Full Answer
Is there a pulley in a lawnmower?
There are three basic styles of pulleys used on the typical lawn mower: sealed bearing pulleys, greaseable bearing type pulleys and bearing free pulleys. Each style of pulley is used for a specific purpose and all contribute to the overall operational soundness of the machine.
What is locking up the pulley of a lawn mower?
What Is Locking Up the Pulley of a Lawn Mower?
- Blade Obstructions. The recoil starter on a rotary mower connects directly to the engine crankshaft, and that connects directly to the blade.
- Hydro-Lock. If the blade is clear and in good condition, check the oil filter. ...
- Seized Engine. ...
- Recoil Starter Problems. ...
How do you remove a lawn mower pulley?
How to Get a Rusted Pulley Off a Lawn Mower Motor
- Set the riding lawn mower's parking brake, and place wooden blocks in front of and behind the rear tires to prevent the lawn mower from moving.
- Lay a plastic sheet or a drop cloth on the ground under the riding lawn mower. ...
- Spray a liberal amount of penetrating oil onto the front and back sides of the pulley hub until they are thoroughly soaked.
How do you tune a lawn mower?
Lawn Mower Tune Up
- Remove the Spark Plug. Every model has its spark plug located in a different place, so you should understand your model to locate it.
- Drain the Engine Oil. Check the manual to know the right method of draining the oil from the mower. ...
- The Filters. ...
- Change Your Spark. ...
- Remove and Sharpen the Blade. ...
- Wipe the Underside of Your Mower. ...
- Install the Blade. ...
What is a pulley on a lawn mower called?
Lawn mower mandrel pulley (also called a spindle pulley).
How do you fix a pulley on a lawn mower?
1:343:54Briggs & Stratton Lawn Mower Spring & Pulley Replacement #498144YouTubeStart of suggested clipEnd of suggested clipNow transfer the ratchet balls from the old pulley to the new. One position the friction plate andMoreNow transfer the ratchet balls from the old pulley to the new. One position the friction plate and tighten the bolt rotate the pulley counterclockwise approximately five times to tighten the spring.
Is a lawn mower a pulley?
Nearly all gas-powered lawn mowers use a belt or pulley to drive the blade.
How do you replace a pulley on a riding lawn mower?
1:403:19Craftsman Riding Lawn Mower Large Deck Pulley #532196106 - YouTubeYouTubeStart of suggested clipEnd of suggested clipWith the nut unthreaded remove the old pulley. Before you install the new large deck pulley firstMoreWith the nut unthreaded remove the old pulley. Before you install the new large deck pulley first confirm that the mounting bolt and belt guide are in position. Slide the new pulley on to the bolt.
How do you remove a pulley from a lawn mower deck?
1:2810:40How to: change the spindles, pulleys, belt, and blades on your mower deckYouTubeStart of suggested clipEnd of suggested clipYou're just gonna slip it off. And now your deck is free so all you're gonna do is take those pinsMoreYou're just gonna slip it off. And now your deck is free so all you're gonna do is take those pins out and you'll be able to pull this entire mower deck off of the off of the mower.
How do you remove the pulley from a Briggs and Stratton engine?
0:315:06How to remove a stuck drive pulley on your Briggs and Stratton, Kohler, or ...YouTubeStart of suggested clipEnd of suggested clipAnd pushing up on the gun. And. Just. Don't slip and hit the pulley it's come off a couple times butMoreAnd pushing up on the gun. And. Just. Don't slip and hit the pulley it's come off a couple times but i've not damaged the pulley.
What can damage a lawn mower?
6 sure ways to destroy a lawn mowerNeglect the air filter. The mower's air filter catches dirt that otherwise would find its way into the mower engine through the carburetor. ... Skip the oil change. ... Ignore the spark plug. ... Let grass clippings accumulate. ... Use old fuel. ... Disregard vibrations.6 sure ways to destroy a lawn mower - Sears Parts Directhttps://www.searspartsdirect.com › diy › article › sure-wa...https://www.searspartsdirect.com › diy › article › sure-wa...
Why is my lawn mower not turning over?
Your Mower Won't Start: If you have last season's gas in your mower, drain your fuel tank and fill with fresh gas. Other possible causes include: Loose, Dirty or Disconnected Spark Plug in Your Lawn Mower: Check it out, clean off debris, re-connect and tighten. Dirty Air Filter: Clean or replace.Top 5 Mower Troubleshooting Tips - Briggs & Strattonhttps://www.briggsandstratton.com › support › browse › t...https://www.briggsandstratton.com › support › browse › t...
Why can't I pull start my lawn mower?
