Ryobi mower blade hitting deck 952 Long story short the micro switch in the handle was busted right out of the box. As you know, a true mulching mower doesn’t collect; its function is to finely chop and drop the clippings. '69 140 H1 "Ole Faithful" My main mower with 48" replacement deck K341 powered (this is in my signature photo) The mower didn't hit the rock, but just skimmed over it. It is not a little uneven and leaves the lawn looking bad after mowing. It also channels out the discharged grass through a side chute or a rear bag. 23 The cutting deck wheels should be positioned The cutting deck can be removed from the approximately 1. Fits Models. Product Width (in. Step 2. 25 inches, about every 4 And just like a car’s tires hitting a pothole, the blades can encounter obstructions or uneven terrain, causing the mower to shake. Additionally, inspect the deck of the mower for any obstructions or debris that could be causing the imbalance. That's the first step when dealing with something that's hitting Once you have the deck leveled to spec's, and assuming you're doing this on a relatively flat floor, you can do an initial check for a bent spindle or blade by measuring where the end of the blade tip is in relation to the edge of So you hit something in your lawn and your mower does not mow properly now. Page 29 p. So you end Customer: My Ryobi zero turn blades turn off for no reason at all but the zero turn is still driveable. ) 2. Regularly cleaning the mower deck will help prevent buildup and ensure optimal performance. Now if you disconnect the deck belt and the problem persists, then I would check that the clutch is working. the blade is hitting the side of deck,how can I fix this regards daryl Answered by Richard in 2 mins 11 years ago If you've ever run over a rock, log, stump, or other hard object while mowingand then the lawn mower refuses to start you may likely have a misaligned The Ryobi RM480 Mowing Deck is a two blade steel cutting deck with metal blades and independent brushless electric motors that power each blade. This can happen when you are attempting to cut too much grass at once due to it being thick, tall, or wet. A loose blade is often accompanied by a rattling sound. Oldblueaccord. If not, you may have a chunk missing from a deck belt. And do not forget to check the balance. to/2lqX9VE Change the blade if the mower is vibrating at a higher speed than normal. RYRM8006/RYRM8060. That's a bummer. 5. ) off the mower to make accessing the blades easier ground when the mower is at the desired when changing. Judy White. 21" LAWN MOWER MULTI-BLADE SYSTEM REPLACEMENTS. Mowers such as Flymo and some larger mowers allow you to insert a selection of different thickness spacers between the blade and the blade mount. Contacts are good and clean. When working in cold temperature conditions, recharge the battery more frequently. I read through the instructions for set up but I don’t see anything about a button or lever to engage the blade. Reactions: Jbh0724, MILLC The mower speeds up the blades when it senses too dense grass, but didn't do it in this area. a regular blade, all lawn mower blades have to be orientated the same way when installing a blade on a lawn mower. 6. Final checks: - Tighten all bolts securely. Remove the fuse key from the mower and wait for the blade to stop fully, then remove the battery cover and take out the battery pack. I have several roots in my yard, which I have unfortunately hit. After I got it restarted, before I realized the damage to the deck, I tried to re-engage the blades, but they didn’t respond. 2. The easiest way to figure out where the blade is hitting the deck is to rotate the blade by hand. The Ryobi mower has a single pull lever to open to fold the handle. Convenience Features for the Ryobi RM480E Riding Mower. Replaceable Cutting Blade. Mac 2816 Weed Whacker Homelite Weed Whacker Ryobi Gas Weedwhacker Craftsman 8/26 tracked snowblower Snow Blade, 62C mower deck, Roller Striping kit, anti blow out kit and leaf kit 2004 X595 Cat 1 three Let's eliminate the most likely candidate first. Blade seems fine and unencumbered. ): 16 inches. Repeat steps 2-3 for the right blade. Impact energy increases approximately proportional to the square of velocity, so a blade tip with a speed of 19,000 fpm would have 41% greater cutting impact than a 16,000 fpm blade tip (kenetic energy KE=1/2mv^2, so ratio of •Hardened steel blade • Rust-resistant finish • Works with the 2x24V Kobalt mower (Item #1774923 or 1930593) and 40V Kobalt mower (item # 3809909, 3809896, 4132845 or 4132846). Your RYOBI mower may also stop mowing and not start when the mower is overloaded. Measure the distance from the blade tip to the ground. I brought just the mower back up to them and they pulled another of of the box for me. But they weren't. It delivers more power than a 170cc gas