6 Easy Steps to Replace Riding Lawn Mower Blades

Riding lawn mower with blades exposed

Sustaining your using garden mower is important for maintaining your garden wanting its finest. One necessary a part of this upkeep is commonly altering the mower blades. Sharp blades lower the grass cleanly, stopping ragged edges and selling wholesome progress. Boring or broken blades can tear the grass, leaving it extra vulnerable to illness and pests.

Altering the blades in your using garden mower is a comparatively easy activity that may be completed in a couple of minutes. Nonetheless, you will need to take security precautions and to observe the producer’s directions rigorously. On this article, we are going to present step-by-step directions on find out how to change the blades in your using garden mower. Moreover, we are going to present some recommendations on find out how to preserve your mower blades sharp and in good situation.

Earlier than you start, you will need to collect the required instruments and supplies. You have to a brand new set of mower blades, a wrench, and a socket set. You may additionally need to put on gloves to guard your fingers. Upon getting gathered your instruments and supplies, you’re prepared to start altering the blades in your using garden mower.

Security Precautions

Engaged on a using garden mower requires warning and meticulous consideration to security protocols. Failure to stick to those precautions can result in severe accidents and even fatalities. Earlier than trying any upkeep or repairs, it’s crucial to take the next measures:

1. Disconnect the Spark Plug:

That is probably the most essential security step to forestall unintentional beginning of the mower when you are working. Find the spark plug on the engine and disconnect the wire resulting in it. Ensure the wire is securely out of the way in which to forestall any unintentional contact.

Security Precaution Motive
Put on Security Gear Shield your self from flying particles and potential cuts or abrasions.
Learn the Proprietor’s Handbook Guarantee correct understanding of upkeep procedures.
Examine the Mower Test for any injury or free elements which will have an effect on security.

Gathering Needed Instruments

Earlier than tackling the duty of adjusting your using garden mower blades, it is essential to assemble the required instruments. These embody:

Wrench or Socket Set

You will want a wrench or socket set to take away and tighten the nuts that safe the blades to the mower deck. Select one with an acceptable dimension for the bolts in your mower.

New Blades

Change uninteresting or broken blades with new ones that match your mower’s make and mannequin. Examine the previous blades rigorously to find out if you should change each or only one.

Mulching Package (Elective)

In case you’re changing your mower right into a mulching mower, you may want a mulching equipment that consists of mulching blades and a mulch plug. This equipment permits the lower grass to be finely chopped and evenly distributed over the garden.

Security Gear

For security, put on gloves to guard your fingers from sharp edges and eye safety to protect towards flying particles. Moreover, disconnect the spark plug wire to forestall the mower from beginning unintentionally.

Further Instruments

In some instances, you may also want a blade wrench, a torque wrench, or a hammer and chisel to take away cussed bolts. Having these extra instruments readily available will make sure you’re ready for any challenges you encounter through the blade-changing course of.

Find the Blade Bolts

To find the blade bolts in your using garden mower, you may want to start out by disengaging the blade and parking the mower on a steady and degree floor. As soon as the mower is safe, have interaction the parking brake to forestall it from transferring.

Subsequent, tilt the mower deck into the service place. It will differ relying on the make and mannequin of your mower, however sometimes includes pulling a lever or releasing a latch situated close to the entrance of the mower deck. As soon as the deck is tilted, you’ll entry the underside of the mower deck and find the blade bolts.

The blade bolts are sometimes situated close to the middle of the blade, they usually could also be coated by a protecting defend or guard. Take away the guard or defend to show the blade bolts. The blade bolts could also be both hex bolts or carriage bolts, and they’re going to sometimes be 5/8 inch or 3/4 inch in diameter. Use the suitable wrench or socket to loosen the blade bolts. Watch out to not overtighten the blade bolts once you reinstall them, as this may injury the blade or the mower deck.

Safe the Mower Deck

Earlier than beginning any repairs or upkeep, it is essential to safe the mower deck to forestall it from falling and injuring you or others.

Step 1: Park the Mower on a Degree Floor

Park the mower on a flat, steady floor and have interaction the parking brake.

Step 2: Find the Deck Help Pins

Beneath the mower deck, find the deck help pins or brackets. These pins are sometimes situated on the entrance and rear of the deck.

Step 3: Insert the Help Pins

Insert the help pins into the corresponding holes on the mower’s body. Guarantee they’re totally inserted and safe.

Step 4: Jack Up the Deck

If the help pins usually are not enough to offer satisfactory clearance, use a jack to boost the deck barely. Place the jack underneath the middle of the deck and pump it till it lifts the deck off the bottom by just a few inches.

