Simplicity 1691723 5212.5H Parts Manual
![Simplicity 1691723 5212.5H Tractor manual cover](/images/vyfHSiXpnPgbdsnrLwDfFFGt/thumbs/thumb175x175.webp)
To change the oil, first warm up the engine, then turn it off. Locate the drain plug underneath the engine, place a pan underneath it, and remove the plug to drain the oil. Replace the plug, remove the oil filter, and install a new one. Fill the engine with new oil through the oil fill cap.
For optimal performance, use SAE 30 oil for temperatures above 32°F (0°C) and SAE 5W-30 for colder temperatures. Always check the owner's manual for specific recommendations.
If the tractor won't start, check the battery connections and ensure they are clean and tight. Verify that the fuel tank is not empty and that the fuel valve is open. Inspect the spark plug for wear and replace if necessary. Also, ensure the PTO is disengaged.
The recommended tire pressure for the front tires is 14 PSI and for the rear tires is 10 PSI. Always refer to the tire sidewall or the owner's manual for the most accurate information.
To replace the mower deck belt, lower the mower deck, remove the belt covers, and release the tension on the belt by adjusting the idler pulley. Remove the old belt and install the new one, following the same path. Reapply tension and replace the covers.
If the tractor is overheating, check for debris blocking the air intake screen. Ensure the cooling fins are clean and unobstructed. Verify the oil level is correct and that the radiator is free of debris and filled to the proper level.
Blades should be sharpened every 25 hours of use or at least once per mowing season. Dull blades tear grass rather than cut it, which can lead to lawn damage.
To adjust the cutting height, locate the height adjustment lever on the tractor. Move the lever to the desired height position, ensuring both sides of the deck are level for an even cut.
Excessive vibration can be caused by unbalanced blades, loose attachments, or debris caught in the mower deck. Check and balance the blades, tighten all attachments, and clear any obstructions from the deck.
To winterize, clean the tractor thoroughly, change the oil, and run the engine with a fuel stabilizer. Remove the battery and store it in a cool, dry place. Inflate the tires to the recommended pressure and cover the tractor to protect it from moisture.