0:102:38Lawn Mower Won't Start: Can't Pull the Recoil Starter Rope - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou might have a problem with the recoil starter or the engine might be locked up we'll remove theMoreYou might have a problem with the recoil starter or the engine might be locked up we'll remove the blower housing to check the recoil starter on.Lawn Mower Won't Start: Can't Pull the Recoil Starter Rope - YouTubehttps://www.youtube.com › watchhttps://www.youtube.com › watch
How do you remove a pulley without a puller?
Can You Remove the Power Steering Pump Pulley Without a Puller?With the pump taken off the vehicle, place it in a vice and use a piece of metal pipe and a hammer to tap the wedge between the pulley and the pump.Heat the center of the pulley with the blowtorch and pull it off.More items...•
How do you remove a rusted pulley?
Spray a liberal amount of penetrating oil onto the front and back sides of the pulley hub until they are thoroughly soaked. Spray the pulley retaining bolt and pulley shaft with the oil. Allow about 30 minutes to two hours for the penetrating oil to loosen the rusted pulley and other parts.
What does the idler pulley do?
The idler pulley is a common part that's found on the majority of the vehicles on the road. Its primary function is to provide tension and guide the engine drive belt. These belts wrap around the various parts of the engine such as the power steering pump, alternator, water pump etc...
How do you remove a V belt pulley?
0:224:11Belt Tensioner Pulley, How to replace (EASY and CHEAP) - YouTubeYouTubeStart of suggested clipEnd of suggested clipThat'll take a finger off. These are all the tools you need to do job you know ratchet fifteenMoreThat'll take a finger off. These are all the tools you need to do job you know ratchet fifteen millimeter socket the new pulley. And a pulley tensioner bar to relieve the tension of the belt.
What is a pulley on an electric motor?
A pulley is a wheel with a groove on its rim. The wheel is attached to the shaft and plays an important role in the design of the engine by transferring torque from the shaft to the drive belt. An idea of how to remove a pulley from an electric motor is necessary when repairs or relocation of a part to a new engine are due.
Where are pulleys located on a generator?
The location of the pulley in the engine compartment is inconvenient for work. It is hidden behind the generator and the approach to it is limited to the body structure. Pulleys are available in conventional and damping pulleys, which have an additional outer ring with a rubber seal to absorb vibration. To get to the pulley mounting elements, you need to loosen the tension bolts and remove the alternator and power steering belts. Even then, when carrying out dismantling work, special care should be taken in the application of forces so as not to accidentally damage the surrounding nearby parts and the body paint.
What prevents you from removing the crankshaft pulley?
The car manual and repair manuals describe the procedure for removing the crankshaft, including removing the pulley, beautifully and concisely, and it seems that it is easy to perform. But in reality, everything turns out to be not so simple. There are several reasons for this:
Why is a synchronous lawn mower important?
A synchronous motor always runs at a constant speed. Due to this factor, it is used where stable turnovers are especially needed. In lawn mowers, this moment is key and unnecessary. Synchronization is also important at high engine power. In mowers, this is more than 1 kW. The blade in synchronous lawn mowers is located on a separate shaft. This shaft is connected to the motor shaft by a belt drive. Weak point. knife shaft bearings.
What is the difference between a half coupling and a bushing?
The half-coupling, heated to red (on one side), expanded more (according to the laws of physics), while the bushing was colder and firmly seated on the motor shaft. Therefore, the sleeve remained on the motor shaft.
When is a pulley retaining bolt perpendicular to the vehicle axis?
The pulley retaining bolt prevails on motors in front wheel drive vehicles when the block is perpendicular to the vehicle axis. In this case, you will have to tinker more, since getting close to the bolt is more difficult. For work, you should prepare:
Why does the hole diameter increase in pulleys?
due to the heating produced from the edges of the pulley, the hole diameter increases by fractions of a millimeter and, accordingly, the degree of pressing against the shaft decreases;
What does it mean when a mower starts with a recoil starter?
That means that if something is stopping the blade from turning, you won't be able to pull the starter rope.
Why won't my lawn mower turn over?
When your lawn mower won't turn over, the problem usually boils down to the fuel/air mixture or the spark. When you can't even get the recoil starter to turn, however, it's usually the oil -- either too much or too little of it -- unless the problem is with the starter itself. Too much oil creates a hydro-lock, which is easy to fix.
How to fix hydro lock on lawn mower?
This can happen when you tilt the mower forward and hold it that way for a few minutes. Normally, when you pull the starting rope, it moves the piston. But when the cylinder is full of oil, the piston has to work against the oil and can lock. To drain the oil, remove the spark plug and crank the engine. The oil will spray out of the spark plug hole.
