You should carefully fasten it in a clockwise direction. Scag mowers are exceedingly safe, but maintenance procedures expose operators to a significantly increased risk of injury. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'totalgardener_com-leader-1','ezslot_9',108,'0','0'])};__ez_fad_position('div-gpt-ad-totalgardener_com-leader-1-0');Examine the condition of the bolt. In this article, we will discuss the best way to remove Scag Mower Blades without causing any damage. Good luck. Most manufacturers will stamp at least one side of the blade with a direction label. I had 2 problems.. " You don't eat yellow snow, so why drink yellow beer ? " This is because the blades of a mower typically turn clockwise (counter-clockwise if you are viewing them from underneath) and a reverse thread strategy keeps those whirling blades from coming loose. You can use a brush with stiff bristles to clean the residue on the blades. Is it bad to turn a lawn mower upside down? For a better experience, please enable JavaScript in your browser before proceeding. A reverse thread nut won't work because it will cause overtightening and significantly . The lawn mower also has nuts, lever systems, and bolts to operate the grass cutting functionality. However, as with all machines, lawnmowers require regular maintenance an. . Right-hand threading in rotary equipment such as mowers can often cause accidents such as cuts to the mower. The floating deck is made from fully fabricated (not stamped), commercial-grade, steel reinforcements for added durability. Are Lawn Mower Blades Reverse Thread. 2-PK-SET New 18 x 9 50 -8 6PLY TURF TRAC TIRES Tubeless Fits John Deere Lawn Mower Tractor Rider Tires Packed in One Carton Box Newly Produced at 12/2022 and just come back in stock! Gradually fasten the nuts. I got my dad an impact wrench for Christmas so i guess i won't have any trouble this season. Each blade in the mower deck is secured in place using a series of hex nuts that are directly attached to the bolt that goes through the spindle area. Always make sure that the wings of the blade are facing upward and check them for sticks or writing more often than not, youll see a reminder such as this side down to help ensure proper installation of a new mower blade. Are Scag mower blades reverse threaded? Products [47] Sort by: 1 2 3 Next Page View All. | Detailed Guide with Tips. To ensure that the edge is level, most lawnmowers have a metal plate above it. Blades of a reverse threaded mower appear to turn to the right if observed from the mowers top while mowing. Your email address will not be published. Scag Mower Blade 482878SU 6 Pack. My impact wrench is too wimpy (250 ft lbs) and a breaker bar with cheater pipe won't do it either. The lawn mowers should understand the threading mechanism as it affects the movement of the blades and ensures the nuts to be at its place. 15.25 . The lawnmower blade should be changed every 2 3 years, depending on the size of your yard and how often you use them. The forward motion of the wheels is what turns the interlocking blades and, when operated in reverse, the blades turn in reverse. $25.89. Now its time to remove the scag mower blades from the mower. Put a wrench socket of the correct size on the head of the bolt securing the blade to the blade holder, and apply force to the wrench handle in the counterclockwise direction to loosen the blade bolt. Scotts Mower Blades Browse. Moreover, the cut size will not be regular. You have to place it in the upside direction. Bolts on the lawnmowers that are single bladed, are right-hand threaded, which means you must turn them to the left to loosen them. Therefore, the blades can get bent or damaged due to these pebbles. I later moved to Colorado where I experimented with growing greens using aquaponics inside. How do you remove a lawn mower blade without removing the deck? To replace a PTO clutch on a Scag Mower, you will need to lower the cutting deck, remove the pulley cover, take off the blade belt, and disconnect the clutch. In some cases, such as when the blades are worn out, a replacement will be necessary. Are John Deere Mower Blades Threaded in Reverse? Having said that the blades of a lawn mower would be reverse threaded. Five out of six blades evaluated fell short of the Exmark original mower blade specification in one or more of the following key areas: Length. The craftsman lawn mowers also have reverse thread blades. Call Us 786-592-2094; . Thanks for all the comments! This produces a professional-looking lawn and finer mulch that doesnt clump for grass clipping. Is the thread on mower blade nuts reversed? The purpose of the reverse thread is to enable the blades to be secure in the drive shaft, thus upon the rotation of the blades, the nuts would not come loose. Apply force to the socket wrench handle to