Troy-Bilt TB4BP Operation Manual - Page 11
Maintenance And Repair Instructions - lowes
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MAINTENANCE AND REPAIR INSTRUCTIONS WARNING: To prevent serious injury, never perform maintenance or repairs with unit running. Always service and repair a cool unit. Disconnect the spark plug wire to ensure that the unit cannot start. See Replacing the Spark Plug. MAINTENANCE SCHEDULE Perform these required maintenance procedures at the frequency stated in the table. These procedures should also be a part of any seasonal tune-up. NOTE: Some maintenance procedures may require special tools or skills. If you are unsure about these procedures take your unit to a Troy-Bilt or other qualified service dealer. NOTE: Maintenance, replacement, or repair of the emission control devices and system may be performed by a TroyBilt or other qualified service dealer. In order to assure peak performance of your engine, inspection of the engine exhaust port may be necessary after 50 hours of operation. If you notice lost RPM, poor performance or general lack of acceleration, this service may be required. If you feel your engine is in need of this inspection, refer service to a Troy-Bilt or other qualified service dealer for repair. DO NOT attempt to perform this process yourself as engine damage may result from contaminants involved in the cleaning process for the port. FREQUENCY Before using Every 25 hrs Every 50 hrs MAINTENANCE REQUIRED Fill fuel tank with fresh fuel Check oil while the engine is cold Change oil Clean and re-oil air filter Check rocker arm clearance and adjust Check spark plug condition and gap Clean spark arrestor SEE p 8 p 8 p 11 p 11 p 12 p 13 p 13 CHANGING THE OIL Change the oil every 25 hours of operation. Change the oil while the engine is still warm. The oil will flow freely and carry away more impurities. WARNING: Wear gloves to prevent injury when handling unit. 30° Fill Level Fig. 22 AIR FILTER MAINTENANCE Cleaning the Air Filter Clean and re-oil the air filter every 25 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 locking tab on the under side of the cover inward. Then pull the air filter cover out and up. (Fig. 23). Air Filter Cover Locking Tab Fig. 23 2. Remove the air filter (Fig. 24). Air Filter Tabs 1. Remove the oil fill plug. 2. Pour the oil out of the oil fill hole and into a container by tipping the unit to the side (Fig. 21). Allow ample time for complete drainage. 3. 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. 4. Tilt the unit backwards 30° (Fig. 22). 5. Refill the crankcase with 3.04 fluid ounce (90 ml) of SAE 30 SF, SG, SH oil. Fig. 21 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. 22). 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. 22). 6. Replace the oil fill plug. WARNING: To avoid serious personal injury, always turn the unit off and allow it to cool before you clean or service it. Back Plate Fig. 24 3. Wash the filter in detergent and water (Fig. 25). Rinse the filter thoroughly and allow it to dry. 4. Apply enough clean SAE 30 motor oil to lightly coat the filter (Fig. 26). 5. Squeeze the filter to spread and remove excess oil (Fig. 27). 6. Replace the filter (Fig. 24). NOTE: If the unit is operated without the air filter, you will VOID the warranty. Locking Tab Fig. 25 11