Step 5: Use Security Stands

For added security, place security stands underneath the lifted deck to help it and stop unintentional falls. Security stands are sometimes made from wooden or steel and could be bought at most {hardware} shops.

Step 6: Safe the Stands

Regulate the security stands to make sure they’re steady and positioned appropriately to help the burden of the deck.

Take away the Spark Plug

Security First

Earlier than you begin any work in your using garden mower, it is essential to take security precautions. Disconnecting the spark plug prevents the engine from beginning unintentionally when you’re engaged on it.

Finding the Spark Plug

The spark plug is often located on prime of the engine, close to the cylinder head. It is sometimes coated by a rubber boot or cap.

Eradicating the Boot

Grasp the spark plug boot firmly and pull it straight as much as detach it from the plug. Watch out to not injury the boot or wire.

Unscrewing the Spark Plug

Utilizing a spark plug socket or wrench, flip the spark plug counterclockwise to loosen it. Take away the plug by hand as soon as it is free sufficient.

Inspecting the Spark Plug

Take a second to examine the spark plug. Test the electrodes for put on or injury. If the plug is excessively worn or broken, it needs to be changed.

Spark Plug Situation Motion
Electrodes are worn or broken Change the spark plug
Electrodes are clear and in good situation Reinstall the spark plug

Detach the Blade Bolts

Upon getting eliminated the spark plug wire, it is time to detach the blade bolts. Use the wrench or socket that got here along with your garden mower to loosen the bolts. Some fashions might have a number of bolts per blade, whereas others might solely have one. You’ll want to take away all the bolts earlier than trying to take away the blade.

When loosening the blade bolts, make sure to maintain the blade regular with one hand. It will stop the blade from spinning and doubtlessly inflicting harm. As soon as the bolts are free, rigorously take away them and set them apart in a protected place.

Bolt Dimension Frequent Mower Fashions
5/16 inch Craftsman, Husqvarna, Toro
3/8 inch John Deere, Cub Cadet, Simplicity
1/2 inch Husqvarna (giant fashions), Scag

Slide Out the Previous Blades

To securely take away the previous blades, observe these steps:

1. **Security First:**

Put on gloves and security glasses to guard your self from sharp blades.

2. **Park the Mower on a Degree Floor:**

Park the mower on a steady floor to forestall it from rolling whereas working.

3. **Have interaction the Parking Brake:**

Set the parking brake to safe the mower and stop it from transferring unintentionally.

4. **Find the Blade Bolts:**

Determine the bolts that maintain the blades in place. They’re sometimes situated on the underside of the deck.

5. **Loosen the Bolts:**

Use a socket wrench or crescent wrench to rigorously loosen the blade bolts. Keep away from overtightening or stripping the bolts.

6. **Take away the Blades:**

As soon as the bolts are free, slide the blades out from underneath the deck and take away them utterly.

7. **Examine the Blades:**

Look at the previous blades for any injury, corresponding to cracks, bends, or nicks. If the blades are worn or broken, they need to get replaced with new ones.

Blade Situation Motion
Minor Nicks or Bends Sharpen or flatten the blades
Main Harm Change the blades

Align and Set up the New Blades

Upon getting the brand new blades, it is time to align and set up them appropriately. Here is an in depth step-by-step information:

Step 1: Line up the Blades’ Mounting Holes

Align the mounting holes on the brand new blades with the holes on the blade spindle. Make sure the blades are positioned appropriately, often with the innovative dealing with outward.

Step 2: Insert the Blade Bolts

Insert the blade bolts by the mounting holes and hand-tighten them as a lot as doable.

Step 3: Tighten the Blade Bolts (Part 1)

Utilizing a torque wrench, tighten every blade bolt to the producer’s torque specs. Confer with the desk beneath for frequent torque values.

Blade Dimension (Inches) Torque (Pound-Ft)
17-19 30-35
20-22 35-40
23-25 40-45

Step 4: Flip the Blades 180 Levels

Rotate the blades 180 levels in order that the star-shaped holes align with the grooves on the underside of the deck.

Step 5: Insert the Mulching Plugs

Some mowers include mulching plugs which you can insert into the star-shaped holes to forestall grass clippings from being discharged from the facet.

Step 6: Tighten the Blade Bolts (Part 2)

Lastly, utilizing the torque wrench, totally tighten the blade bolts to the second torque specification supplied by the producer.

Step 7: Set up the Blade Washers

In case your mower makes use of blade washers, place them over the blade bolts and tighten the nuts securely.