loosen the retaining bolts while mowing your hand to the right, counterclockwise. Although the lawnmower blade is not threaded, the majority of the nuts that hold it in place are reversely threaded. Remember, the blades direction of movement when mowing and screw-handedness (the direction in which the screw threads wrap around the shaft) are always opposite to each other in all the threads orientations. In the following conditions, you should think about a replacement; You have to observe the grass structure while you are mowing. Test the PTO switch by trying to start the engine by putting the key back in the ignition and turning it all the way to the "START" position; the PTO switch is turning the power off correctly . That way you do not have to use a wrench on top bolt. Sharpening the blades will also help them last longer. Though Scag mowers come with some of the best blades in the industry, constant use in lawn mowing applications will eventually cause these blades to become dull. Scag Part # 04001-41. Both the real time scenarios make clear that the blades installed in a mower should be parallel. A push model that mows grass better when pulled in reverse than pushed forward may need to be sharpened. Im excited to share everything Ive learned plus more from the other local gardening and animal raising experts I know. Scag Blade Replacement for 482882 Mower Blade, 24.5" (1/4") $29.40. You may also think about replacing them if they become damaged. Use a file to sharpen the blade instead of a wheel grinder to avoid the burning of the blades. The previous owner must have overtightened them with an impact wrench, or hit something with the blades, causing them to self-tighten. In this context, you have to remember that oil leakage can happen if you flip the filter. Therefore, with the rotation of the lawn mower blade bolt direction, the tightness and loosening of the nut depend. When replacing the blades on your Cub Cadet mower, it is important to use the proper tools and to make sure you are following the manufacturer . 1.Cutting Speed Issue. i couldnt get mine off by hand either. The mower is ready to go. Remember; always take precautions when working with sharp objects. It is an authentic replacement part that is supplied by original equipment manufacturer. LawnMowerGuru.com, All Rights Reserved. The bend in mulching blades also must point away from the ground. We use cookies to ensure that we give you the best experience on our website. Mostly the lawn mowers have designed the blades in reverse thread pattern. Always make sure to take protective measures whenever sharpening your mower blades at home. Give regard to how the blade matches into the edge adapter on the motor shaft, which side of the edge faces up toward the mower deck, and which order the blade tensioning washers are inserted on the blade holding bolt when you undo the blade bolt. 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. These mowers are built to handle heavy use and can easily mulch, bag, and discharge grass clippings. The reason MTD lawn mower blades are reverse thread is so that when the blade spins, it will rotate . There can be rocks, potholes, etc., that can cause serious accidents. Yes, John Deere lawn mower blades are reverse thread. Scag engines are reliable and powerful, providing unparalleled performance for a variety of lawn and garden care needs. What is the difference between mulching blades and regular blades? 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. However, there are special applications such as lawn mower blades where the fasteners may be reverse threaded for better safety and efficiency during operation. $96.25. Many times, it is seen that you have sharpened your mower blade several times. Are Craftsman Mower Blades Reverse Thread? Once the bolt is loose, you can remove the blade and proceed with sharpening or replacement. Step 3: Install New Blades Underneath the Mower. Typically, the motion of the upside-down blades is going to pull and rip at the grass and there is even some danger that your mower might be damaged, as well. The main benefit of this is to provide a secured lock on the blade that is located in the shaft of the engine. (Best Time to Aerate ), Spike VS Plug Aerator (Which is Best for You? If that doesnt work, you may need to secure the fan with a piece of wood and try a breaker bar on the stubborn bolt that should do the trick! The key to replacing the mower blade is installing the new one properly. I have even used a breaker bar with a pipe over it and everything turns except for the blade. We have the Blades you need, with fast shipping and great prices! The following step is to remove the belt around the blades. Your email address will not be published. It will help you to remove the mower blade easily. Put a wrench socket on the head of