Lift the middle sheave slightly so the lawn mower belt will clear the belt guide, and slip the belt off of the variable speed pulley. Remove the belt keeper that surrounds the engine pulley using a 1/2" wrench. Remove the bolt securing the crankshaft pulley using a 5/8" socket. Note: The use of an air impact gun is recommended for removal purposes.
Do you want to replace the drive belt on MTD mower?
Do you want to replace the drive belt on your Mtd yard machine riding mower? You have to do it frequently as replacing the drive belt of the mower is a part of the regular maintenance. There are different models of MTD mower found in the market.
How do you replace a variable speed pulley on a lawn mower?
Lift the middle sheave slightly so the lawn mower belt will clear the belt guide, and slip the belt off of the variable speed pulley. Remove the belt keeper that surrounds the engine pulley using a 1/2" wrench. Remove the bolt securing the crankshaft pulley using a 5/8" socket.
How do you remove the belt from a riding lawn mower?
Press the lift lever attached to the mower deck and lower the deck at its lowest position. Use the screwdriver to remove the screws attached to the belt guard. You will find the guard near the grass discharge chute. Locate the engine pulley and remove the screws that hold the belt keeper rod attached to the engine pulley.
How do you replace the drive belt on a Chevy Silverado?
Re-install the belt keeper surrounding the engine pulley, using a 1/2" wrench. Then re-install the belt guide, which was removed from the variable speed pulley bracket, by using a 1/4" socket. nstall the new upper drive belt into the upper sheave of the variable speed pulley and around the transaxle pulley.
How do you change a self propelled belt?
3:164:28How-to Change a Self-Propelled Push Mower Belt - YouTubeYouTubeStart of suggested clipEnd of suggested clipPlace the blade bail support on top of the blade. And align the notches on the blade bail supportMorePlace the blade bail support on top of the blade. And align the notches on the blade bail support with a small holes in the blade install.
How do you change a drive belt on a rear drive lawn mower?
1:213:06Replacing the Drive Belt on a Lawn Mower - YouTubeYouTubeStart of suggested clipEnd of suggested clipOff pull off the belt keeper from the top of the transmission. Release the drive belt from theMoreOff pull off the belt keeper from the top of the transmission. Release the drive belt from the transmission pulley. And remove it push. The drive belt through the deck opening.
How do you replace a belt on a MTD deck?
1:243:33How to change your Riding Mower's Deck Belt on your MTD / Troy BiltYouTubeStart of suggested clipEnd of suggested clipPut deck height lever at its highest.MorePut deck height lever at its highest.
How does MTD variable speed pulley work?
0:413:04How the MTD Varidrive system works - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe higher up this centerpiece will lift. And that effectively creates two different sized pulleysMoreThe higher up this centerpiece will lift. And that effectively creates two different sized pulleys and changes the ratio between the front and the rear belts and that's what gives you the speed.
How do you replace a drive belt?
1:102:22How to Replace a Serpentine Belt in Your Car (Fan Belt) - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou just hook it up here to the bolt that loosens attention her pulley and then pull on it. As youMoreYou just hook it up here to the bolt that loosens attention her pulley and then pull on it. As you pull it down the belt gets loose. Then you can just take it off. And out comes the old fan belt.
How tight should lawn mower drive belt be?
Home and Garden Geek adds that you should be able to loop one or two fingers over the same belt when the tractor is off and the belt is “engaged” and pull it gently away from the pullies. This translates to one or two pounds of force. If you need more than two fingers, your deck belt may be too tight.
How do you install a drive belt on a yard machine?
2:254:44DIY: How to Change the Upper Drive Belt on MTD Gold Lawn MowerYouTubeStart of suggested clipEnd of suggested clipYou can put a screwdriver in the hole on the pulley to hold it in place as you take your wrench andMoreYou can put a screwdriver in the hole on the pulley to hold it in place as you take your wrench and loosen the pulley.
How do you put a deck belt on a Yard machine lawn mower?
1:327:21MTD YARD MACHINES 46" CUT RIDING MOWER DECK BELT ...YouTubeStart of suggested clipEnd of suggested clipIt's just getting the belt on. Under that's big heavy spring over there see but just give them aMoreIt's just getting the belt on. Under that's big heavy spring over there see but just give them a spin with your hand careful not to cut yourself blades.
