Lawn mower clutch adjustment. Craftsman Parts for Outdoor Power Equipment

Trouble Shooting Guide

BEFORE REMOVING YOUR CLUTCH, ALWAYS TAKE PICTURES OF YOUR BELT ALIGNMENT.

Electric PTO Clutch Troubleshooting :

• Re-check the wiring as per the instructions. Verify that the clutch is receiving between 12-14 Volts DC at the clutch wire.

• If the clutch is not receiving 12-14 Volts DC at the clutch wire:

• Check your battery and charging circuit

• There should be 12-14 Volts at the battery terminals. If there is not, the battery is bad or the charging circuit is not charging the battery.

• Look for tears, frays and breaks in the wiring
• Check the PTO switch
• Check the key switch
• Check any in line fuses

• If the original clutch has a single wire coming from your equipment

• Verify that the second clutch wire runs directly to ground at either the frame or the engine block
• Test continuity between the frame or engine block to the ground terminal on the battery

• Test continuity between the ground wire and the ground battery terminal
• Follow the wiring, looking for frays, breaks or tears
• Check electrical connections. See ‘Clutch not Engaging’
• Check the surface between the clutch armature, rotor and brake for contamination

• Clean surfaces thoroughly, and reassemble clutch

• Check mowing deck for excess grass buildup, clean as needed
• Check driven system pulleys and bearings for wear

• Pulleys and bearings should rotate with little to no resistance when disconnected from drive belt
• Replace or repair as necessary

Clutch Vibrating / Making Noise

• Identify the location of the noise. Verify that the noise is coming from the clutch area

• Check anti-rotation device. Make sure device is secured tightly. Some noise here is usual. If noise is excessive replace anti rotation device
• Verify that the clutch bolt is torqued appropriately. Verify that the clutch has no movement on the crankshaft
• Verify that the clutch washer is not bent or warped. Replace if necessary
• Verify a gap between the clutch washer or D-spacer and the crankshaft. If no gap exists, please refer back to your installation instructions for proper installation.
• Verify that the clutch is rotating true and not wobbling. If the clutch is wobbling

• Inspect the clutch bearings for failure. If bearings have failed, replace with new Ox clutch
• Inspect the crankshaft for damage or bends. Replace or repair as necessary

If, after carefully and thoroughly following the instructions and working through this troubleshooting guide, you are unable to get your clutch to install or function properly please take it to a qualified mechanic for inspection and installation.

If, after following the troubleshooting guide it is determined that your clutch needs to be replaced, please refer to the OX clutch website (www.oxclutch.com) and follow the instructions for a warranty inspection (if within the warranty period,) or a lifetime exchange.

WELCOME TO OX CLUTCH

Have a question or concern? Feel free to contact us. We strive to revive your mower’s performance with a quality lawn mower clutch replacement that you can use for years to come.

NEED QUANTITY PRICING OR A CUSTOM BUILT CLUTCHAt Ox, we are ready to go the extra mile for you. Contact us for details!

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Find the CRAFTSMAN original equipment parts and accessories you need to keep your lawn mower, snow blower and other outdoor power equipment performing strong. These parts and accessories are designed and engineered to exact standards to provide reliability and optimal performance. Protect your CRAFTSMAN outdoor power product investment with CRAFTSMAN original equipment parts and accessories.

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What Are The Symptoms of bad PTO Clutch?

PTO clutches are generally used with outdoor power equipment that used for start the rotation of and implement a cutting blade. Also, It helps to slow down the implementation when the clutch is turned off.

You’re here because you wanted to know what are the symptoms of bad PTO clutch. Don’t worry, the dedicated article is on this topic. You will learn some common signs of bad PTO clutch in the following post. Plus, The solution to those problems.

What Are The symptoms of bad PTO clutch?

Hard To Start

Usually, the common symptom of a bad PTO clutch is taking time to engage. In the beginning stage, It takes several seconds for the blades to engage. It will be getting hot after running for a while.

Noise:

The PTO clutch will make some awkward noise when engaging or disengaging. If you hear such type of noise when your release or depress the PTO clutch, or both at the same time when the engine is off, It’s probably a problem with the PTO clutch and Its release mechanism.

Also, When the transmission is neutral, the car makes a chirping, whirring, or grinding sound, but the sounds go away by depressing the clutch pedal that indicates the PTO clutch problem. The possible reason behind it is the noise is coming from a worn-out input shaft bearing.

You can use noise to understand that is the clutch has any defect or not. For this, first, disengage it and turn it on and off few times. If you notice that the power takes off slowing down or stopping and won’t make a disengagement noise, It indicates the PTO clutch galled together fo heat or slip ring has jammed.

Engine won’t turn over

The blades will not engage if the PTO clutch solenoid is defective for this clutch won’t get any power. Also, The engine won’t get any power if the switch has any defect.

How to solve bad PTO clutch symptoms?

There aren’t a single solution to solve the PTO clutch problems. For example, If your PTO clutch solenoid is defective, then you need to replace the clutch. But, If the problem occurs on a switch, the problem will solve by replacing the switch.

Also, Adjusting the PTO clutch, especially electric clutches, are mandatory for getting the highest performance. Otherwise,You will notice the gap between contact plates that reduces magnet power and complexity to hold them together. For this, with a heavy load, the contact plates may slip, which will cause heat from the friction of lowering.

Sometimes, Adjusting the PTO clutch from time to time can solve some common issues and provide optimal performance.