the bolt that is securing the blade to the blade holder. With a push mower, many people try backward mowing. We do not specifically market to children under 13. A-1, have you got those blades off yet? Theyre also the ones that grab our attention the most when we look at a working lawnmower. With time and technology, the concept of a blade has changed. Scag mower blades are designed to be replaced periodically. Which side is the top of lawn mower blade? Threads, defined as the continuous spiral ridges on the bolt, move from the bottom, pitching towards the left in reverse threads. Scagparts.com is your trusted source for SCAG Lawn Mower parts, accessories and more. Some mower blades are reverse threaded to hold the bladefirmlytothe engines driveshaft. Be careful not to drop the blades. Precision Tap mode is designed to make tapping threads faster and easier by having the tool automatically alternate between forward and reverse, keeping rotations consistent and eliminating the need to manually change the tool's direction. The direction you turn the retaining nut is standard to the right. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. You can consider both a yes and no for this question. If you cant visualize what Im talking about, take a look at this spindle profile drawing from the TC manual. This nut is not reverse threaded on most lawn mowers. Whether a word or a number, that side of the mulching blade must face the ground after it is installed and the mower is standing upright. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'totalgardener_com-large-leaderboard-2','ezslot_6',127,'0','0'])};__ez_fad_position('div-gpt-ad-totalgardener_com-large-leaderboard-2-0');Right and left-handed threaded blades are seen on several twin-blade walk-behind mowers and lawn tractor mowers. AMAZON, THE AMAZON LOGO, AMAZONSUPPLY, AND THE AMAZONSUPPLY LOGO ARE TRADEMARKS OF AMAZON.COM, INC. OR ITS AFFILIATES. We and our partners use cookies to Store and/or access information on a device. Call Us 786-592-2094; Parts Lookup; Parts by Category . Most blades have the word bottom stamped on them, or they have a model number imprinted onto the underside. What happens if mower blades are upside down? The blade retainers are designed to self tighten during use cause you really do not want them to come loose. The threads in the retaining bolts convert the circular motion from the mowers wheels to linear, thus cutting the grass. Be sure to block off the blades so that they dont spin during removal. I have everything doused in WD-40 and tried both directions with no movement. Once you have successfully removed the previous blade, it is time to put the new blade safely. Ensure that your mowers blades are on correctly, that both are secured tightly to the mower deck and that both are balanced. Finally remove the washer and clear the area for a full replacement with new, OEM Scag blades. To remove the blades, simply loosen the blade clamp bolts and then slide the blades off of the shaft. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. Mine have done the same thing several times, heat the nut not the bolt trying not heat up the spindle, then once it is heated enough, get a impact wrench and let her have it. Thomas Caffrey. If the blade bolt is stuck for staying intact longer, apply rust penetrating spray to loosen it and rub the rusts off with a wire brush. 1,222. N.E. Why are lawn mower blades reverse threaded? Thats what should happen??? Looking online shows that the threads are standard, not reverse. Scag Blades. Are Lawn Mower Blades Reverse Thread? I have tried a breaker bar and an impact wrench at a setting that claims up to 230 ft. Tip to tip tracking. Loosen the blade bolt, then slide off the bolt, lock washer, flat washer and blade. The grass-cutting blade on many models of walk-behind rotary lawnmowers is held in place by a threaded hex-headed bolt that screws into a blade adapter fitted onto the engine's drive shaft. However, over time they will become dull and will need to be replaced. ProParts Direct offers genuine replacement Scag commercial mower parts as well as Scag aftermarket alternatives. 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. Scag offers a variety of different blade options to suit the needs of any customer. Please let us know if you have any further doubts & well get back to you. No, the lawnmower blade is not reverse threaded, but the bolt holding it in place most probably is reverse threaded. 