Op’s Manual Model Lt1042 Lt1045 Lt1046 Lt1050

Cub cadet has had mice living in the motor area during the winter, I've cleaned out the mess they left had a few wires chewed on- taped those up, not sure if that has anything to do with the blades constantly spinning,
Experienced gardeners share their insights in answering this question :
Sound like you have some wires shorted out follow the wires from the clutch back to the switch

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If the PTO clutch is not getting power, if the clutch solenoid is defective, or if the clutch is worn out, the lawn mower blades will not engage. The PTO clutch is not repairable—if the clutch is defective, you must replace it.
Power take-off (PTO) clutches provide a mechanical disconnect between the power created by gas and diesel engines or electric motors to another piece of equipment. The PTO clutches enable the transmission of that energy to auxiliary equipment that does not generate its own power.
Top Reasons why your blades will not engage on your riding mower or tractor: Belt-the number one cause for your blades not to engage is that your belt is either stretched or loose causing it to slip or fall off completely. Belt could have snapped also.
There may be old or bad fuel in the carburetor float bowl. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and make the engine hard to start. If the carburetor is clogged, try cleaning it with carburetor cleaner.
The PTO (or power take-off) belt is part of a pulley system that operates the blades on your riding lawn mower. It runs off the electric clutch system in your engine. If you hear squealing during operation or see dry rot on your PTO belt, you may need to replace it.
The PTO is engaged and disengaged using the main transmission clutch and a remote control mechanism which operates on the PTO itself. Typically, an air valve is used to engage the PTO, but a mechanical linkage, electric or hydraulic mechanism are also options.
With the engine still off, press the clutch as far down as it goes then release it. A clutch that is in good condition should spring back to its original position quickly and have some resistance as you press down. On the other hand, if it gets stuck, moves slowly or feels bouncy then it`s likely to be wearing out.
A new lawn battery should last between three and five years. In order to achieve that, however, it`s important to perform regular maintenance. Here are a few tips to help you get the longest life possible out of your battery.
You Lose Power in the Middle of Mowing:

Here`s why this happens and what you can do: Dirty Air Filter on Your Lawn Mower: Clean or replace. Dirty Spark Plug: Clean or replace. Build Up of Clippings & Debris: Clean underside of your lawn mower deck as noted above.

For many types of PTO applications, a certain engine speed is required. The PTO cruise control allows the operator to set a specific rotation speed of the rear PTO for a certain PTO speed (i.e., 540/540E/1000 or 540E/1000/1000E) while not limiting the maximum engine speed for transport work (when PTO is disabled).
The PTO output shaft rotation as listed on the application page is shown as it relates to the vehicle crankshaft rotation. The rotation of the vehicle crankshaft is always clockwise when viewed from the front of the vehicle.
It is not necessary to sharpen the blade so that it is as sharp as a knife blade, a simple clean edge, with the metal sharpened at about a 45 degree angle is sufficient.
The blade typically spins at 3,000 revolutions per minute and slices the grass as it passes over it. Blades can be either straight or curved, but it`s the tip of the blade at either end that does all the cutting. Some blades are specially designed to cut the grass clippings into tiny pieces that can be used in mulch.
This nut is a standard right-handed thread (rotate clockwise to tighten, counterclockwise loosen) and should be tightened to between 70 and 90 foot pounds of torque to fasten securely.
Remove the Blade

Put on heavy work gloves so the sharp blade doesn`t cut you. Secure the lawn mower blade by lodging a 2×4-inch block between it and the mower deck (a C-clamp can help hold it in place if needed). Then use a wrench or socket to loosen the fasteners that anchor the blade to the drive shaft.

A 19.5 HP/541cc Kohler® engine is designed to deliver reliable power to tackle your yard.
Optimized steering system for responsive handling gives a 16-inch turn radius a zero-turn feel.
19.5 HP Kohler 5400 Series Engine Hydrostatic Drive Gas Riding Lawn Tractor (CA Compliant)
The engine powers both the wheels and the blade, just like a walk-behind self-propelled mower. But instead of being directly connected to it by an axle, the blade on most riding mowers is powered by a belt connected to the engine.
The engine powers both the wheels and the blade, just like a walk-behind self-propelled mower. But instead of being directly connected to it by an axle, the blade on most riding mowers is powered by a belt connected to the engine.
A lawn mower blade can get stuck for several reasons, one of which includes over-tightening. Lawn mower blades are supposed to be loose enough to slip when they hit a solid object in order to protect the engine and the blade itself from damage. Lawn mower blades may also get stuck if the bolt is threaded the wrong way.

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PTO will not engage on my 0 turn Cub Cadet RZT 50. What should I check and how do I check it?
ANSWER : See if the switch is getting power to it and if it is see if the clutch is getting power. it needs 12 volts in order to engage.

Cub Cadet zero turn. Cannot get the blades to turn when PTO switch is pulled. Belts are fine and attached. Please help.
John
ANSWER : I had the same problem. there was a short in the relay just before the wire gets to to back pulley assembly.

I have a 20 hp z force 44 and the mower blades wont come on . I have changed the pto switch and the safety switch under the seat. I have also checked the fuse and its good. what else is there?
ANSWER : Hi, check you have voltage at the pto plug in connector when the mower is running and the pto switch on. If so the pto needs replacing. If not you have a bad contact or broken wire somewhere. Hope this helps, regards Phil.

Pto on cubcadet lt 1042 wont engage, i tested the clutch and it engages , tried a new relay but still nothing, help!!!!
ANSWER : See if there is a fuse for the clutch near the sw

I have a cub cadet LT1042 and it is 3 years old…we have replaced the pto 2 times and replaced the belt 7 times what is the deal
ANSWER : You have to have something rubbing under there that isn’t supposed to be, crawl under the tractor and watch the belt go around by hand, if you can turn it. Maybe see what is frozen up, in the wrong place, Gotta be a belt guide is rubbing or a pulley is not spinning. The PTO should last 20 years, all i can think is they got it too tight to start, .010″ min, that is tight, and you must be in Florida picking up a lot of sand? If it was under any kind of warranty, I would raise a big stink about it. Those PTO’s are not cheap. And the belt has got to be $20. I wouldn’t go to a dealer for the belt, unless it is really special, just match it up at the auto parts store, for half the price of dealer. Hope this helps.

Have a cub cadet GT 1554. When I engage the pto, it shuts the engine down. Could pto need replacing?
ANSWER : Probably spindles bad, or something wrapped around blades or belt

I have a cub cadet 2165 I just put in a new battery and it is slow turning over any ideas?
ANSWER : If battery is good and everything is hooked up right. Most likely could be the pto clutch bearing. Not the bearing on the pulley but on the clutch inside. Had the same problem, took the spark plugs out got it free. Turned over easy with plugs out, Started right up after and then burned up my bearing. Don’t burn up bearing. If do field assy. For that is 200$ if you can get away with just that. Otherwise 350-400$ for full assy.

On a cub cadet LT 1042, what does it mean when the blades engage on their own and won’t disengage and the motor makes a high squeeling sound
ANSWER : Sounds like the PTO clutch is bad either binding up or coming apart or binding up.