Can a mower spring be released too quickly?
Be very careful when servicing the spring, because it's under tension -- if released too quickly, it can injure you. It may be a job you want to leave to a professional mower repair person.
Can you pull a starter rope?
The recoil starter rope can get tangled in the pulley, and when this happens, you won't be able to pull it. The spring that retracts the rope can also break, and this may prevent the pulley from turning or retracting. You need to remove the starter housing to fix the rope or the spring. That sometimes involves removing other engine parts as well. Be very careful when servicing the spring, because it's under tension -- if released too quickly, it can injure you. It may be a job you want to leave to a professional mower repair person.
What causes a pulley to slip inside a lawn mower?
Probably the most common issue that affects lawn mower pulleys is the accumulation of grass clippings and debris. This is pretty hard to avoid if you use your lawnmower with any sort of regularity. The more you use it, the more debris and grass clippings are going to slip inside and cause problems.
How to tell if a lawn mower pulley is bad?
Arguably the most obvious sign that the lawnmower pulley is having some trouble is excessive noise. Things can get really loud when something’s wrong with the pulley. It may get to the point where it’s impossible not to notice. At first, you’ll likely hear loud grinding noises. They will be hard to miss.
How much does it cost to replace a lawn mower pulley?
The exact cost of a replacement lawn mower pulley will depend on the kind of machine you have. Some replacement pulleys can be had for just a bit over $10. Others are closer to $30 in price.
Why is my lawnmower moving so slowly?
The Lawnmower Is Moving Slowly or Seizes Up. The lawnmower stopping from time to time is another indicator of a faulty pulley. The shaft being damaged or the bearing having some problems could lead to the pulley itself not functioning properly. You have to fix those components first before the lawnmower can return to normal.
What happens if you clean out your lawnmower last time?
After cleaning out your lawnmower last time, you may have made a mistake while putting it back together. To be more specific, the bearing mount that could affect the pulley shaft may be loose. Loose bearing mounts are going to make their presence felt while mowing. They’ll saddle you with all kinds of annoying issues.
Why does my pulley bend?
Damaged Spindle Shaft. The spindle shaft the pulley’s resting on is not immune to having problems. Gradual wear and tear could cause it to bend and move out of position. Replacing that shaft is necessary, but you’ll have to remove the pulley first.
Why does my lawnmower slip out of position?
The tension of the belt could be too low thus causing it to constantly slip out of position. You’ll have to fix that problem before you can start using your lawnmower properly again.
What is a riding lawn mower pulley?
Riding lawn mower motor pulleys are made of metal and can rust, especially in an older mower and a mower left exposed to the elements. The crankshaft spins the motor pulleys, driving the belts that power the transmission and the mower deck. If a pulley is rusted and can't turn properly, the mower will not operate properly.
How to remove a pulley from a pulley?
Unscrew a pulley removal tool's center bolt, rotating the bolt counterclockwise until it bottoms out or stops. Set the pulley removal tool on top of the pulley, aligning the pulley removal tool's center bolt with the pulley shaft.
How to remove a pulley retaining bolt?
It will allow you to hold the pulley still when you remove the pulley retaining bolt. Unscrew the pulley retaining bolt with a breaker bar and socket wrench or with a pneumatic air gun and socket. A pneumatic air gun and socket is very powerful and can help remove stubborn bolts, but the extra power also often results in broken bolts. If you break a bolt, replace it with a new, identical bolt.
What happens if a pulley is rusted?
If a pulley is rusted and can't turn properly, the mower will not operate properly. A rusted pulley can seize to the pulley shaft, but you can use penetrating oil, pulley removal tools and basic hand tools to coax the rusted pulley off the pulley shaft.
How long does it take to remove a rusted pulley?
Spray the pulley retaining bolt and pulley shaft with the oil. Allow about 30 minutes to two hours for the penetrating oil to loosen the rusted pulley and other parts. Spray additional coats of oil as needed until the parts loosen and can be removed, allowing 30 minutes to two hours between each application of the penetrating oil.
How to remove rust from a riding lawn mower?
Lay a plastic sheet or a drop cloth on the ground under the riding lawn mower. Brush loose and scale rust from around the pulley hub, pulley retaining bolt and pulley shaft with a wire brush.
Do lawn mowers have a hub?
A lawn mowers may have a flanged hub in front of the pulley, requiring a pulley removal tool that fits on the hub. Instead of drilling through the pulley, such a pulley removal tool grips and pulls from the hub, but that tool's basic operation is the same as for a standard pulley removal tool. Heat applied to a rusted pulley can damage engine ...
