However, there are special applications such as lawn mower blades where the fasteners may be reverse threaded for better safety and efficiency during operation. Good luck. Left-handed blades have a right-hand thread, while right-handed blades have a left-handed thread. document.getElementById( "ak_js" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. My battery powered dewalt has over 1200ft lbs of power I'll be glad to put it up against most air powered 1/2 drive. Tightening refers to a left-handed thread that is loosening in a clockwise manner. 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. Lawn mower blades are not threaded however the nut that holds the blade onto the drive shaft is. Call Us 786-592-2094; . It is common to install a blade upside down. How to Start a Lawn Mower? Are Craftsman lawn mower blades reverse threaded? For this reason, along with sharpening the blade, you will have to clean it. I eventually added a microgreens setup and home sprouting operation. After you have replaced the blade, make sure to plug in the ignition. What is the difference between mulching blades and regular blades? You will also have to remember which is the inward side and deck side of the mower. I bought a used scag 48" walk behind and I cannot change the blades to save my life. The lawnmower blade should be changed every 2 3 years, depending on the size of your yard and how often you use them. Remember; always take precautions when working with sharp objects. Since the mower will not be tipped or turned, this is simply an extra amount of caution that some may want to take. Scag Part # 04001-41. Are Cub Cadet Mower Blades Reverse Threaded? However, some blades arent secured to the engines driveshaft using a reverse-threaded nut. What size are the tractor cutting blade retainer nuts and what direction should they be turned? Scag Mower Blades: Jack's is your Place! I know we have some Honda mower enthusiasts in here are older Honda blade bolts reverse threaded, or am I just a weakling? If yours has nuts, then a nut spliter and replace them with new ones . Look at both sides of the mulching blade. Blade is chocked with a wood block and I'm using the socket . Due to this, the nuts are placed in the correct position while auto rotation is going on. Save my name, email, and website in this browser for the next time I comment. Apart from reverse threading, most machines or equipment fasteners such as screws, bolts, or nuts are right-hand threaded, meaning they turn clockwise when screwing in. If you continue to use this site we will assume that you are happy with it. It comes in 36-, 48-, 52- or 61-inch deck sizes. Hydro Pump For Tt. c 0 items. Are Lawn Mower Blades Reverse Thread? Now that you are aware of how to remove the blades on a Scag lawn 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. How to Make Bermuda Grass Thicker and Greener, Does Soapy Water Kill Lawn Fungus? Remove the blade from the mower by hand after loosening the retaining bolt. Put a wrench on top with the blade blocked off with the breaker bar on bottom. Due to the existence of an immense number of plots, people started mowing. Made me feel like a fool. Its threads spin clockwise when screwing in or tightening, but counterclockwise when unscrewing or, rather, loosening. These are the blade bolts for Scag Lawn Mowers. If you need to remove a Scag mower blade for any reason, follow the instructions in this article. The reverse thread helps to secure the blade on the drive shaft such that the rotation of the blade does not loosen the nut. The lawnmower blades itself is not threaded, but most nuts that held the blade in place are reverse threaded. Many times, it is seen that you have sharpened your mower blade several times. Manage Settings Step 2: Remove Blade Hardware and the Blades Themselves. The blade nuts, which are included to protect the blades on the crankshaft of the IC engine, normally feature reverse threads in the lawnmower. Doing so allows you to identify any damage that has occurred and take steps to address it. How Zero Turn Mowers Work Scag Cheetah: . The bolt may have a 1/2-inch, 5/8-inch or 3/4-inch head, depending on mower model. Remove the floor jack, replace any fluids that might have been drained, and reconnect both the battery and spark plug wires. It offers forward ground speeds up to 7 mph. If you have left them on for way too long they will be way too tight. With the blades removed, you can then proceed to sharpen or replace them as needed. Yes and no. 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. 4. Look for a sticker indicating which side goes up and which side faces downward. If the mower blade bolt seems to be stuck, you can place a block of wood on the head of the bolt and hit the . (https://www.youtube.com/watch?v=8nXJDdzoOSM). Yanmar 147D with loader,Woods mow,n machine 6210 ,Sears st10,Roper rt 10. 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');Standard push mower blades, provided that you have been keeping them clean between mowings and sharpening them every 20 to 25 hours, should have an operational worklife of 100 to 200 hours. I eventually added a microgreens setup and home sprouting operation. What happens if you put mower blades on backwards? 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. Hi, Im John Stephens, chief editor and writer for Totalgardener.com. You always need to sharpen the blades to one-third of their original width. They are extremely sharp and can cause serious injury. Make sure the brakes are engaged and then place the floor jack underneath the equipment and raise the mower to a high enough position to make blade swapping easy and comfortable. Scag mower blades are designed to be replaced periodically. I eventually added a microgreens setup and home sprouting operation. 