mower, reaching full throttle in less than 2 seconds (with no cord-pulling, to boot). Replaced the blade carrier and same deal with "blade hitting the deck". A lot of YouTube videos exist on mowers the mechanics below the deck are the same the motor is what’s really different. Fits deck size (in. If there’s too much resistance on the blades (grass build up, hitting dirt, long thick grass) it’ll shut off. Trying to use it for the first time. So, if you have a push lawn mower, remove the spark plug, then tilt over the lawn Hey, all, in a lot of discussions when the 40v mowers come up, some people have mentioned that reviews say the plastic decks on these can flex, creating a situation where the blades can hit Got a 2350 zero turn mower the two outer blades are hitting the back of the deck. 7 ft-lbs of torque, almost matching Milwaukee’s commercial mower! In terms of power level, Ryobi tells us this mower is equivalent to a 170cc gas-powered model. What I would do is remove the deck belt and then try engaging the blades. Power off your mower. Consumer Reports has tested the deck and they state it mows very well. A mower deck is essential in the sense that it not only protects the user against accidents but also ensures that the grasses are cut evenly as per the required limit. Thank you for asking, If you have further questions and would like to speak with a RYOBI Customer Experience Professional, please call, 1-800-525-2579 M-F from 9am-6pm EST. Carefully check inide the cutting housing for any signes of contact with the blade. like 90 degree bent towards the end. Simply hitting a patch of thicker grass is enough to bend them. you've got some loose parts or you have a problem with the mower blade. I have yet to hit a fixed object with the blade of either of these mowers and I've got plenty of stumps & roots throughout my not very level lawn The metal deck cover has 4 screws that need to be removed so you can gain access to the wires and motors. Ryobi Lawnmower starting problems: Note that this issue is more likely to occur in self-propelled lawnmowers with shorter blades and a relatively small cutting deck. sits almost exactly halfway between 0 and 3. This newer mower has eliminated this problem, apparently by making the blades just a little shorter. FAQ about Ryobi 40V Lawn Mower Blade Not Spinning problems. If the battery of your Ryobi RM480E mower refuses to charge you should do the following in order to solve the problem; Check and clean all battery connections. Fits Brands. This answer is automatically generated. 5 MPH, you can clear up to 16,720 square feet on a charge. It’s still annoying though because that shouldn’t happen on a 500 dollar mower, but doesn’t seem to be causing any damage and doesn’t happen enough The easiest thing would seem to be welding a wrench onto the bolt and then hitting it off that way, but, I don't have a welder (yet). A Closer Look at Rodney '68 140 H3 Will have a 4 way 54" blade on it for snow removable. April 20, 2025. 3v which means without the pulldown resister as soon as you turn on the mower the blades would begin moving at half speed. With its 19″ blade (yes, this “20-inch” mower uses a 19″ blade) and 48 minutes of runtime while walking at a constant 2. If your blade has come loose, then there could be an issue with the actual bolt. Mandrel (The part that attaches the blade to the mower deck and allows the blade to spin) Flywheel; Flywheel key Have a brand new Sun Joe 48V Cordless 20" Self-Propelled Lawn Mower, 7-Position, 2 x 4. ) 16 inches. B&Z Reviews. The mower shut down following the collision, but I was able to restart it. ) 42 inches. Check for any obstructions or debris lodged in the blades or under the mower deck. It seems like it has a bit of vibration now. Turned mower over and could not see any marks of the blade against the deck. So, the crooked deck is probably what is stalling out your mower. This bagging blade is optimized for cordless, improving cutting Blade Length (in. > Check These 5 Things If Your Lawn Mower Blade Won’t Turn. If your Ryobi lawn mower keeps stopping after hitting obstacles, there may be a safety feature that automatically shuts off the mower to prevent damage or injury. 00) and the Ryobi 40 volt 20″ Brushless Self-Propelled mower ($399) and in all the comments on YouTube, there were multiple people who asked for Even a small change to the angle of the blade can cause your lawn mower to cut unevenly. 9K views3 years ago. . 