Step 8: Reinstall the Deck

Rigorously carry the deck again onto the body and safe it with the bolts or pins. Make sure the drive belt is correctly aligned earlier than reinstalling the belt guard.

Tighten the Blade Bolts

9. Tighten the Blade Bolts Securely

The ultimate step is to tighten the blade bolts securely. Use a torque wrench to make sure they’re tightened to the producer’s specs, sometimes between 60 and 90 foot-pounds.

Utilizing a Torque Wrench:

a) Place the torque wrench onto the blade bolt.

b) Set the torque to the advisable setting.

c) Steadily apply strain till the wrench clicks, indicating the proper torque has been reached.

Warning:

Utilizing an incorrect torque can injury the bolts, blades, or mower deck. Overtightening can strip the threads or injury the blades, whereas undertightening may cause the blades to grow to be free and dangerous.

Ideas:

  • Use a pointy, clear blade for optimum slicing efficiency.
  • Examine all blades commonly for injury or put on.
  • Think about using anti-seize lubricant on the blade bolts to forestall corrosion and make future blade modifications simpler.

Reinstall the Spark Plug

Upon getting checked the hole and cleaned the spark plug, it is time to reinstall it. Rigorously thread the spark plug again into the cylinder head by hand till it’s finger-tight. Then, use a spark plug wrench to tighten the plug a further 1/4 to 1/2 flip. Watch out to not overtighten the spark plug, as this may injury the threads within the cylinder head.

Tightening Torque

The proper tightening torque for a spark plug varies relying on the make and mannequin of your using garden mower. Confer with your proprietor’s handbook for the precise torque worth. As a common rule, most spark plugs needs to be tightened to between 15 and 25 foot-pounds of torque.

Sorts of Spark Plug Wrenches

There are two principal sorts of spark plug wrenches: socket wrenches and T-handle wrenches. Socket wrenches are sometimes used with a ratchet or breaker bar, whereas T-handle wrenches are designed for use by hand. Each sorts of wrenches have their very own benefits and drawbacks. Socket wrenches are extra versatile, however T-handle wrenches are extra compact and simpler to make use of in tight areas.

Sort of Spark Plug Wrench Benefits Disadvantages
Socket Wrench -Versatile -Requires a ratchet or breaker bar
T-Deal with Wrench -Compact -Much less versatile

The best way to Change Using Garden Mower Blades

Altering the blades in your using garden mower is a crucial a part of sustaining your gear. Boring or broken blades could make it tough to mow your garden evenly and effectively. Fortunately, altering the blades is a comparatively easy and easy course of.

To get began, you will want just a few instruments. These embody a socket wrench or adjustable wrench, a pair of pliers, and a security glasses. You also needs to disconnect the spark plug wire from the spark plug earlier than starting any work on the mower.

Upon getting your instruments and have disconnected the spark plug wire, you’ll be able to start the method of adjusting the blades. First, find the deck of the mower. That is often a steel or plastic housing that encloses the blades.

Subsequent, discover the blade bolts. These are often situated on the highest of the deck. Use the socket wrench or adjustable wrench to loosen the bolts. Watch out to not overtighten the bolts when you find yourself reassembling the mower.

As soon as the bolts are free, you’ll be able to take away the previous blades. Watch out to not lower your self on the blades. If the blades are caught, you need to use a pair of pliers to rigorously pry them free.

Now that the previous blades are eliminated, you’ll be able to set up the brand new blades. Ensure that the brand new blades are dealing with the proper route. The blades needs to be put in with the innovative dealing with down.

As soon as the brand new blades are put in, you’ll be able to tighten the blade bolts. Once more, watch out to not overtighten the bolts. Join the spark plug wire to the spark plug and you’re completed.

Individuals Additionally Ask About The best way to Change Using Garden Mower Blades

How typically ought to I alter my using garden mower blades?

You must change the blades in your using garden mower each 25-50 hours of use. In case you mow your garden continuously, you might want to alter the blades extra typically.

What are the indicators that my using garden mower blades must be modified?

There are a number of indicators that your using garden mower blades must be modified. These embody:

  • The blades are uninteresting or broken.
  • The garden shouldn’t be being lower evenly.
  • The mower is making a wierd noise.
  • The mower shouldn’t be slicing in addition to it used to.

Can I alter the blades on my using garden mower myself?

Sure, you’ll be able to change the blades in your using garden mower your self. Nonetheless, you will need to observe the security directions rigorously. In case you are not snug altering the blades your self, you’ll be able to take the mower to a certified mechanic.