You're missing a spacer or it's getting tightened off-center. Some blades require they be set onto a collar on the spindle, and they need to be snugged up just right before you really tighten them. If it's off center and riding on the high edge of the spindle rather than down on the base, it might seem tight, but will work loose in a few minutes.

• How To Keep Lawn Mower Blade From Falling Off Back

Riding mowers sometimes have problems with the belts, especiallythe drive belt to the deck that drives the blade(s). The problem isoften pulley alignment and that requires some mechanical repair.The other possibility is that the guides that are designed to keepthe belt in the vee of the pulley are not adjusted properly. Thethird, and simplist, is to make sure that the correct belt is onthe mower as per the manufacturer's instructions.In any case,unless you have adequate tools and knowledge of the drivemechanism, it might be better to check with a qualified mowermechanic.

How do you change the transmission drive belt on a John Deere LA150?

Disingage the mower deck take off the mower deck look under neath their and replace the belt

Why does the deck belt come off a craftsman riding mower even after installing a new belt?

You may have installed the wrong size belt? One of your spindles may be bent. Double check to see that your spindles are not bent and that you have purchased the correct belt for your mower.

What is the deck belt pattern on a john deere l130a lawn mower?

my belt keeps coming off my l130a 48' deck. all the pulleys are good, is there a way to tighten the belt?

How do you change the blade belt on a john deere Rx63 lawnmower?

You have to take the deck off by pulling 4 cotter pins then just lift the mower off and take the belt off

While cutting grass with craftsman riding mower you stopped and to go in different direction would not go after hearing a pop?

You have probably broken the drive belt. With the mower turned off, lie on the ground and look underneath the mower. There is a deck belt and a drive belt. The drive belt is the upper belt. Grab the upper belt and see if it is broken.

How do you install belt to mowing deck on 42 cut Murray 15.5 riding lawnmower?

I have Murray 42' cut riding mower that the belt came off. How do I put the belt back on?

How do you change a deck belt on John Deere LT166?

It depends on the Mower Deck you have. I have an LT166 with a Freedom 42' mulcher mower deck. To change the belt, I: 1) Lower the Mower Deck to the bottom position (on the lowest grass height) 2)Remove the front cotter pin and connector that locks the mower deck to the front of the tractor. The connector looks like a square loop with a tail. Slip the mower belt off the tractor (it should… Read More

How do you replace a drive belt on a forty two inch TORO mower?

You will need to remove the cutting deck to get to the blades. Here you will find the drive belt, which you just slip off.

How do you remove mower deck cub cadet 1914?

Pull the spring loaded pins on each side of the deck. Slide the mower deck forward off of the front pins. Lift the deck lift up and pull the deck from under the mower. Remove the belt from the engine pulley. Grab the handle on the front of the mule drive to release it from the tractor. Pull the entire mule drive forward from the tractor. You are done.

How do you replace drive belt on john deere 110 mower?

You can replace the drive belt, on your John Deere 110 mower, by loosening the tensioner pulley. When the tensioner pulley is loose the belt will easily come off.

Mower deck belt installation for a scotts 20 hp 48 inch mower deck?

As your sitting on your mower look down on your left side on the deck is a metal arm locked under a hook get off the mower push down on the arm and pull out toward the rear tire this loosens the rear pulley now put belt over the top front pulley and over the rear pulley move metal arm back to hook and lock in place then your done.

How do you change timing belt on John Deere LTR 180 mower?

Remove the mower deck by the quick disconnect latched and the front bracket, and the lift linkage ARM and take the belt off the engine pulley and leave with the mower deck. Remove the mower deck plastic guard to access the timing belt. Loosen the bolts on the right side tensioner bracket and back off the tensioner adjustment bolt all the way. The timing belt can now be removed. The center forward guide pulley can… Read More

How do you replace upper drive belt on troy-bilt riding mower?

When working on a lawn mower, always make sure it is turned off, the spark plug is disconnected and the positive battery terminal is unhooked for your safety. First remover the belt keepers from around the belt. Next, you will be able to remove the belt from around the front pulley. Remover the deck from the mower by removing all the pins that keep it attached. You will now be able to remove the outer… Read More

How do you install a snowblower attachment onto a Case 444 lawnmower?

You'll need the snowblower, the mule drive for the snowblower, and the belt off of your mower deck. The blower attaches where the mower deck mule drive snaps in with the two spring pins. The mule attaches to the bottom of the blower and back to the deck height adjustment hookup. Run the belt from your PTO, through your idler pulleys on the mule, then round the drive puller on the blower. Tension the belt… Read More

Why does your mower deck belt fall off?

usually it is because it has either stretched, wrong size belt, or when it was put back on it didn't get routed properly through the guides that help hold in in place when it is disengaged

John Deere 1800 lawn tractor mower deck won't engage?