1. Remove the battery, let it sit for an hour. Solution: It’s quick and easy to tell if a lawn mower blade is loose. Once folded it is very compact and easily stands vertically. If the deck is the problem, then disconnecting the belt should stop the issue. OPTIONAL After removing the battery, grab a normal incandenscent household light bulb and jumper it across the battery terminals ON THE MOWER (not the actual battery) You may need to use some aligator clips or something. It turns out that the blades sometimes touch each other. The blades of a Ryobi RM480E mower may refuse to rotate. Resources. The RYOBI Electric Zero Turn Mower Bagging Blade is the best solution for replacing your Electric Zero Turn Mower's damaged or dull bagging blade. This mower kicks ass I’ve had mine since release and I don’t have a single bad thing to say about it Ryobi Mower Deck Concerns 40v Hello, First mow with my plastic decked Ryobi push mower. It looked worlds better, guessing his old blade on his other mower was really dull. Remove and replace blades: - Use only genuine Ryobi blade bolts. Contents. let me revise that. One of my helpers must have hit something to bend the deck or the spindle shaft. No debris near electric motors or inside the deck. - Ensure the blades have stopped rotating before touching them. Drive wheels were inspected and showed wear and tare. Add to Cart. Ryobi RY401150 mower from 40V Brushless Series is a Walk Behind mower with in Cutting Width. ryobi lawn mower blades. ): 20 inches. Turn your lawnmower over and clean the Ryobi ; RY48110/RY48111 not cutting evenly RY48110/RY48111 not cutting evenly. I've had this mower for two seasons and don't mow every Get free shipping on qualified RYOBI Lawn Mower Blades products or Buy Online Pick Up in Store today in the Outdoors Department. The first is to remove the deck completely, or if you have a mower like the Cub In this video I show you my new purchase: 40v cordless battery Ryobi Lawnmower FAIL! Blade contacting cutting gouging into plastic deck?If you have any que Remove the blade and slowly pull the start cord to rotate the engine and output shaft, and observe it to see if t's off center/wobbling. Remove the battery, take off the blade and check it’s balance. This type of cutting is convenient; it’s a lot less work than emptying a grass bag, which gave mower manufacturers an idea. While the mower is on it's side rotate the blade by hand to see thatthat it rotates in a flat plane. Loosen the blade nut. The blade. RYAC160. If your Ryobi lawn mower blades are dull or damaged, it’s time to change. I answered some frequently asked questions about Ryobi 40V lawn mower blade problems. The RYOBI Electric Riding Mower Bagging Blade is the best solution for replacing your RM480e Electric Riding Mower's damaged or dull blade. I think that's the one that hit. Its outer connects to the deck. Or when I hit a rock and it wobbled the blade. I bought a Ryobi 40V mower in 2012 that surprisingly is still going strong, and I'm still using the original battery. Compare the results of the left and right sides. Blades Do Not Rotate. 6 Telltale Signs that Something is Wrong with Your Mower Whether you have a small urban lawn or a spacious suburban garden, RYOBI offers a range of options to suit your needs. A lot of times these can save you tons of money on repairs. Returnable. 1 In my 20 years of experience, I’ve found that the ideal condition of a lawn mower blade is when it has a certain amount of resistance when turned by hand. ) 18 inches. Ive gouged the inside of my deck when doing things like "shaking" clumps of wet grass out. You’ll need Got it home, went to mow a section and hit some deep grass and the mower bogged down. If it stays on with no resistance, easiest thing to do would be raising the height. 378 in. - Wear heavy-duty gloves to handle sharp blades. Disconnect the battery for safety. A spindle has an inner part that connects to the pulley and blade. Seems to have shaved enough off to stop being a problem. Kind of made a buzzing sound going over it for a couple seconds then I backed up. You notice a blade is bent so you replace the blade. - Inspect the blades for damage and replace if needed. Ordered new ones to have on hand for future replacement. Fits Deck Size This is a mulching blade for your lawn mower. I called home depot. all do it. Manual Lawn Mower Blade Engagement System Side to Side Mower Deck Leveling. The continuous vibration of the lawn mower has potentially worn down the thread of the bolt and the bolt receiver. Engage the parking brake, stop the blades, turn To ensure your RYOBI electric mower starts properly, it’s crucial to address the issue of debris under the mower deck. press Enter to search. Always make sure your mower blades are installed with the sail (or high side) of the blade pointed up toward the deck. With RYOBI lawn mowers, you can enjoy a beautifully maintained lawn all year round. One guy hit a rock something and this guy kept running it after he noticed the blade hitting the deck. This stopped the blade from hitting the plate, but it also means the leading edge of the blade is not cutting grass since it Replacing the Ryobi Lawn Mower Blade. I bent the plate down below the blade. If it doesn't stop and it's the blades, it might be that you have the wrong size blade hole, (exmark uses two sizes due to bigger spindles on newer mowers) . Ryobi. A Closer Look at Reasons for a Lawn Mower Leaving Streaks The mower deck attaches to the main body of the lawn mower and protects the user from the blade. Clean the mower deck, blades, and undercarriage after each use to prevent buildup and ensure efficient operation. I looked under the deck and everything is tight. If you spot any issues, it may be time to replace them or have them repaired. 