2.Easily drop the spindle and then remove the blade. Are Mower Blades Reverse Threaded?. Although the lawnmower blade is not threaded, the majority of the nuts that hold it in place are reversely threaded. To remove the blades, simply loosen the blade clamp bolts and then slide the blades off of the shaft. Now its time to remove the scag mower blades from the mower. I have everything doused in WD-40 and tried both directions with no movement. Snapper Mower Blades Browse. Step 3: Install New Blades Underneath the Mower. A "CCW" rotation is normally used for reverse mounting (pulley towards engine). How do you replace a PTO clutch on a SCAG mower? With a push mower, many people try backward mowing. The retention nut of this mower has a diameter of 6/8 inches. Scag mowers are exceedingly safe, but maintenance procedures expose operators to a significantly increased risk of injury. Heres how: The process of parking the mower is straightforward. Notched Air Lift Blade . If this is the case, follow the steps below to remove the blades from your Scag mower. To avoid tipping the mower over, its important to have a floor jack available. After all the bolts become loose, remove them by hand and both blades. Moreover, you will end up damaging the blades of the mower. We can understand the mower blade concept better through this article. If you check the ends of the mower blades, there lies the cutting edge. More often than not, your blade will come with a sticker that you can look for which will give you a little direction in regards to the install. Call Us 786-592-2094; Parts Lookup; Parts by Category . To remove the nut when you are taking off old blades, simply turn left to loosen, and right to . If you are unsure of how your mower rotates, check the position of the discharge chute; if it is on the right side angled back, the blade turns clockwise. Their blades turn to the right when mowing, while their threads turn clockwise and are fastened by turning the retaining bolt to the right. Are Lawn Mower Blades Reverse Thread. See More; Self-Propelled vs Push Lawn Mower. In some cases, such as when the blades are worn out, a replacement will be necessary. If it has the word Bottom, or a model number printed on it, that side of the blade faces the ground when the mower is upright. This sized thread diameter nut normally requires a 15/16 wrench or socket tool in order to remove/install. In this context, you have to remember that oil leakage can happen if you flip the filter. The mower is ready to go. Yes you heard it right. If you are using the gas lawn mower, then kindly check the air filter present at the top. As always, be sure that blade removal and replacement takes place in an open, outdoor space rather than in a shed or garage. Again, if you have an electric mower, then you can skip this step. All trademarks appearing on this page are the property of their respective owners. Hex set, Step-by-Step: Swapping Old Blades with OEM Scag Replacements. I believe many commercial ZTRs use this same basic setup. Not all the engines are the same in every land mower. When the mower blade is moving in a clockwise way, the nuts start losing the tightness. . Hence, these mowers are great for safety purposes as well. Next, locate the blade bolts and use a wrench to loosen them. Once the blades are removed, be sure to dispose of them properly. How do you loosen a tight bolt on a lawn mower? The Removal and Installation of Lawn Mower Blades, https://www.youtube.com/watch?v=8nXJDdzoOSM, Are Mower Blades Reverse Threaded? You have to understand the location of the discharge chute, so you will understand how the blade of the mowers will turn. Oct 23, 2003. Brushing it properly will give you the shining blade. For a better experience, please enable JavaScript in your browser before proceeding. Lowest prices, best service. It will prevent debris accumulation. 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. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'totalgardener_com-box-3','ezslot_3',102,'0','0'])};__ez_fad_position('div-gpt-ad-totalgardener_com-box-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'totalgardener_com-box-3','ezslot_4',102,'0','1'])};__ez_fad_position('div-gpt-ad-totalgardener_com-box-3-0_1');.box-3-multi-102{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:50px;padding:0;text-align:center!important}Both yes and no. To fasten a right-handed mower, spin the nuts towards the left but to the right when loosening. JavaScript is disabled. Yes you heard it right. 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. You can cover it with a plastic bag to prevent the wire from being attracted to the plug. How Often To Run Exhaust Fan In Grow Tent. It is obvious when you will do backward mowing; you will not be able to see anything in your backside. Spray the bolt with WD40 making sure to cover the blade above and below the blade and give it time to absorb into the threads. Clamp the sides of the mowing deck with a g string or use a wood block to block the blades from rotating. After spraying the oil product on the bolt, you can try to remove it with a socket wrench. Lawnmowers assist in the maintenance of lawns and the cutting of grass. s Search. 