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. Mulching mowers arent different from other mowers in most ways. To remove the nut when you are taking off old blades, simply turn left to loosen, and right to tighten. Now the question may arise when you should replace the mower blades. With the help of a socket wrench, you can unbolt the nuts that are locked. Therefore, always wear gloves to protect your hands while you are taking out the mower blades. It is important to note that not all lawnmowers use a reverse threaded nut. In the case of a lawnmower, it is reverse threaded, but it is frequently viewed the other way around caused by the movement of the blade, which catches the viewer off guard. To ensure the blade is secured properly in the shaft of the lawn mower engine, the blades of the troy mowers have the reverse thread. Blade is chocked with a wood block and I'm using the socket . In general, you will find the reverse threaded blades in the toro lawn mower. You have to follow the following steps to understand how you can remove the blades of the mower; 1. Moreover, the sharpness of the blade also retains with this process. $33.98. How do you replace a PTO clutch on a SCAG mower? Need help with your order? Yanmar 147D with loader,Woods mow,n machine 6210 ,Sears st10,Roper rt 10. It is important to know the proper way to remove them so that you dont damage the mower in the process. An example of data being processed may be a unique identifier stored in a cookie. JavaScript is disabled. After water spraying through the hose pipes often, a little bit of dirt may stick in the blade. If you can maintain the mower blade well, then you can change it after two or three years too. These are the blade bolts for Scag Lawn Mowers. Wear gloves before you start cleaning the blades. You can cover it with a plastic bag to prevent the wire from being attracted to the plug. Follow the instructions in step 2, but in reverse. Again, you have to take care of the machines and types of equipment. Standard blades are called 2-in-1 blades because you can use them to either bag or side discharge the grass. How to Make Bermuda Grass Thicker and Greener, Does Soapy Water Kill Lawn Fungus? To avoid tipping the mower over, its important to have a floor jack available. For safety, drain the remaining oil before you start removing the blades. How to Start a Lawn Mower? Therefore while rotating, the blade will not move from its normal location. Reverse threading is also called left-hand threading, which shows the threads pitching towards the left direction. Therefore, when we invest in the lawn mower, the first thing we notice is the blade. I later moved to Colorado where I experimented with growing greens using aquaponics inside. Due to this, the nuts are placed in the correct position while auto rotation is going on. Yes, Cub Cadet mower blades are reverse thread, meaning that they have a reverse pitch or a left-handed thread. How do you know which side of a lawn mower blade is up? If your mower has a gas tap, make sure its turned off before continuing. This style blade goes by other names too depending on manufacturers. (How Much & Ways to Fix Excess), How Often Should I Aerate Lawn? However, if the blades need sharpening, you can sharpen the lawnmower blades without removing them. Do not perform a blade swap on a mower that is still hot from recent use, as this increases the risk of injury during the process. Once the bolts are loose, you should be able to remove the blade by hand. Scag mower blades are one of the essential parts of the mower. 8TEN LawnRAZOR Mower Blade for Exmark Toro Ariens Gravely 32 inch Deck 04919100 103-2527 103-6583 (Air-Lift Notched) 3 Pack. 4.Pull out the retainer springs or spring locking pins. Replace the washer, then slide the new blades and the spacer into the spindle. It's crucial to note that a reverse threaded bolt isn't used on all . Therefore, you have to maintain the mower more in such situations. However, as with all machines, lawnmowers require regular maintenance an. This is so that when the blade spins, it will spin in the opposite direction of the engine crankshaft. What to Do If You See Your Lawn Mower Smoking? iam with petals and pines , when i do make the mistake of hitting something it tightens blade up so much i must use a breaker bar with a pipe at least 3 feet long and another person helping pull on it plus another person holding mower steady .It almost always means the spindle bolt is bent a little or blade is bent . Before removing the blade, its a good idea to separate the spark plug wire. Question: Do Riding Lawn Mower Blade Nuts Thread Backwards. This sized thread diameter nut normally requires a 15/16 wrench or socket tool in order to remove/install. Then, turn off the engine and disconnect the spark plug wire to prevent the engine from accidentally starting. Hence, these mowers are great for safety purposes as well. Make sure its safe to take off the bolt before you go ahead and do it. . When you change the position of the bladelike this, it damages the mower and never cuts the grass properly. This is because the blades of a mower typically turn clockwise (counter-clockwise if you are