Here are some common issues and solutions you may apply to solve the PTO clutch problem:

How do I Test A PTO clutch?

Follow this quick guide to test a PTO clutch:

• First, Use a floor jack to lift the vehicle up and use two jack stands under the rear frame and two in the front frame to provide clearance to look at clutch drive assembly.
• Read the volts using a good engine source. If you find output below 12.4 volts or equal, then charge the battery because it won’t engage without enough voltage.
• Then, Check the in-line fuse. If it turns black or blown, replace it with the same amper fuse rating as the original.
• Active the engine and carefully check the blade operation. If it makes noises, first replace the ignition key and unplug the battery cable.
• Remove any type of broken branches that jammed into the drive belt and the pulley.
• Again plug in the ignition key and negative cable with a socket. Turn on the clutch engagement lever and disengage it after starting the engine. Then, turn it on and off several times. If the pulley is slowing down and stopping frequently, It’s the sign that plates and clutch have galled together. For this, you need to remove the clutch and inspect the internal issue.

How Do You Remove A PTO clutch?

Fortunately, We don’t need any type of special tools and equipment to remove a PTO clutch. Just a screwdriver, a socket wrench set, and a pair of good-quality gloves are enough. After you collect those tools, let’s jump into the removing part:

• To reduce the risk, first, disconnect the spark plugs.
• Then, You will have to take off the plastic covering from the pulley, which protects the belt from any sort of damage.
• Then loosen the blade belt to access the clutch.
• After removing the belt, you’ll find two sets of wires which directly connect with the PTO clutch. Disconnect those wires before releasing the clutch.
• In this step, A assistant must be needed. There is a bolt connected with the top of the mower or vehicles. At the same time, unscrew the bolt, the assistant help you to keep the nut in place, and he used a screwdriver to take off the flywheel cover.
• Finally, You can remove the PTO clutch after the bolt is out.

Final Words

The power takeoff clutch is a piece of important equipment used on small tractors that activate mower tillers or blades. It’s used electricity to produce a magnetic armature to rotate the blade. But, to get the optimum performance, you need to keep it in regular maintenance.

So, Knowing some common Syndrom of bad PTO clutch helps you do the maintenance process easily and find out any problem quickly. In the above guide, You find some common syndrome and how to solve those, which might help you identify the problem and solve it.

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Why is My String Trimmer Head Not Spinning Fast Enough?

When your weed eater’s trimmer head is not cutting the grass after a few seasons of use, it may be due to a lack of power for one of several reasons. Luckily, you can inspect the tool yourself to figure out whether there is a problem with the throttle, the clutch, the drive cable, or the trimmer head itself.

The Trimmer’s Power Source

Whether you have a STIHL, Ryobi, or Husqvarna string trimmer, the big differentiator among models will be the power type for the tool: electric or gas engines. Electric and battery powered weed wackers tend to not have the same problem with slow spinning that gas powered trimmers do. They either get the power they need, or they don’t.

Gas powered weed eaters, on the other hand, have more interchangeable parts that can wear down and need to be adjusted or replaced over time.

How Do I Fix My Trimmer Head’s Speed?

A string trimmer usually only has one speed, which is engaged by the throttle button on the handle. Your weed eater comes preadjusted when you buy it, so it should only need to be fixed if it’s going slower than normal. To fix the problem on your own, a good inspection will help diagnose where the problem is located.

The Drive Cable

When you push the throttle trigger on the handle, it engages the clutch, which allows the engine to deliver power to the spinner through the drive cable. If the trimmer head moves slowly, it’s receiving power from the engine, and the problem isn’t with the throttle. A broken or disconnected throttle cable will prevent the engine from accelerating at all.

The Trimmer Head

A few problems with the trimmer head may result in slowed performance:

• The bump knob – When you have a stuck bump knob, or the bumper has been worn down from use, it can prevent the head from spinning correctly.
• Disconnected drive shaft – There is a pivoting connection that spins the head at the end of the drive cable by rotating the attachment’s gears. Over time, if the head slips downwards from use, it can loosen the pivot from the socket in the head.
• Worn internal gears – Gears inside the head are rotated by the pivoting drive shaft The gears in the trimmer head can wear down over time, making their connection looser and affecting the spinning power.

Should The Trimmer Head Spin At Idle?

While a few weed wackers may have slow, idle spinning, most don’t spin unless engaged by the throttle for safety reasons. If your trimmer continues to spin despite not holding the throttle button, the clutch may not be engaging correctly. The same may be true if the spinner doesn’t pick up speed once the throttle is triggered.

How Do I Know If My Trimmer Clutch Is Bad?

A worn clutch can cause the trimmer to barely spin when you squeeze the throttle. If the bump knob, gearheads, and attachments are fine, you should inspect the engine’s clutch to see if it’s the cause of the slowing.

The clutch is a release that allows the engine to transfer power to the transmission or the drive cable when the throttle is pressed. The clutch itself can corrode or get worn down over time, or its spring mechanism can become stiff and prevent smooth rotation.

Over time, rust, corrosion, and pressure from movement can wear away at the metal clutch or the clutch shoe (a friction absorber). If the shoe or the clutch wears down, it may not make full contact when the throttle is engaged. This piece can be purchased and replaced easily, but sometimes a good sanding to remove corrosion can extend the part’s life. If it’s too worn down, however, it will be most effective to simply switch the old one out for a new one.