Could be the pto/drive shaft not connected or engaging, or the belt could be off. Pivot the wheels sideways, drop and remove the deck and remove the cover panels to replace the belt. Belt is on, but, PTO drive does not engage (does not turn-on).

Why does myTroy Bilt lawnmower stall when the blade is lowered?

There are two things that could cause this. The first and most popular problem is that the safety switch for the seat is not working correctly. It determines whether someone is on the seat. If for some reason the driver should fall off of the mower while mowing it will shut the mower off. It is a good feature but it causes the problem you are talking about when it fails. The other thing it… Read More

How to put belts on yardman riding mower model 13bt604g401?

Park the mower on a level surface preferably concrete apply the park brake and drop the deck to the ground When refered The LHS and RHS of the mower is as you sit on it remove the cutting deck first pull the silver pins at the back of the deck towards you so the rear of the deck is free there is a pin on the lhs and one on the rhs There is a… Read More

How do you know when riding mower deck spindles are bad?

Normally you will start to hear a loud grumbling sound from underneath the mower when the blades are engaged. With the mower shut off, release the tension from the belt for the blades. Raise the deck so you can grab the blades from the bottom. You should not be able to rock the blades from side to side or up and down. If you can then you probably have a bad spindle. You can do… Read More

How do you change a drive belt on a castel garden club ride-on mower?

You can change the drive belt, on your lawnmower, by loosening the tensioner pulley. With the tensioner pulley, loosen the drive belt will come off and can be replaced.

How does a john deere F525 front mower deck mount?

I had my deck off today. 3 pins are the pointing points

How do you install a 47 deck belt on John Deere 212 Lawn Mower?

You have what is called a floating deck. You do not need tools to remove the deck. There are two floating pivots on either side that have a pull out knob, there is an adjustment hanger on the left side (as your sitting on the mower) that will have a cotter pin, and there are two spring loaded latches in the front where the wood roller is. Once these are all pulled out you can… Read More

The belt of your STX 38 that makes it move broke you need the name of the belt and number if possible please?

The belt is called the drive belt. The number depends on the brand or manufacturer of the belt. If you can't get the numbers off the belt, get the model and serial numbers off your mower and try a lawn mower repair and parts shop for a replacement belt.

Why does john deere LA 115 deck belt slip off when blades are dissengaged?

If you have removed the plastic pulley covers the belts will come off when disengaged.

Why does the belt keep coming off your mower?

the belt might be to small try getting a smaller one

How do you fix riding mower when the blades won't disengage?

Without the make and model there is no way to tell what the problem is. There are four different ways for blades to engage. They can engage by cable, linkage, belt and electric clutch. If your mower has cable or linkage you will need to have someone operate the lever and you will need to watch under the mower to see what is moving and what is not. If it is driven by moving the… Read More

How do you remove the mower deck on a Murray lawn tractor?

First Loosen the belt tension by disengaging the drive lever. Remove the belt from the lower drive pulley On the front axle there is a bracket that has a long rod with a quick pin through one end of the shaft. Remove it and then remove the rod from the bracket. This releases the front of the mower deck. Then look on both side of the mower deck and you will find four flat metal… Read More

Replacing mowing deck belt on john deere 445 with a 60 in deck?

As it is made from the factory, you must remove the deck. Remove the four nuts that hold the belt guards on, unclip the four fasteners. Remove the two nuts on the top of the deck toward the front, that hold the bracket for the gearbox. Loosen the two at the back lower side of the bracket. Raise the bracket up enough to get the belt out. To install just go in reverse. One thing… Read More

Why won't my lawn mower blade engage?

if its an electric clutch the solonid that engages it may be bad, if its a manual engagment,the belt may be bad,or a spring has come off,

How do you take the deck off a yard machine lawn mower?

Try looking on YouTube. There are a lot how to videos there.

How do I remove deck from 2554s John Deere lawn tractor?

release the belt tensioner bar on the right side of the deck. you can do this by hand, it is the rotating bar that is held back by a catch on the deck. at the front of the deck where it is attached, rotate that bar downward to release it. at the rear attachment points on each side, you will just pull out on the round metal peices that stick out of the side of… Read More

How do you reinstall drive belt engine to mower deck on a john deere lx176?

With the deck in place and all attachment points attached to tractor. The silver galvanized rod on the left side of the mower deck pushes inward on the end closest to the front of mower deck. It will release from the hole. Once released swing the rod back outward over the hole you just released it from all the way to the rear tire or where it stops. Now take the new belt and lace… Read More

How do you tighten a deck belt on a YardMan 42 605 lawn tractor?