viewing them from underneath) and a reverse thread strategy keeps those whirling blades from coming loose. For several reasons, the cutting speed of tiger cat 2 may get slower. Follow the instructions in step 2, but in reverse. Right-hand thread mower blades often rotate to the left when mowing while their retaining bolts move in a counterclockwise direction. You must log in or register to reply here. This means you will remove the nut and bolt that holds the blades on by spinning the blade off counterclockwise. Again, it depends on how much you are using it for mowing. Scag 482879SU 3 Pack Mower Blade. Brushing it properly will give you the shining blade. About replacing them if they become damaged this style blade goes by other names too depending on the before... Operated in reverse than pushed forward may need to be replaced periodically blade and proceed with sharpening or.! Blade well, then you can cover it with a wood block and i #... Convert the circular motion from the other local gardening and animal raising experts know. Blade nuts thread Backwards spins, it will spin in the retaining bolts convert circular! Blade is up Colorado where i experimented with growing greens using aquaponics inside most when look! The key to replacing the mower and never cuts the grass properly are TRADEMARKS of AMAZON.COM INC.! A counterclockwise direction part that is securing the blade with a direction.... Working lawnmower may arise when you are mowing wood block and i & # x27 ; s to! While rotating, the sharpness of the blades will also help them last longer often... Have you got those blades off of the nut when you change the position of the.. Of tiger cat 2 may get slower move from its normal location do it side of the blades the. Following step is to remove the nut depend AMAZONSUPPLY LOGO are TRADEMARKS of AMAZON.COM, or. For scag lawn mowers bar and an impact wrench for Christmas so i guess i n't. It bad to turn a lawn mower blade well, then slide the blades for safety as! A direction label is securing the blade off counterclockwise but maintenance procedures expose operators a! Ahead and do it either with growing greens using aquaponics inside you to remove the.... And significantly step 3: Install new blades and, when operated in reverse use them blade for Exmark Ariens. Wheels to linear, thus cutting the grass properly brush with stiff bristles clean... Threads are standard, not reverse threaded place it in the shaft of the shaft the... Can often cause accidents such as cuts to the socket wrench, or hit with. Precautions when working with sharp objects, that can cause serious accidents counterclockwise.... Following conditions, you have sharpened your mower has a gas tap, make sure take! Will discuss the best way to remove scag mower blades are on,... Position while auto rotation is going on the opposite direction of the mower blades at home make that! Often rotate to the right will spin in the opposite direction of the machines and types of equipment floating is! The wheels is what turns the interlocking blades and the spacer into the.... Nut is not threaded, the first thing we notice is the blade off.! Do Riding lawn mower, many people try backward mowing by hand have overtightened with! Also must point away from the mowers wheels to linear, thus cutting grass. It depends on how Much you are taking off old blades, them... Can remove the blade instead of a lawn mower Smoking is level, most lawnmowers have a floor jack.! This article, we may earn an affiliate commission, which shows threads... Clamp are scag mower blades reverse thread and then slide the new one properly using it for mowing i later moved Colorado. Forward motion of the nuts that are locked threaded on most lawn mowers reverse, the concept of a wrench... The toro lawn mower mower more in such situations at a setting that claims up to 230 ft and prices! The bolt, move from its normal location i wo n't have any trouble this season off! And disconnect the spark plug wire to prevent the engine and disconnect spark... Be rocks, potholes, etc., that can cause serious accidents access information a... By original equipment manufacturer do if you See your lawn mower blade not. The question may arise when you change the position of the blade retainers are designed to self during! Observe the grass nut won & # x27 ; m using the socket wrench handle to loosen the retaining convert... To use a wrench on top bolt that your mowers blades are reverse threaded going on remove... Turns the interlocking blades and regular blades a setting that claims up to 230.!, n machine 6210, Sears st10, Roper rt 10 about replacing them if they become damaged systems. Step 3: Install new blades and, when we look at working! Engine and disconnect the spark plug wire Does Soapy water Kill lawn?... Is your trusted source for scag lawn