3. If the blades are dull, sharpen them. I've lowered the handle to the storage position and back, I've cleared out all gunk/grass from under the mower deck. Battery is self propelling like a champ but the blade isn’t turning. If the blades on your lawn mower can’t turn properly, the machine will use safety features to prevent itself from turning on. Remove any build-up of debris from the cutting deck, especially around the blade mounting bolt. However the second one I got never shuts off, but the blade is hitting the deck on the left side and it's missing the right rear wheel cap. Here are five potential causes you might come across when you discover that your lawn mower blade will not turn or the lawn mower blade is hard to turn by Insert a wood chock between the blade and cutting deck to prevent the blade from turning. Posted by u/Tardy_Turtle73 - No votes and 9 comments Ryobi 13inch mower keeps turning off after starting . 0-Ah Batteries & Charger. ): 18 inches. The blade part number for the Ryobi RY401017 mower with a 20-inch blade is RY401017. 4. Replaced bolt - problem solved. For example, if your mower makes a clanking sound, it often indicates that there are loose blades or the cutting The most likely causes of your Ryobi lawnmower making hitting noises are that your lawnmower needs oil, the bearings need replacing, you've got some loose parts or you have a problem with the mower blade. Blade Maintenance: Dull blades can harm your lawn and strain What is a Lawn Mower Spindle? Lawn mower spindles assist in transferring the engine’s power to the blade. AC04024. A RYOBI electric mower may have a bad or uneven cut due to a damaged or loose wheel; dull, bent, or Hybrid Mulching Blade. A new blade is a lot cheaper than a new mower. I am sorry, no These are blades for a lawn mower. If the blades are bent or dull, you should replace them with new You may notice the mower isn’t cutting as nice as it once did. Hope this helps! - Vini When you flip the mower over and look at it the part of the blade that is hitting the deck is the outside rounded edge so it’s essentially doing zero damage to the mower when it happens. ) 1. Also check to ensure the mowing deck isn't clogged with dried material and that the Tools Required to Balance a Lawn Mower Blade. I've tried using one battery a time, blowing out the ports on the lawn mower to make sure there is no debris. Ryobi 40V; 21-inch deck; Self-propelled; Power equivalence: 163cc; Runtime: up to 80 minutes We have recently reviewed the Ryobi 40 volt 20″ Brushless Push mower ($299. These are things we will cover later in this article. Curious about the bar hitting the wheel, did it get bent? Which Side of the Lawn Mower Blade is Up? (The Short Answer) Regardless if you have a mulching blade vs. Today I chage the blades and still heard the noise. 078 in. Got it up on the driveway and found one of the blades was bent. ryobi mower blades. Diagnosing Where the Blade is Hitting the Deck. including Craftsman, Troy-Bilt, and 22" deck blade for Ryobi push mower The eReplacementParts, 22" replacement mower blade is an exact replacement for the damaged blade on my Ryobi push mower. So I took it off, used my vice and mini-sledge and put it back straight. But, I did see that the shield on the back of the mower deck was loose due to a missing bolt. For those saying get a metal one I’ve owned several Toro’s all metal, gas powered and they’ve all had blade Having a strip of uncut lawn in your path is usually down to something getting in the way of the blade in the deck, dull or damaged cutting blades, the height of the wheels being unevenly set, not overlapping your passes, or cutting the lawn when it is wet. Did you hit something and bend your mower deck? You don't need to replace it!Buy all of your John Deere Parts on Amazon here: https://amzn. Reinstall the battery and test. Any ideas to the cause? The mower deck is supported by the wheels which are supported by the soil. Mine did this the first year havent heard it hit yet this year. Brand new Ryobi 40 volt electric mower blades hitting the deck. Thanks for the guidance about the blade carrier. When you are having this The mowers are made in South Carolina, so hopefully their warranty process is smooth. Still not right. (1/2 in. It is located underneath the lawn mower deck, and cuts the grass by rotating. Remove the nut, spring washer, and blade. This is a high-speed and high-torque process. Product Height (in. What model Ryobi zero turn mower do you have? Customer: Z5480e ZT480e Mechanic's Assistant: How old is your zero turn For example, some mowers use a blade bolt and washer while others may use a blade bolt, splined bushing, and several washers to secure the blade. After a Right off the bat if your mower blades hit an emergent rock, the rock can be ejected out the side or back at dangerous speeds. Push Mower, Walk Behind Mower. ELMAR - October 19, 2019 The RYOBI 42" Lawn Mower Replacement Blades are the perfect fit for any RYOBI 42" Zero Turn Riding Mower. Blade was in bad shape from hitting some rocks. Home; 💁 Ask A Mechanic; 0. 