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. Are Lawn Mower Blades Reverse Thread? Genuine Scag parts from an Authorized SCAG Dealer. Note the direction the blade cuts grass to determine which blade you have. For those who need a left-handed blade, the Scag 482239 Cutter Blade is a great option. You can get various types of sharpening tools in the market or online at an affordable rate. Most pros know, bad blade geometry robs your cut quality, but the spec fall-out was not limited to geometry. The mower blades and the edges have sharp ends. The sharp blade reduces the wear on the engine and increases the speed. Im excited to share everything Ive learned plus more from the other local gardening and animal raising experts I know. Siphon the remaining oil into a clean container using a hose. For electric mowers, you will just have to detach the plug completely. Put a wrench socket on the head of the bolt that is securing the blade to the blade holder. [How to Use It], Best Crabgrass Killer that Wont Kill Grass [Top 8 + Reviews], When to Apply Grub Control: Best Timing to Put Down Grub Killer. $178.90. 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. Be sure to block off the blades so that they dont spin during removal. It is important to note that not all lawnmowers use a reverse threaded nut. This means you will remove the nut and bolt that holds the blades on by spinning the blade off counterclockwise. 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. Im excited to share everything Ive learned plus more from the other local gardening and animal raising experts I know. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. To repair it, simply turn it clockwise like you would any other bolt. With a ratchet, you can remove or detach the lawn mower blade. 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. The next step is removing the deck belt from around the blades. You can unscrew them by removing one blade after the other, depending on the bolt threading direction. Now you can reverse thread the blade or sharpen it. Some mower blades are reverse threaded to hold the bladefirmlytothe engines driveshaft. 36" & 52" Deck Blade. Why does my mower cut better when I pull it backwards? Remove the spark plug wire first to make sure the engine doesnt start accidentally. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'totalgardener_com-box-3','ezslot_3',102,'0','0'])};__ez_fad_position('div-gpt-ad-totalgardener_com-box-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'totalgardener_com-box-3','ezslot_4',102,'0','1'])};__ez_fad_position('div-gpt-ad-totalgardener_com-box-3-0_1');.box-3-multi-102{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:50px;padding:0;text-align:center!important}Yes, most mower blades are reverse threaded. With an intuitive online parts selection tool and extensive experience with Scag mowers and more, equipment owners will find every part and tool they need to make the removal and replacement process a quick success. Look for one of these and it will say bottom or perhaps this side up, but if you dont see a sticker at all then look for the wings on the mower blade.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'); These should be facing up when installing the blade properly. 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. 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. Scag Mower Hex Head Spindle Blade Bolt 5/8-11 X 9-1/2, 3 Pack . $38.54. (How Much & Ways to Fix Excess), How Often Should I Aerate Lawn? I think the Patriot used to be the Freedom Z, and what I have read indicates that the bolts thread into the spindles, do not go all the way through like some of the other Scag models. 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');It will apparent very quickly if the mower blade has been installed upside down. A reverse thread will help keep the lawnmower blade securely on the mower's driveshaft. Most lawnmower blades are reverse-threaded to hold firmlytothe engines driveshaft. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Most lawn mower blades are reverse threaded which is also known as right-hand threaded. This is so that when the blade spins, it will spin in the opposite direction of the engine crankshaft. Be sure to have the right tools on hand, and the right safety measure in place, and this will be one of the easiest and most rewarding repairs done to the mower during its lifespan. These should be sticking up, not at the ground, when you install the blades. Therefore, lawnmower blade bolts are reversely threaded to avoid such accidents. If you can maintain the mower blade well, then you can change it after two or three years too. With a little bit of care, you can remove the blades quickly and safely. Scag has made this process quite a bit easier than many competing models, with a few simple tools and procedures required to effectively remove the old blades and insert the new ones over the course of about half an hour. 