Simplicity 1693633 Legacy Parts Manual
![Simplicity 1693633 Legacy Tractor manual cover](/images/FyxlQToZPszlGESyGzvogrUK/thumbs/thumb175x175.webp)
To change the oil, first ensure the engine is off and cool. Place an oil pan under the engine, remove the oil drain plug and let the old oil drain. Replace the drain plug, remove the oil filter, and install a new one. Finally, refill the engine with the recommended type and amount of oil.
Use unleaded gasoline with a minimum octane rating of 87. Do not use ethanol blends higher than E10, as they may cause damage to the engine.
Check the battery connections and charge if necessary. Ensure there is fresh fuel in the tank and the fuel shut-off valve is open. Check the spark plug for wear or damage and replace if needed.
Perform regular maintenance every 50 hours of operation or annually. This includes changing the oil, checking the air filter, inspecting belts and blades, and lubricating moving parts.
To adjust the cutting height, locate the deck lift lever on the tractor. Move the lever to the desired position that corresponds to the cutting height you prefer.
Check the PTO (Power Take-Off) switch to ensure it is engaged. Inspect the belt for wear or damage and replace it if necessary. Ensure that the deck is properly attached and the blades are not obstructed.
Consider using tire chains for better traction. Ensure the tires are properly inflated, and add weight to the rear of the tractor if necessary.
Inspect the radiator and cooling fins for debris and clean them if needed. Check the coolant level and top it off if low. Ensure the engine has proper ventilation and that the air filter is clean.
To replace the drive belt, first remove the mower deck. Loosen the belt tensioner to release the old belt. Install the new belt according to the diagram in the user manual, ensuring it is routed correctly around all pulleys. Tighten the tensioner and reattach the mower deck.
Check the steering linkage for wear or damage and tighten any loose connections. Inspect the front wheels for proper alignment and adjust if necessary. Lubricate the steering components to ensure smooth operation.