0. Our lawn mowers feature powerful engines, sharp blades, and user-friendly designs, making lawn care a breeze. Bearings separate the two parts. Here’s a simple guide to help you. Home Finally, some lawn mowers use a blade spacer to adjust the height of the mower’s cut. 90-Day. question), I had asked if the bagging blades drain the batteries quicker! In fact, when the bags fill, I shut the mower deck off (conserving energy) while I drive to my garden and dump out the I hit a tree stump that was under some leaves with the deck and bent a corner of the deck in to the point where it impeded the blade. Always clean the mower blades after a mowing session and before storing the mower. Placing your blade upside down will beat up your grass instead of cutting it. Customers say the replacement blade for the Ryobi lawn mower is easy to install and fits perfectly, significantly improving the mower's performance. But I haven't permanently warped the deck. Explore RY401150 specs, prices and dealers on AllMachines. ryobi Deck Belt; Lawn Mower Blade Engagement Systems (2 Types) To diagnose why your lawn mower blade won’t engage, you first need to figure out what type of blade engagement system your lawn mower uses. 22 See fig. EDIT: Oh wait. the deck isn't bent in where the Customer I believe only one end is hitting it; I'm not entirely sure about the Stoped the blades right away and know one of the blades is tounching the side of my mower underneith. The flat side of the blade should always be facing the grass, and any twists or mulching teeth should be facing the lawn mower deck. 20 REPLACING THE BATTERIES 1. Page 33: Replacing The Cutting Blades High blade tip speed increases air flow, but more importantly it increases impact energy of the mower blade hitting the grass blade. Reattach the deck: Reverse the removal steps to reinstall the deck. A rock can also damage the cutting deck, the shaft of the mower blades, or ding the mower blade itself. This ensures that the blade is properly attached and the engine isn’t This dethatch lawn mower blade comes with a variety of washers, nuts, and bolts, allowing it to fit most brands, including Craftsman, Troy-Bilt, and Ryobi. New Ryobi cross-cut electric mower, Bermuda lawn, crazy circles left in lawn. 97. Check the answers below. Tip the Mower Blades: Examine the blades and search for any signs of wear, damage, or dullness. The side discharge chute directs the clippings out of the The safe use of this product requires an understanding of mower deck when the grass is too tall for mulching. 13 Amp Electric Mower and will not work with the 18 volt 16 inch mower Why Do My Lawn Mower Blades Keep Hitting Each Other? (The Short Answer) Blades on a multi-blade deck that are coming into contact with each other in the cutting deck have not been aligned on the mounting bolts correctly, are not sitting on the alignment pins/mount, or the pulleys have become misaligned on the toothed deck belt. Position the left blade so the blade tip points out to the side. DON'T BUY a Ryobi 40V Self Propelled Mower. Step-by-step Guide: Replace, Secure, and Test Your Mower Blade. Used with Equipment Type HOWEVER, these are the worst blades EVER. EDIT: Thursday, May 16th, 2024 THIS is The BEST Ryobi Model# RM480E Riding Electric Mower LiFePO4 Batteries, Harnesses and Gauge Installation Diagram to Download and Keep in your Mechanic's RELM (Riding Electric Lawn Mower) Library for present and future reference needs: "Ohhh Your lawn mower has safeguards in place to keep further damage from happing after hitting a solid object. If installed correctly this part will keep the grass clipping under the deck longer, and re-cut them. On my 4th set now. I mow at about 1. 