the dipstick tubewithout threading it into the filler neck.6. Pull the dipstick out and look at the end.The oil should be level with the upper-limit mark(Figure 18).g019686Figure 181. Filler tube 4. Lower limit2. Dipstick 5. Oil-drain bolt3. Upper limitImportant: Running the engine with a lowoil level can cause engine damage. This typeof damage is not covered by warranty.7. If the oil level is low, slowly pour only enoughoil into the crankcase to raise the level to theupper limit.Important: Do not overfill the crankcasewith oil because the engine may be damaged.8. Install and secure the dipstick.Changing the Engine OilService Interval: After the first 25 hoursEvery 100 hoursYearly or before storageToro Premium Engine Oil is available from yourauthorized Toro distributor.1. Start the engine and let it run for 5 minutes; referto Starting the Engine (page 12).2. Shut off the engine; refer to Shutting Off theEngine (page 12).3. Tilt the machine so that the drain side is slightlylower than the opposite side to ensure that theoil drains completely.17