How many belts are on a riding lawn mower?
There are two belts on most riding lawnmowers. One belt connects the transmission of the lawn tractor to the driveshaft pulley and the other belt connects the mower deck to the driveshaft pulley.
How do variable speed belts work?
The mechanically adjustable pulley is mounted on the driving shaft (Motor) and spring loaded pulley on machine / gear reducer shaft. Both the pulleys work together. The belt is pulled in or out between both pulleys, thus changing the effective running diameter of the pulleys and speed variation is achieved.
How does a variable speed clutch work?
The input drive plates function as the driver. The output friction discs are faced with a suitably grooved resilient material and act as a driven member. Precisely controlled clamping pressure between input drive plates and output friction discs allows virtually infinite speed control right up to 100% of input speed.
How does variable speed mower work?
Variable Speed - This is a system that uses a drive pulley system that allows variable speed without gear changing. Basically it works by slipping the drive belt on pulleys. This type of drive is useful and versatile when you are dealing with variable terrain and inclines.
What is a V belt?
The V belt found on your tractor is specially designed to engage and disengage safely . A substitute, or NON-Original Equipment Manufacturer (OEM), V-belt can be dangerous as it may not disengage completely. For a proper working machine, always use factory approved lawn mower belts.
How to remove cutting deck?
Then lift the seat to gain access to the battery. When disconnecting the battery, always disconnect the black negative battery cable first, and then disconnect the red positive battery cable.
Do lawn mower belts need to be factory approved?
For a proper working machine, always use factory approved lawn mower belts. It's a good idea to take a picture of how the lawn mower belts are routed before removal. During the installation process, you can refer back to the pictures for reference.
Do you check drive adjustments after changing mower belts?
Because of the tension change when you replace lawn mower belts, it is always recommended to check all drive adjustments after changing the drive belts. The following procedure will be for the speed control linkage on the variable speed belt drive.
Can you replace a lawn mower drive belt at the same time?
Note: Because there is inter-play between the two drive belts in the variable-speed pulley system, it is a good practice to replace both riding lawn mower drive belts at the same time.
Step 1
Park the mower on a flat. level surface and set the parking brake firmly. Turn off the ignition, pop the hood of the tractor and disconnect the sparkplug wire (it just pulls free by hand). Lower the mowing deck to the low position, using the deck lift lever.
Step 2
Disconnect the front and rear mower deck supports by removing the retaining cotter pins, using pliers, then slide the deck forward to remove it. Remove the PTO drive belt shield with a Phillips screwdriver, then disconnect the PTO belt from the mower deck by hand.
Step 3
Lift the seat, then remove the battery. Beneath the battery box, loosen the 7/16-inch nut securing the transaxle pulley to the transaxle, using a 7/16-inch socket. Disconnect the transaxle pulley spring from the anchor bolt (left side of tractor), using needle-nose pliers.
Step 4
Twist, then remove the PTO belt from the transaxle pulley, then remove it from the mower. Remove the screws that secure the belt guide to the variable speed pulley bracket, using a Phillips screwdriver. Carefully slip the belt from the variable speed pulley. Remove the belt guard around the engine pulley, using a 1/4-inch socket.
Step 5
Remove the bolt, lock washer and flat washer holding down the crankshaft pulley, using a 1/2-inch socket (secure the pulley before removing the bolt). Remove the crankshaft pulley. Carefully remove the drive belt from the mower, twisting, then easing it toward the engine.
Step 6
Install a new drive belt, following the reverse procedures used for belt removal.
How to test drive belt on lawn mower?
Test the drive belt by engaging the mower blades. If the belt is installed correctly, the blades will move efficiently. If you face any difficulty, stop the lawnmower and check the belt again.
Where are the idler pulleys on a lawn mower?
You will find the idler pulleys near the middle of the deck and the idler pulleys are smaller in size than the regular pulleys used in the mower. If you have a 42-inch mower deck, this step is only for you. If you have different sizes of the deck then skip the 6th step.
What happens if the number doesn't match on a lawn mower?
If the number doesn’t match, you have to face difficulties to replace the mower drive belt.
Can you use different drive belts?
Match the belt number before buying the belt. Don’t use other drive belts that are not suitable for your device. Using different drive belts can be dangerous for you.