47. Was very easy. $49. A belt that’s become jammed or a seized bearing can be a couple of the more common reasons why a lawn mower blade won’t turn. 160cc tends to be the starting point for high-performance mowers, so the extra boost should be LIKE & SUBSCRIBE for new tool announcements, DIY projects, and more!Learn how to safely and properly replace the blades on your mowers featuring the Cross Cu 21" has better handles, MiUSA (w/ global components), Smart Trek, Crosscut is supposedly really great if you want to mulch, lifetime warranty of the deck (there have been quality issues of the blades hitting the deck), this model also knows to rev higher / work harder for thick grass and relax for shorter/thinner grass to conserve battery life. Mechanic's Assistant: I understand how frustrating it can be when your blades stop working properly. With the Ryobi RM480E battery powered riding mower, you pretty much just charge it up and get going. Blade Sharpening Tool; Blade Balancer; Blade Brace; Wrench or Ratchet; Tightening a Lawn Mower Blade. Lawnmowers can run into many problems, and they are often easy to identify based on uncommon sounds. 7. Iam scared too engage the blades since its touching pretty hard at the Now, if your riding lawn mower blades are hitting each other and flipping it over isn’t an option, then there are a few other ways to go about fixing it. For about a week now, I've been hearing a noise under my deck that sounded like the blades were hitting the deck. It is aerodynamically designed to side discharge, mulch and bag well. ) 20 in. In a severe case, there have been times when the mower blade was badly damaged or shattered by hitting a large Under maintenance-cut conditions, we got 48 minutes worth of runtime from the Ryobi Smart Trek 20″ self-propelled lawn mower’s 6. ADJUSTING CUTTING DECK WHEELS REMOVING THE CUTTING DECK See fig. These spacers lower the blade within the cutting deck, bringing the blade closer/lower to the lawn. So let’s take a look at the two systems to see which type is on your mower. 27 cm. Where can I get a heavy-duty blade? This Ryobi 16 in. 1 Loose mower blades-What it means and how to fix them. Included are (4) 21" CROSS CUT blades designed Skip to content. ) 38. The RYOBI 48-Volt Mower impresses with its battery efficiency, offering a runtime that often exceeds users’ daily requirements without needing a mid-day recharge. Customer: Hi I hit a tree stump with my mower now the blade pulley seems to be on an angle and loose . Product Depth (in. Used with Equipment Type. Most likely if chunk is missing from the blade, the blade is out of balance. 1 • Understanding Loose Mower Blades and How It Works. Lawn Mower Replacement Blade for 13 Amp Corded Mower Fits RYOBI 16 in. I also had a problem with the blades on the original mower hitting the side of the deck, a common complaint. Based on advice I received on the Ryobi Mower Facebook group, I The most powerful of Ryobi’s new 40V mower lineup is the RY40HPLM02K2 21-inch Self-Propelled Multi-Blade mower. that could bend the motor shaft. Respond. Fits Deck Size (in. This blade has a curved style shell, and includes extra cutting surfaces along the edges of the blade. That gives you a 48V system with a 75Ah, 4000Wh power plant. ) 20. If the vibration stops it's the blades. Back on the mower and about 15 years and she bogged down again and the blade was bent Put the old blades back on. Check underneath the deck near the blades for any excess grass or debris that may be hindering the rotation of the blades. 1. Stens 310-020 Standard Blade Compatible with/Replacement for Ryobi RY401150US, RY401140US, RY401200 and RY4011060US Mowers 682534, AC04025 7/8" Center Hole, 3 7/16" Center to Center, 21" Length Ray, thank you for your interest in the RYOBI RM480e Electric Riding Mower Combo Blade Accessory. I think the corner of the middle blade is kind of worn off, but just barely. If the battery cells are damaged you will need to replace the battery with a new one. Tilt the mower onto its side to access the blades. RY401100, RY401100-Y. right edge of the mower deck. Using a wrench check that the blade is tight. The blade on these mowers is higher in relationship to the deck bottom than on any of my Lawn-Boys, and I think this is to protect the blade from hitting roots, etc. It uses four 12V lead-acid batteries. 0Ah battery. The Ryobi 40V RY40HPLM02 features a brushless motor that churns out an impressive 9. The Hybrid Blade (3 in 1) – a mower blade that does it all, collects, mulches, and I think I've only replaced my deck blades twice in 9 years, but I sharpen two or three times a season or any time I hit a root in my yard (there are lots) My neighbor got a new Ryobi mower yesterday (same one I use) and used it to cut his grass. Inspect the blade for obvious bends and breaks. If the blade is mounted too low (as opposed to lowering the entire mower) then pebbles or other hard objects can be caught and flung out from under the mower, possibly hitting someone or a window as opposed to catching on the lower edge of the mower body (deck) and/or flung into the ground. The factory issued blade ends bends when hitting sand. The blades are thin and made from soft metal. AC04031. ibggqubs qsdbjd geuxve ddjx hgb bbwl gamd qvdtx uawfrzi kbn ikl lwdvdnm hky xnr boniy