Garden & OutdoorGuide

How to Tighten Drive Belt on Husqvarna Riding Mower – Easy DIY Tips

Do you have a large lawn? If yes, then you must be looking for a lawnmower to cut or trim the grass. There are undoubtedly many options available in the market, but among all, Husqvarna riding mower can be the most suitable option. It can make your large lawn look beautiful and eye-catching. If you have already bought the Husqvarna riding mower, then you will frequently require its maintenance. In this article, we will give you easy DIY of how to tighten the drive belt on Husqvarna riding mower. But, before we go for it, let us first the parts and functions of the Husqvarna riding mower.

Husqvarna Riding Mower

Husqvarna Riding MowerA Husqvarna riding mower consists of different parts. Among them, the Husqvarna mower belt plays an essential role in the functioning of the riding mower. It goes around the engine and the drive wheels. The belt transfers the power generated from the engine to the wheels. Hence, the mower belt controls the movement of the blades of the mower.

Now think if a problem arises and the belt gets loosen? Then what? It might create a big problem. Right? If the belt is loose, then the mower will not move. The blades will become still and won’t work. For the blades to start moving, the tightening of the belt is necessary.

Again the question arises on how to tighten or adjust the belt tension on the riding lawnmower.

Let’s now go for the step-by-step guide on how to adjust the belt tension or tighten the drive belt on a Husqvarna riding mower.

Husqvarna Drive Belt Installation

Husqvarna Drive Belt InstallationThe installation of the Husqvarna mower belt is done on the mower deck. The mower deck comprises two pulleys of each, mandrel and idler, and one electric clutch pulley. Firstly the mower belt should be routed around mandrel pulleys, then idler pulleys, and lastly, around the electric clutch pulley. Before starting the device, one should recheck twice whether the belt is routed correctly in all the pulley grooves or not. If the belt is not properly routed, then it might cause slack, and result in a drive belt slipping. Hence, to avoid accidents or damage to the machine, it is very much necessary to tighten the mower belt.

Tighten The Drive Belt on Husqvarna Riding Mower

Tighten The Drive belt on Husqvarna riding mowerThe process of tightening the drive belt on the Husqvarna riding mower is simple and easy. Before moving forward with the tightening of the drive belt, keep the required tools ready. Only two tools, plier and wrench, are needed to adjust the riding lawn mower’s belt tension.

How to Tighten Drive Belt on Husqvarna Riding Mower?

Following is the step-by-step guide on how to tighten the drive belt of the Husqvarna riding mower.

Step 1: Parking Your Riding Lawn Mower

The blades will not be working as the drive belt has become loose. So the first thing you need to do is park your lawnmower on a flat surface to smoothen the process of repairing. Next, press the brake pedal on the left, and bring the mower on parking mode.

Step 2: Switching Off the Engine

Once you have parked the mower, now the second step is to switch off the engine. Disconnect the spark plug wires from the battery so that you don’t get an electric shock.

Step 3: Removing the Deck

Some models of the lawnmower have plastic or steel decks. For removing the patio, its clamp bolts have to be loosened, with the help of a wrench or plier. After you have removed the belt, you can have access to the belt.

Step 4: Locating the Belt

After removing the deck upwards, you will be able to see a black color belt, also called a drive belt, made of rubber. This belt rotates around the engine of the machine and the drive wheels. These belts are usually V-belts that move from the front motor pulley to transmission.

Step 5: Finding the Bracket

Once you have located the belt, you will be able to see the spring. The spring is attached to the mower’s main body with the help of a bracket and screws. 

Step 6: Loosening the Cap Screws

Using the wrench, loosen the cap screws by rotating in an anti-clockwise direction. Once the screws loosen, you will observe that the bracket, as well as the belt, are also loosened.

Step 7: Adjusting the Belt Tension of the Riding Lawnmower

After loosening, pull the bracket back and forth towards you and check the belt. You will observe that the belt gets tightened by adjusting the bracket. Once you feel that the belt is tightened, settle in that position and tighten the screws. Recheck whether the belt is tight or not after the screws are fitted.

Step 8: Replacing the Deck and Putting the Engine On

Previously if you have removed the deck, then reposition it. Reconnect the spark plug wire, and switch on the machine. Do check whether the lawnmower is working correctly or not.


Now you know how to tighten the Husqvarna riding mower belt. The process is simple to carry out by just following the steps provided above. Hopefully, now you will be able to adjust or tighten the mower belt. So start your machine and move your blades without worrying. And for any such queries and confusions, you know where to come! HERE! We are happy to help. Happy DIYs.

Susan M. Heckart

Hi, everyone! I'm Susan Heckart, an interior designer and photographer who loves learning about new home appliances and gadgets. In my blog posts, I aim to provide information to help others like me make the most of their homes. Whether reading articles in a cafe or exploring new design ideas, I'm always keen to learn more about how to make our homes more functional and beautiful. Thanks for following along!

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