Your Cub Cadet mower deck belt keeps coming off because the belt is worn and stretched; the belt keepers or brackets are damaged; the bearing is damaged in a pulley or spindle housing; debris is interfering with your belt tension; or oil has collected on the belt
Why does my Cub Cadet keep throwing the deck belt?
If the deck rides on guage wheels entirely, it could be that certain parts of your mowing domain have small “swales” or depressions that allow the deck to drop even further down when traversing one of those places The increased angle when (if) this happens, might aggravate the tendency for the belt to derail
How do I know if my lawn mower pulley is bad?
If a pulley is badly worn, it can cause a bad vibration from the cutting deck on your lawn tractor To check all your pulleys, start by removing the mower deck Next, remove the mandrel covers and belt, then check all the pulleys for play and roughness when spinning
How do you adjust the deck on a Cub Cadet mower?
Adjust the deck by loosening the hex lock nut on the deck hanger rod Raise the front of the deck by tightening the inner hex nut Loosen the inner hex nut to lower the front of the deck Once the deck is at the proper level, tighten the lock nut to secure
How do you adjust a tensioner pulley?
Turn the adjustment bolt on the side, top or bottom of the pulley counterclockwise with the ratchet and socket until the accessory belt is loose enough to remove Tighten the tensioner pulley by turning the adjustment bolt clockwise with the ratchet and socket until the belt is tight
Can you adjust belt tensioner?
Cars equipped with an automatic belt tensioner adjust themselves over time and do not require adjustment This article shows you the process to adjust drive belts on a pivot-style belt adjuster
Why does my belt keep slipping off?
Slipping can be the result of a loss of belt tension (or a weak automatic tensioner) or pulley misalignment When the belt slips off the track, the friction between the belt and accessory drive pulleys causes the belt to overheat If you hear a high pitched squealing noise, it’s probably time for a switch
How do I know if my riding mower belt is bad?
How to tell if a mower belt needs replacement The belt has side wall damage Mower belt edges should be smooth and even throughout the entire length of the belt The belt has a glazed or burned sidewall Look at the belt edge that contacts the pulleys The belt is cracked
Why does my mower belt keep stretching?
Wear and tear: Lawnmower belts stretch due to wear and tear, something that should expect with any machine Over time, continued use of these lawnmowers results in some problems When belts stretch, they lose contact with the pulley system, making it difficult to move the mower forward or backward
Why is my riding mower cutting uneven?
If your riding lawn mower is cutting the grass unevenly, start by checking the pattern of the cut Blade vibration also causes an uneven cut To eliminate vibration, replace unbalanced blades and worn mandrels Replace a worn blade belt because a worn belt won’t spin the blades correctly
Is a mower deck supposed to be level?
Level the mower deck to ensure grass cutting height is even across the width of the deck This will help ensure a smooth and seamless side-by-side blend between each row of freshly cut grass
How do you tighten the belt on a Cub Cadet?
Turn the ratchet toward the right side of the mower to loosen the belt tension on a 46-inch deck If your Cub Cadet lawn tractor has a 50-inch deck, set the 3/8-inch drive ratchet to tighten, and insert it into the square hole on the idler bracket Turn it toward the right side of the mower to loosen the belt tension
How long should a mower drive belt last?
Considering you are mowing 2 to 3 times the lawn of the typical homeowner, or 6 to 9 years worth, yeah, it could be worn Also consider the possible need for drive cable adjustment or engine rpm adjustment
Is a lawn mower belt supposed to be loose?
The belt of your lawn mower should be tight in order for it to work properly The belt is used to transfer power from the engine to the wheels and when the belt is not tight, the mower will not move forward or backward as it should
Why does my mower deck belt keep coming off?
The drive belt may come off a riding mower because it is damaged or loose If broken or worn, the belt can break while the engine runs, and it can fly off at a great velocity, which is highly dangerous Check the belt for looseness, cracks, fraying or separation from the rest of the assembly, and replace if necessary
What are the signs of a bad belt tensioner?
Rust bleed and cracks Appearance: Rust is bleeding between arm and base or dripping from the tensioner Pulley bearing wear Pulley wear Tensioner assembly misalignment Tensioner noise Tensioner arm misalignment Excessive tensioner arm oscillation Binding or grinding tensioner arm movement
How do you adjust a belt tensioner?
If equipped with a tensioner screw, back off the tensioner screw Then, push the alternator toward the other pulleys, loosening the belt To loosen an NAI tensioner, loosen the locking nut or bolt, then back off the tensioner screw Push the pulley toward the other pulleys or accessories, loosening the belt
How tight should the belt tensioner be?
When twisted either way from the middle, the tension in the belt must not be more than 12 inch The belt is too tight if it is twisted more The positions do not work for the vehicle
What causes a mower belt to get hot?
The only thing that comes to mind to cause the belt of overheat, is slippage With someone on the seat so you can engage the mower try to look at the PTO to see if the belt is slipping, if it is you need to tighten it somehow, maybe a weak spring on an idler pulley