Replace a Toro Walk Behind Lawn Mower Blade – Using Toro Parts Blade 131-4547-03

There are a number of different walk behind lawn mowers, but every mower has one thing in common: their essential function is to cut your grass. The blade underneath your mower achieves that goal and should be cared for as much as the mower itself. A tip to make you aware of and maintain your mower blade’s condition is to observe your lawn. When mowing check your lawn for unevenness; a sharp lawn mower blade cuts your grass at an even height with one pass of the mower. Dull blades trim grass unevenly and leave the tips of your grass torn and not cleanly-sliced. A sharp blade eliminates many lawn issues. If you learn to be more mindful of your lawn, you will become more mindful of your mower blade’s ability to effectively cut the lawn. Click here to view the signs that it’s time to replace your lawn mower blade.

The experts are here to help. Follow this guide and you’ll be back behind your Toro walk behind lawn mower in a few minutes. Here’s how to replace a Toro walk behind lawn mower blade, using Toro parts blade 131-4547-03.

Before replacing or repairing anything on your mower, please follow these safety precautions: shut off the lawn mower engine and allow it to cool, disconnect the spark plug wire to prevent accidental starting and tuck it out of the way so the wire doesn’t make contact with the spark plug.

To carry out this task, you’ll need these tools: Toro Parts Blade 131-4547-03, breaker bar, torque wrench, scraper, 16 millimeter socket, and a piece of wood.

To replace a Toro walk behind lawn mower blade, using Toro parts blade 131-4547-03, tip the mower over but keep the air filter side up to prevent the oil from going into the air filter and carburetor , which will prevent the mower from running when you tip it back over.

To remove the bolt off the bottom of the blade, wedge your block of wood between the mowing deck and the blade itself to stop the mowing blade while you loosen and remove the bolt. Once the block is firmly in position, connect your breaker bar and 16 mm socket; place them on the bolt and twist to loosen.

Remove the block of wood once the bolt begins to loosen. Set aside your breaker bar and socket, and use your hand to continue twisting the bolt loose. When you’re able to remove the bolt, inspect it for any type of galling and to ensure that the bolt hasn’t been stripped out. If your bolt is worn or damaged, you’ll need to purchase a new Toro Washer-Stepped 614426 before putting it back on the mower.

Now that the bolt has been removed, you may remove the blade adapter and the blade itself from the mower. Before installing the new blade use your scraper to scrape out any type of debris from the mowing deck that can cause the mower not to recycle correctly. Once the deck is cleared, you may install the new lawn mower blade.

Before inserting the blade make sure the wing side of the blade is up towards the mowing deck because that’s what gives the blade its lift to lift the grass. Reinstall the blade adapter and bolt. Place the blade, adapter and bolt on the mower, and use your hand to tighten the bolt. Using any tools will cause the bolt to strip out or cross thread. Reinstall the bolt finger tight and prepare to use your torque wrench to torque the blade back down.

Lastly, place the block of wood between the blade and mowing deck again, to block the blade so you’re able to torque it down. On this mower, Toro recommends 60 foot pounds to properly torque down the blade bolt so make sure your torque wrench is set to 60 ft pounds. Torque down the bolt until the torque wrench clicks; the wrench should click at 60 ft pounds.

Remove the block of wood, and tip your Toro walk behind lawn mower back on its wheels. Reinstall the spark plug wire, then start the mower and check for proper operation.

There will come a time when you will need to replace the blade on your Toro walk behind lawn mower. At that time, with the help of this guide, you’ll know exactly what to do and be able to avoid going days without your lawn mower. While replacing your Toro walk behind lawn mower blade using Toro parts blade 131-4547-03 is a seemingly simple task, if you are uncomfortable repairing the mower yourself, bring it to us and we’ll perform the speedy repair.

The Toro Parts Blade 131-4547-03 is used on 19 Toro mowers. Check the list to find yours. Click to view the entire assembly drawing.

20332, 22in Recycler Lawn Mower, 2016 (SN 316000001-316044999), 20332, 22in Recycler Lawn Mower, 2016 (SN 316045000-316999999)
20333, 22in Recycler Lawn Mower, 2016 (SN 316000001-316999999)
20334, 22in Recycler Lawn Mower, 2016 (SN 316000001-316999999)
20337, 22in Recycler Lawn Mower, 2016 (SN 316000001-316999999)
20339, 22in Recycler Lawn Mower with SmartStow, 2015 (SN 315000001-315999999), 20339, 22in Recycler Lawn Mower with SmartStow, 2016 (SN 316000001-316999999)
20339C, 22in Recycler Lawn Mower with SmartStow, 2015 (SN 315000001-315999999)
20340, 22in Recycler Lawn Mower with SmartStow, 2016 (SN 316000001-316999999)
20353, 22in Recycler Lawn Mower, 2016 (SN 316000001-316003328), 20353, 22in Recycler Lawn Mower, 2016 (SN 316003329-316999999)
20370, 22in Recycler Lawn Mower, 2015 (SN 315000001-315999999), 20370, 22in Recycler Lawn Mower, 2016 (SN 316000001-316999999)
20371, 22in Recycler Lawn Mower, 2016 (SN 316000001-316999999)
20372, 22in Recycler Lawn Mower, 2016 (SN 316000001-316999999)
20373, 22in Recycler Lawn Mower, 2016 (SN 316000001-316999999)
20374, 22in Recycler Lawn Mower, 2016 (SN 316000001-316999999)
20377, 22in Recycler Lawn Mower, 2015 (SN 315000001-315999999), 20377, 22in Recycler Lawn Mower, 2016 (SN 316000001-316999999)

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Why Weingartz?

Weingartz, family owned and operated, began in 1945 as a farm supply store for local Michigan families. In the 1970s, we began to focus exclusively on outdoor power equipment. Over time, we morphed into the “power equipment superstore” that now defines all of our locations. The staff and experts at Weingartz work diligently to provide the best service possible and give honest and helpful advice to each and every customer.

Our inventory of Toro lawn mower parts is one of the widest in the industry, which allows us to offer quick response times and provide real images of many Toro parts to help you confidently make your selections. You can easily find replacement parts for your all your Toro equipment on our website or in our stores.

We ship all in-stock Toro lawn mower parts ordered by 4:00 p.m. EST the same day! Search Weingartz for diagrams, our Toro lawn mower parts catalog, and quick reference guides. We hope that you find our site useful and our customer service friendly and responsive to your Toro lawn mower parts needs. If there is anything we can do to enhance your experience or provide additional Toro parts support, please contact us and let us know. We appreciate any feedback and use it to continuously improve our business practices and the quality of our customer service.

Weingartz also sells parts for outdoor power equipment at https://weingartz.com/parts-lookup.

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