These are valves located at the rear of your mower that disengages the hydros so you can manually push the mower. Gravely mower is shaking or vibrating. Servicing your Gravely zero turn. You can find economy models designed to mow 1/3-acre lots and larger machines that can handle greater lot sizes; what you need depends on the size of your yard and how much money you want to spend on the mower. It could also lead to the mower engine shutting down while in operation. Bad tensioner pulley The bearing in the tensioner pulley can fail Replace the tensioner pulley Missing idler arm spring If the idler arm spring breaks or goes missing, it can no longer place tension on the drive belt Replace the broken or missing spring Low or old hydraulic oil Low or old hydraulic oil can fail to lubricate the hydraulic system causing your hydraulic system to seem weak Change your hydraulic oil at regular intervals as recommended by Gravely. Check the air filter regularly to ensure it's doing its job correctly and impurities aren't getting in to block pipes or damage the transmission. Detailed information can be found at: Your Gravely Mower is Leaking Gas. Reasons Why Your Gravely Mower Won't Drive Straight or Steer Correctly Gravely Lawn Mower Won't Move. Replace the cap if needed. The next thing to do is get rid of the air already in the hydrostatic transmission. Finally, make sure that the cap is tight before you use the mower.
The recommendation is the same for Gravely Zero Turn mowers made with "Hydro-Gear" individual trans-axles. Like with any mechanical item you purchase, when you own it long enough, you're bound to run into a problem. In addition to these items, the mower can. Problem 4: Gravely Zero Turn Mower Weak on One Side. It can make mechanical parts fail or cause plastic housings to become weak and leak. The Gravely Zero Turn mowers use a hydraulic system, meaning it needs a vacuum to generate enough hydraulic or hydrostatic energy for the engine to work correctly. Reasons Why Your Gravely Mower's Hydrostatic Transmission Seems Weak Gravely Lawn Mower Won't Drive Straight or Steer Correctly.
Both Ariens and Gravely mowers can be used for residential or commercial use. If you would like to report your concerns and have our customer support team follow-up with you, please visit our customer support portal. She owns her own content marketing agency, Wordsmyth Creative Content Marketing, and she enjoys writing home and DIY articles and blogs for clients in a variety of related industries. The weakness also makes it difficult for it to gain traction while moving. ● After confirming that the oil is at the recommended level, remove the transmission. When cavitation occurs, your mower will have trouble starting because the transmission cannot provide enough power for the mower's engine to work efficiently. Gravely's support page lists recommended transmission oils for its mower drive systems. Test and replace faulty safety switch Bad ignition switch or coil Your mower will not start when either the ignition switch or coil is bad Test and replace a bad switch Reasons Your Gravely Mower Won't Start Gravely Lawn Mower Starts Then Dies. The items that can keep your mower from starting are old fuel; plugged air filter; clogged fuel lines; plugged fuel pump; a dirty carburetor; a dirty spark plug; a bad ignition switch; a bad battery; and a faulty charging system. Bad spark plug Excessively dirty or broken spark plug; bad connection; not gapped correctly Replace with a new spark plug, secure connections, and ensure it is gapped to manufacturer specifications Plugged air filter Dirt and grass can plug the air filter preventing airflow Remove the filter and clean it. Your mower can develop leaks in the fuel system because old grass degrades your components over time. To change the oil in a Gravely Zero-Turn mower, make sure that it is turned off and cold, and remove the key.
Many of the items that can prevent your Gravely lawn mower from starting will also cause it to shut down after running. Ensure spark plug wires are securely attached and the plug is gapped correctly. Gravely Lawn Mower Won't Start. Be sure to check the owner's manual for your specific mower to be sure the type you buy is what's recommended. What Kind of Oil for the Transmission in a Gravely Zero-Turn Mower? A Gravely lawn mower requires air, fuel, and spark to start and run. Gravely mower is cutting uneven. Cause Reason for Problem Solution Incorrect tire pressure Unequal tire pressure can cause your mower to pull to one side.
Here are some of the things you should do if you notice an issue with your transmission. Problem 3: Mower Breaks Down During Operation. Hot hydraulic fluid Hot hydraulic fluid can be a sign of damage to your hydrostatic transmission system Let your hydraulic oil cool. The choke can cause your engine to shut off when it continues to restrict airflow after the engine warms.