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. Scag engines are reliable and powerful, providing unparalleled performance for a variety of lawn and garden care needs. LawnMowerGuru.com, All Rights Reserved. The mower flap located in the base for your protection will break if you are pushing the mower in a backward direction. If there are no markings, check the blades bevel. Shop today! We have the Blades you need, with fast shipping and great prices! Are MTD lawn mower blades reverse thread? Firstly, you have to detach the mower from any power supply. I'll look for that flat on the spindle shaft, that would be a big help. Scag mower blades are one of the essential parts of the mower. Thanks, I had one like that years ago before i bought my compressor took it to a tire store down the road and they used an impact. The blades secured bolt must be turned counterclockwise or left, to be removed. Both yes and no. 72" Deck Blade. Therefore, between the blade and deck side, you can place a block, and it will not cause any loosening of the nuts. Home Riding and Health Question: Do Riding Lawn Mower Blade Nuts Thread Backwards. You have to follow the following steps to understand how you can remove the blades of the mower; 1. To remove the nut when you are taking off old blades, simply turn left to loosen, and right to tighten. Does a new lawn mower blade need to be sharpened? Again, it depends on how much you are using it for mowing. Enter a Melbet promo code and get a generous bonus, An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. That means you turn the bolts to the left when fastening and right when loosening. If you are in need of Bulk Scag Mower Blades please contact us for a special price. $33.98. Therefore, the blades can get bent or damaged due to these pebbles. 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. Sharpening the blades will also help them last longer. (https://www.youtube.com/watch?v=8nXJDdzoOSM), happening then stop your mower immediately and check the blade. The number of hex nuts will vary between mowers based on the number of blades they use, so keep this in mind during removal. Most blades have the word bottom stamped on them, or they have a model number imprinted onto the underside. Remove the c-clamp or Blade Buddy and lower the mower back to the floor. The blades on many brands of walk-behind mowers rotate to the right, the clockwise direction, when you are mowing. The blade ends are sharp and can cause injury. Sail height. 61" Deck Blade. Check out "gators blades". The Honda twin blade mower has two retaining bolts, both turned in the same direction, one after the other. ), Disadvantages of Mulching Grass (Best Way to Mulch). Dig up that product manual if you want a more clear-cut answer. and walk-behind mowers. Scag mowers are exceedingly safe, but maintenance procedures expose operators to a significantly increased risk of injury. However we may have to block the blade from turning in order to break the bolt loose. $32.88. Observing this direction will help you determine if your mower blade bolts are reverse threaded or not. 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 . Tip to tip tracking. The bend in mulching blades also must point away from the ground. Just put impact on bottom and it should break free. When you buy through links on our site, we may earn an affiliate commission. Again, the gas tank should be empty. Feed the bolt through the spindle assembly and then tighten each hex nut onto its corresponding hex bolt with an impact wrench. Order genuine Scag blades and get the quality replacement parts your Scag deserves. Moreover, the sharpness of the blade also retains with this process. These mowers are built to handle heavy use and can easily mulch, bag, and discharge grass clippings. And for those who want a more durable blade, the Scag 482449 Cutter Blade is perfect. I doubt a used scag wb would be reverse threaded BUT the new cougars are. How do you remove a lawn mower blade without removing the deck? This can usually be done by simply loosening a few bolts and sliding the belt off. If the bolt is threaded in the wrong direction, the lawnmower blades may potentially become stuck. I agree with mower babe. While mowing the lawn, threading is the major part that needs to be functioning properly. Most models utilize a blade clamp system, which allows you to quickly and easily remove and install the blades. You could also take it to dealer and have themn loosen it. Yes, most mower blades are reverse threaded. Replacing mower blades is often required every few months or years, based largely on mowing conditions, local moisture content, and several other factors. Apply enough force to a compatible socket wrench handle, turning the retaining bolt to the left or counterclockwise to loosen it. The mower is ready to go. N.E. Their threads wrap around the shaft from the bottom, pitching upwards to the right. Threads, defined as the continuous spiral ridges on the bolt, move from the bottom, pitching towards the left in reverse threads. Take off the spark plug wire from the plug to prevent the mower from abruptly starting when moving the blade. For fine grass, cutting a sharp blade of the mower is necessary. Next, push the bolt through the Scag mowers spindle assembly. Instead, the nuts in the lawn mower are reversely threaded. I am not sure about scag but that is how exmarks are. 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 . What happens if mower blades are upside down? i couldnt get mine off by hand either. Can you put a lawn mower blade on backwards? Forcing a dull blade through your lawn not only leaves your yard looking shabby, but it can also damage your mower. Use the impact gun on the nut , not the bolt. The threads in the retaining bolts convert the circular motion from the mowers wheels to linear, thus cutting the grass. Which way do you loosen a nut on a lawn mower blade? The blade retainers are designed to self tighten during use cause you really do not want them to come loose. Scag 482879SU 3 Pack Mower Blade. Tip the lawnmower on the side including the air cleaner turned up and obstruct the blades with a bit of timber to make sure it cant just turn before undoing the blade.