Make sure the mower blades are turned off and then adjust the attachment lever to the lowest position. Lift the engine hood and disconnect the spark plug wire. Find the nuts near the center of the lawn mower deck and loosen them. Pull the cable bracket away until there is no slack. Tighten the nuts on the bracket and reattach the spark plug wire.

How do you stop john deere stx38 black deck belt from falling off?

Check your idlers on the deck as they are the most common culprit.

Drive belt keeps coming off riding mower?

You either have a bad or loose pulley, a stretched belt or a tensioner that isn't working right.

How do you replace a deck belt on cub cadet 1525?

Replacing belt and putting an intact belt back on the pulley's differs. Scroll down to see incact belt and belt pattern. The belt pattern (viewed from above) looks like a 3 toe footprint with the toes pointing toward the front of the tractor. Replacing the belt: Lower the cutting deck to it's lowest (#1) position. At the front of the mower deck there are two large rods (one on each side) going to a plate… Read More

How do I put a transmission drive belt on a Murray mower?

How To Keep Lawn Mower Blade From Falling Off Back

You don't say if it it the blade or Tranmission drive belt. Get a piece of new carpet remnants and spend about twenty minutes laying on it while you study and inspect the under carriage of the mower. Ideally -jack the mower up to eye level and remove the cutting deck retainers to drop it down one foot to a work bench or platform. Loosen the blade belt keeper post bolts on the deck and… Read More

Why does my MTD Yard bug engine shut off when mower deck is engaged only when deck is in a lower position?

engine is stalling because revs aren't high enough for the load, try lowering the deck on short grass

Craftsman model 917270840 deck belt how to install?

This mower has a 42' deck, two blades, one belt (#144200). To install belt, bear in mind the idler pulleys are flat sided which means the flat side of the belt contacts these pulleys, while the V-type pulleys receive the V-side of the belt. First, make sure the deck is connected to the mower at mounting points - two in front, the sway bar in the rear to keep the deck from rubbing the back-right… Read More

Can someone please provide a diagram for replacing drive belt on John Deere 14SM?

Standing behind the mower looking down, the belt comes off the blade, out of the deck, to the left of the first pulley(back of belt is against the pulley), now right between the next pulley and around the pulley on the transmission. You may have to remove, or at least raise the second pulley to get the belt under the guard. Have a good one. Geo

If you take the deck off a lawn mower will it go faster?

Answer No, it won't go faster, but it may accelerate more quickly. Problem with removing the mower deck is if you pull out in a higher gear you'll run the risk of wheelie-ing backwards onto yourself.. hurting you and the tractor. If you need to go faster, the easy way is to replace the drive pulley on the engine with a larger diameter pulley. You may need to buy a longer belt to accommodate the… Read More

How do you replace a drive belt on a Dixon mower?

Use the deck removal rod to take tension off mowing deck power belt. Re move guard covering pump pulleys. Remove bolt holding electric clutch to engine output shaft. Loop belt around pump pulleys, between idler pulleys, and over crank pullley. Align shaft key inside e clutch and reassemble. Pretty easy once you get the shaft key lined up.

How come your John Deere lawnmower will not go in reverse?

Could be that it is unsafe to have mower running while backing. try turning off the mower.

How do you thread the belt on a cub cadet 1045?

Take the deck off. On top of the deck is the belt diagram if that is the one you were wanting. Here's a tip: Check the pulleys and the back of the belt will ride on what is called a flat idler (flat part) and the inside of the belt will ride on a 'V groove idler'. If you take this into account it will be easier to install your belt.

How do you replace drive belt on 425009x8A lawn tractor?

The biggest hurdle comes from the fact that the belt must run around the steering post. The best way is to: 1) Drop and pull the cutting deck out from under the mower (5 cotter pins) 2) remove the steering wheel 3) remove the plate below the steering wheel (has two phillips screws) 4) access is large enough to feed the belt down through the opening 5) while plate is off, manipulate the steering post… Read More

Why does my rider lawn mower turn off when i engage the deck?

Most lawn mowers have safety features that will turn the engine off when there is damage to the blade assembly. That is very likely the problem.

What would cause a serpentine belt to come off?

Many things can cause a serpentine belt to come off. Most likely, it slipped off, or the tensonier that holds it in place was not tight enough.

How to replace John Deere mower spindles?

Remove the mower deck. Block the blade from turning by using a piece of wood wedged between the blade and the mower deck. Loosen the nut on the top of the pulley (May require a cheater bar). Remove the pulley. If it doesn't come off easily, use a 3 armed pully remover. Once the pulley is removed, loosen the four self-tapping bolts that hold the spindle to the bottom of the deck and the spindle… Read More