Common Gravely Lawn Mower Problems & Solutions. Some signs that may indicate an issue with your hydraulic system are higher levels of emission, faulty or weak hydrostatic transmission, and constant breakdowns. Detailed information can be found at: Your Gravely Mower is Blowing Blue, Black or White Smoke: Find Out Why! Test your battery and charging system. Any ideas on my next step? Replace the line if necessary. Add a severe vibration in your mower, you may feel like you're going to shake right out of your seat. Gravely already has a safe way to do this in their owner's manual. It is typically recommended to change the hydrostatic transmission fluid every 250 hours, or once a year – whichever comes first.
Faulty or clogged fuel cap The vent in the cap can get clogged causing your tank to form a vacuum restricting fuel flow Try to clean the cap and remove the clogged vent. Make sure the bypass valves are in the operating position. Old hydraulic oil or not having enough oil in the hydraulic tank can also result in a weak transmission. The most common Gravely lawn mower problems are: Gravely mower doesn't start. Bring to a small engine repair shop to inspect engine damage. Check your hydraulic oil periodically to ensure your hydraulic fluid is full. She also runs her own lifestyle blog, Sweet Frivolity. Jacked it up and ran it forward and back to bleed any air out. The manufacturers have a recommended oil level. The sign of a good air filter is that you should be able to see through it when you put it against a light source. You should check the brakes to make sure it is fully cleared. Internal problems including the piston ring, valve train, or engine gasket Internal engine problems can have a detrimental effect on your mower if they are not caught soon enough and fixed.
Check over your mower deck and mower for any place small items can be stuck in your mower. For Zero Turn units that have "Hydro-Gear" pumps and wheel motors, you should use a 20W-50 or a 15W-50 synthetic motor oil. Make sure your cables are tight and clean the corrosion from terminals. Gravely is Ariens's commercial lawn division, and the products are sold through their dealers. The type of oil that's best for your Gravely motor depends on the model, so be sure to check the manual. Once you clean it and still can't see through, I recommend changing it. Small debris lodged in your Gravely mower, worn engine mounting bolts or bad mower deck components can cause a vibration. Many mower owners overlook the air filter's importance to their mowers' overall health. When a switch fails, your mower may not start. This could be a valve or piston ring problem. Always check the tire pressure first and then move on to looking at your mower deck. Replace the bearing in the spindle housing or replace the whole spindle housing assembly Worn pulleys or deck belt Check deck belt and pulleys for wearing of the belt and bearing failure in the pulleys Replace any damaged or worn belts and pulleys Debris lodged in mower The smallest little things can cause your Gravely to excessively vibrate.
Gravely mower won't move. When there's a leak in one of the channels or pipes, it is not only oil that leaks out. Clean or replace spark plugs if needed. An uneven cut with your Gravely mower isn't always a problem in the mower deck. Reasons Your Gravely Lawn Mower is Vibrating Gravely Lawn Mower Has a Bad or Uneven Cut. Replace a worn or cracked belt. The company also sells these oils on its site, and you can also find them on other websites. When these problems arise, it becomes difficult for the lawn mower to work properly. It can be something as simple as a low tire that can cause your mower not to sit level. Check over your mower for debris stuck in the deck or mower. Bad Fuel Shut-Off Valve Metal and plastic shut-off valves are prone to leaking Replace the shut-off valve Cracked Fuel Lines Rubber fuel lines become dry and cracked causing gas to leak Replace the fuel lines Bad Seal in the Gas Cap The gas cap seal can fail and no longer seal allowing gas to splash out of the fuel tank around the gas cap Replace the gas cap Places Your Gravely Mower May Be Leaking Gas. Best Zero-Turn Mower Brands. ● While the mower's engine is still running, let the person in the operator's seat move the throttle from rest to a slow position.
Gravely mower starts then dies. The writers at Family Handyman suggest changing the oil on a new mower soon after you start using it, after about five hours of running time. ● Ensure that you repeat the forward and backward movement of the motion control levers three to five times. Inspect The Air Filter For Impurities.