Troy-Bilt TB575 Operation Manual - Page 10

MAINTENANCE AND REPAIR INSTRUCTIONS CHANGING THE OIL For a new engine, change the oil after the first 10 hours of operation. Change the oil while the engine is still warm. The oil will flow freely and carry away more impurities. 1. Unplug spark plug boot to prevent accidental starting. WARNING: Wear gloves to prevent injury when handling unit. Air Filter Cover Air Filter 2. Remove the oil fill plug. 3. Pour the oil out of the oil fill hole and into a container by tipping the unit to a vertical position (Fig. 29). Allow ample time for complete drainage. 4. Wipe up any oil residue on the unit and clean up any oil that may have spilled. Dispose of the oil according to Federal, State and local regulations. 5. Refill the crankcase with 3.04 fluid ounce (90 ml) of SAE 30 SF, SG, SH oil. Fig. 29 NOTE: Use the bottle and spout saved from initial use to measure the correct amount of oil. The top of the label on the bottle measures approximately 3.04 ounces (90 ml) (Fig. 30). Check the level, See Checking the Oil Level. If the level is low, add a small amount of oil and recheck. Do not overfill (Fig. 30). Tab Fig. 31 2. Remove the air filter (Fig. 31). 3. Wash the filter in detergent and water (Fig. 32). Rinse the filter thoroughly and allow it to dry. 4. Apply enough clean SAE 30 motor oil to lightly coat the filter (Fig. 33). 5. Squeeze the filter to spread and remove excess oil (Fig. 34). 6. Replace the filter (Fig. 31). NOTE: If the unit is operated without the air filter, you will VOID the warranty. Fig. 32 Fill Level Fig. 33 Fig. 34 Fig. 30 6. Replace the oil fill plug. 7. Reconnect the spark plug boot. AIR FILTER MAINTENANCE WARNING: To avoid serious personal injury, always turn the unit off and allow it to cool before you clean or service it. Cleaning the Air Filter Clean and re-oil the air filter every 10 hours of operation. It is an important item to maintain. Failure to maintain your air filter properly can result in poor performance or can cause permanent damage to your engine. 1. Open the air filter cover. Push the tab on the under side of the cover inward. Then pull the air filter cover out and up. (Fig. 31). 7. Reinstall the air filter cover. Position the slots on the top of the air filter cover onto the tabs at the top of the back plate (Fig. 35). 8. Swing the cover down until the tab on the air filter backplate snaps into place in the slot on the air filter cover (Fig. 36). Back Plate Tabs Air Filter Locking Tab Fig. 35 10