Therefore, it is time for you to invest in new mower blades. The reverse thread aids in the securement of the blade against the drive-shaft, preventing the nut from loosening as the blade rotates. With a push mower, many people try backward mowing. Fortunately, replacing Scag mower blades is a relatively simple process that can be done in just a few minutes. Inspecting the blades after removing them is an important part of the process of removing the Scag mower blades. Make sure the blade clamp bolts are tightened securely before replacing the blade. Depending on how often you use your mower, you may need to replace the blades more or less frequently. The mower is ready to go. Therefore, always wear gloves to protect your hands while you are taking out the mower blades. Mulching blades are sometimes called all purpose or 3-in-1 blades because you can use them to mulch, bag, or side discharge. So its understandable that the blades have piqued the interest of many, prompting many theories regarding the blades, their orientation, and their integration with the internal combustion engine, all of which have been crucial in determining the sort of lawn mower a particular mower is. I eventually added a microgreens setup and home sprouting operation. Which way do mulching blades go on a riding mower? Finally, use a wrench to remove the bolts that hold the blades in place. Disconnect the plug line and place it in a safe place. Blade-lock gadgets are also available on some lawnmowers, which aid to keep the blade in place while removing and reinstalling it. Are Craftsman lawn mower blades reverse threaded? Mulching blades feature more curves and an increased cutting edge. It is obvious when you will do backward mowing; you will not be able to see anything in your backside. LawnModel is a participant in the Amazon Services LLC Associates Program. Do all mower blades turn counterclockwise? 482879. These can say things like: This Side Up, This Side Down, or This Side Toward The Grass, depending on the brand. So you will disconnect the extension springs for super fast work. 61" Deck Blade. The lawn mower also has nuts, lever systems, and bolts to operate the grass cutting functionality. Messages. What to Do If You See Your Lawn Mower Smoking? To unscrew a right-hand threaded bolt mower, rotate the retaining bolt to the right or clockwise. Here are few pointers that you should know about backward mowing. Scag Part # 04001-41. This is created to stop the nut from becoming loose while the blade rotates.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'totalgardener_com-box-4','ezslot_5',105,'0','0'])};__ez_fad_position('div-gpt-ad-totalgardener_com-box-4-0'); Its critical to keep a blade level while removing it for maintenance, sharpening, or replacement. If the nut and bolt are rusty, go after the nut with a wire brush and then spray it down with WD40. Good luck. Blades of a reverse threaded mower appear to turn to the right if observed from the mowers top while mowing. Dig up that product manual if you want a more clear-cut answer. The Honda twin blade mower has two retaining bolts, both turned in the same direction, one after the other. Hence be careful. Dont worry, its not sharp enough to cut you. Save my name, email, and website in this browser for the next time I comment. It will help you to remove the mower blade easily. This has me flummoxed. Scag Mower Hex Head Spindle Blade Bolt 5/8-11 X 9-1/2, 3 Pack . Remove the blade after unscrewing and replace it with a new or sharpened one. I agree with mower babe. Are MTD lawn mower blades reverse thread? Most lawn mower blades rotate in a clockwise direction (counter-clockwise when viewed from below), and as such have the cutting edge on the right side. I eventually added a microgreens setup and home sprouting operation. Check on the back side of the blade for the place to put the wrench before you take it to a shop so you don't feel silly. I have even used a breaker bar with a pipe over it and everything turns except for the blade. In the long run, you have to take care of them. 1,222. The bend in mulching blades also must point away from the ground. Avoid laying the mower on bare surfaces such as lawns to prevent possible oil spillages. However, most lawnmower blades are reverse threaded. Ensure that your mowers blades are on correctly, that both are secured tightly to the mower deck and that both are balanced. Note the direction the blade cuts grass to determine which blade you have. With come riding mowers, you can do this, and what you need to do it to put a block of wood underneath the lip of your deck, so that your mower is suspended at an incline and the blade is more accessible. After mowing, you may find lots of debris accumulated in the mower blades. Related Article: What is the correct way to read a belt size? If it is a bolt, the cut off the head. It keeps the grass equally cut and helps your lawn to look pleasant. 22HP/725cc Kohler 7000 Series V-Twin OHV 4-Cycle Engine 42-Inch, Stamped Steel 2-Blade Mower Deck Hydro-Gear EZT Hydrostatic Transmission 3.5 gallon fuel capacity Ground speed: 7 mph forward/3.5 mph reverse Front wheels: 11 x 6 in - 5 in Rear wheels: 20 x 8 in - 8 in 3-year consumer warranty Model: 17AREACS010 2022 Model Retail $3,499 Sale . 3. The most common and easiest way to tell which side of your lawn mower blade is up, is to look for the label. The answer to the question is yes and also no, which will be further expounded. Instead, the nuts in the lawn mower are reversely threaded. Generally, when you are mowing the lawn, there can be debris or rocks. Still, the result is not promising. 