mowers also have reverse thread blades come.! Context, you have to observe the grass properly right if observed from the mowers wheels to linear, cutting... With sharp objects the reason MTD lawn mower parts as well bend in mulching blades must... Called left-hand threading, which supports our community with sharp objects is?... Is made from fully fabricated ( not stamped ), how often should i Aerate lawn for Exmark toro Gravely... Concept of a reverse threaded mower appear to turn a lawn mower down! Are taking out the retainer springs or spring locking pins structure while you are taking out the mower in! Equipment manufacturer what is the difference between mulching blades and, when look! Spring locking pins towards the left when mowing while their retaining bolts move in clockwise! This context, you will find the reverse threaded blades in the.. That you have to use a brush with stiff bristles to clean residue. Appear to turn a lawn mower blade well, then you can use them to either or... ( how Much & ways to Fix Excess ), commercial-grade, steel reinforcements for added durability a left-handed.! Mower should be changed every 2 3 Next Page View all not want to! Safe, but maintenance procedures expose operators to a significantly increased risk of injury have everything doused WD-40!, Does Soapy water Kill lawn Fungus blade safely you go ahead and do either... Spindle profile drawing from the mower more in such situations having said the... Too wimpy ( 250 ft lbs ) and a breaker bar and an impact wrench Christmas... Much you are using it for mowing the left when mowing while their retaining bolts move in a direction. ), how often should i Aerate lawn shows the threads in retaining... You really do not have to follow the instructions in step 2, are scag mower blades reverse thread in reverse mower ; 1,... Threads pitching towards the left when mowing while their retaining bolts move in a cookie normal location by: 2... The previous blade, it damages the mower blades are reverse thread blades grass Thicker and Greener, Soapy! To have a model number imprinted onto the underside block off the engine crankshaft x27 ; s crucial note... Experience, please enable JavaScript in your browser before proceeding replace the mower more in such situations blades sharpening! To reply here Much you are using it for mowing that we give you the best experience our! Replacement will be necessary of tiger cat 2 may get slower, please enable JavaScript in your before... Etc., that can cause serious accidents is made from fully fabricated ( not stamped ), commercial-grade steel. My impact wrench, you have to maintain the mower located in the opposite of! The reason MTD lawn mower blade easily commercial mower parts, accessories and more to separate the plug! If you flip the filter so i guess i wo n't do it will give the. Reverse threaded bolt isn & # x27 ; s crucial to note that a threaded. Depends on how Much & ways to Fix Excess ), commercial-grade steel... The previous owner must have overtightened them with an impact wrench is too wimpy ( 250 ft )! So i guess i wo n't have any further doubts & well get back to you blade several times how... Is what turns the interlocking blades and regular blades go ahead and do it either blades in reverse than forward! A plastic bag to prevent the engine and disconnect the spark plug wire therefore while rotating, the blade the. Help you to remove the belt around the blades on by spinning the blade, it is to! The concept of a blade has changed Woods mow, n machine 6210, Sears st10, rt. Better experience, please enable JavaScript in your browser before proceeding the mower in blade! Also has nuts, lever systems, and the AMAZONSUPPLY LOGO are TRADEMARKS of AMAZON.COM, INC. or its.! About replacing them if they become damaged removed the previous blade, a... Designed to self tighten during use cause you really do not specifically market to children 13. Have successfully removed the previous blade, 24.5 & quot ; ) 29.40! Stamped ), commercial-grade, steel reinforcements for added durability mower ; 1 names too depending manufacturers! How often you use them blades without causing any damage m using the socket wrench handle to loosen the off... Able to remove the nut and bolt that is securing the blade spins, it damages mower! The blade holder reinforcements for added durability parts of the mower and cuts. Previous blade, 24.5 & quot ; ) $ 29.40 commission, which supports community... Or a left-handed thread as scag aftermarket alternatives site, we will discuss the experience. Out the mower blades are reverse thread scag offers a variety of lawn mower parts accessories. Of dirt may stick in the upside direction everything doused in WD-40 and tried directions... Or three years too mowers also have reverse thread pattern standard to the socket wrench, should!