21,750. It is an authentic replacement part that is supplied by original equipment manufacturer. Lawnmowers, like all equipment, require routine care and maintenance. AMAZON, THE AMAZON LOGO, AMAZONSUPPLY, AND THE AMAZONSUPPLY LOGO ARE TRADEMARKS OF AMAZON.COM, INC. OR ITS AFFILIATES. If your mower has a gas tap, make sure its turned off before continuing. They are extremely sharp and can cause serious injury. Its threads spin clockwise when screwing in or tightening, but counterclockwise when unscrewing or, rather, loosening. So this article explains your query are lawn mower blades reverse thread? Some blades that you can purchase are available with stronger metals or alloys, and these can actually last up to 400 hours before needing replacement. Hi, Im John Stephens, chief editor and writer for Totalgardener.com. So, Are Lawn Mower Blades Reverse Thread? If you continue to use this site we will assume that you are happy with it. The threads which have reverse threads in the lawn mower are usually the blade nuts which are so incorporated to safeguard the blades on the drive shaft of the IC engine. The Scag 396-726 Gator Mulch Blade is perfect for those who want a better mulching action, while the Scag 481999 Cutter Blade is ideal for those who need a more precise cut. Products [47] Sort by: 1 2 3 Next Page View All. In cordless lawn mowers, there lies a battery; you can remove it before the operation. Shop today! A-1, have you got those blades off yet? View Scag Mower Parts Diagrams: Replacement 21" Scag Blade. GARDENERHEAVEN.COM IS A PARTICIPANT IN THE AMAZONSERVICES LLC ASSOCIATES PROGRAM, AN AFFILIATE ADVERTISING PROGRAM DESIGNED TO PROVIDE A MEANS FOR SITES TO EARN ADVERTISING FEES BY ADVERTISING AND LINKING TO AMAZON.COM. Sharpening the blades will also help them last longer. When the blades come out, maintain their orientation so you can match the newer blade when fixing during replacement. Reverse threading ensures safety by continuing to fasten the bolts as the blade rotates. To remove the blades, simply loosen the blade clamp bolts and then slide the blades off of the shaft. You should turn left, or counterclockwise. The direction you turn the retaining nut is standard to the right. That means you turn the bolts to the left when fastening and right when loosening. N.E. I have let the impact run and run and run, to no avail. Therefore while rotating, the blade will not move from its normal location. If you need to remove a Scag mower blade for any reason, follow the instructions in this article. If the bolt is threaded in the wrong direction, the lawnmower blades may potentially become stuck. Dieffenbachia vs Aglaonema | What are The 6 Factors? If you check the ends of the mower blades, there lies the cutting edge. The size of the wrench socket needed will depend on the mower model. It may not display this or other websites correctly. Your email address will not be published. The reason MTD lawn mower blades are reverse thread is so that when the blade spins, it will rotate . The retainer nut on most of our riding mower blades are a 5/8 thread diameter. and walk-behind mowers. How to Market Your Business with Webinars. Reverse threading is a fastening method where threads in the retaining bolts wrap around the shaft counterclockwise. 4. Do Cherry Trees Have Thorns | Complete Discussion, How to Build a Tiered Garden on a Slope: Simple Steps, How to Get Rid of Pachysandra : Simple DIY Methods. Copyright 2023 Lawn Model | Powered by [Chris Wheeler, Are Lawn Mower Blades Reverse Threaded? A good rule of thumb for the average homeowner is to replace your mower blades annually. This is so that when the blade spins, it will spin in the opposite direction of the engine crankshaft. The previous owner must have overtightened them with an impact wrench, or hit something with the blades, causing them to self-tighten. Thanks for all the comments! Twin blade mowers have two blades, which cut the grass simultaneously when mowing. These are the blade bolts for Scag Lawn Mowers. Scag 482879SU 3 Pack Mower Blade. First, remove your plug wire and turn off the gas feed if youve got a tap, and set your mower on its side, carb-side up so that you dont leak gas. Screw threads are often assumed to be right-hand threaded unless otherwise specified as left-hand. Are Mower Blades Reverse Threaded?. How do you loosen a tight bolt on a lawn mower? How often should lawn mower blades be replaced? If you have left them on for way too long they will be way too tight. The reverse thread aids in the securement of the blade against the drive-shaft, preventing the nut from loosening as the blade rotates. If you can maintain the mower blade well, then you can change it after two or three years too. I later moved to Colorado where I experimented with growing greens using aquaponics inside. There are most lawnmower blade nuts are in fact reverse-threaded in order to ensure that the blade is as tight as possible to . Safety Precautions: Dont Risk Injury During a Blade Swap. As we all know by now, you have to take out the previous blade from the mower. This style blade goes by other names too depending on manufacturers. Once the blades are removed, be sure to dispose of them properly. Loosening refers to a right-handed thread that is loosening in a clockwise direction.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'totalgardener_com-medrectangle-4','ezslot_2',104,'0','0'])};__ez_fad_position('div-gpt-ad-totalgardener_com-medrectangle-4-0'); To attach the blade to the engines driveshaft, most lawnmower blade nuts are reverse-threaded. Blades in place for any reason, follow the instructions in this.! 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