Exmark Commercial 30 Problems

Exmark Commercial 30 is also a well-established brand in the current market and gaining its popular tea among landscapers, farmers, and gardeners. However, the Exmark Commercial 30s is also not without problems like any other mower or machine with mechanical components.

Aging causes common Exmark Commercial 30 problems that include vibration, mulching, engine failure, etc. Therefore it is essential to learn what you will encounter in the future if any of the components fail.

We will also learn how to identify this problem and repair your mower on time. You are bound to encounter one of these Exmark Commercial 30 problems if you have a mower from any company.

Learning this problem will keep you ahead of any setbacks. Read on to learn about the Exmark Commercial 30 problems and solutions.

You’re reading Exmark Commercial 30 Problems.

Exmark Commercial 30 Problems

Exmark Commercial 30 Engine Starts Hard Or Fails

Fuel-Related Issues: if your Exmark Commercial 30 fuel tank is empty, no doubt your Exmark Commercial 30 engine will start very hard or even fail. It is essential to make sure the fuel shut-off valve is also open when you are trying to start your mower.

If the fuel is empty or insufficient, don’t mind restoring the adequate amount of energy. If the power is contaminated with dirt, water, or debris, replace it with the new one.

Other than this, any ground in the fuel system or filter will also cause the Exmark Commercial 30 engine to start hard. Therefore, it is essential to pay close attention to the proper and regular maintenance of your Exmark Commercial 30 to keep its components dirt-free and debris free.

If the fuel is old, it will degrade over time and leave residue in time that might cause the problem. The ethanol deposit should be cleared out; if the fuel tank looks terrible, you will have to replace it with the new one.

Other Problems: Keep the throttle choke engine stop control in the correct position according to the user manual when you start your mower, or it will fail. If you only create the engine to hear it sputtering and die, there might be a faulty spark plug.

If this is the case, you should replace this spark plug. If this is not the issue, maybe its wire needs to be connected or repaired. If the wire is damaged, replace it. Otherwise, repair the slug spark plug wire.

Engine Loses Power.

Dirty air cleaner.If any air cleaner element is filled with dirt, clean it if it looks deplorable.
Plugged vent hose.Either replace or clean it as required.
Insufficient crankcase oil level. Make sure to restore adequate fuel in the crankcase oil system to power the engine.
Dirty fuel filter. It is essential to pay close attention to fuel filter maintenance. If it is filled with dirt, clean it.
Old fuel.It would help if you only used energy that is 30 days old. Make sure to replace the stale fuel with the new one that your manufacturers recommend.
Exmark Commercial 30 Problem

The engine Runs Rough.

If your Exmark Commercial 30 engine is sputtering a lot or running rough, there might be a fall with the spark plug or its wire. A degraded air filter element may also cause the issue by restricting the proper airflow. Here are a few things to check and troubleshoot your Exmark Commercial 30 if running rough.

  • If this spark plug is faulty, you will need to change it. A faulty spark plug not replaced will also affect other Exmark Commercial 30 components.
  • If this spark plug wire is not connected, connect it first.
  • If the air filter element is dirty, it might stop or restrict the proper amount of airflow that an Exmark Commercial 30 needs to run smoothly. If your Exmark Commercial 30 is rough, don’t mind cleaning the air filter. If the air filter looks deplorable, you need to replace it.
  • Dirty fuel filters can also interfere with your Exmark Commercial 30 engine. If the fuel filter is dirty, either clean it or replace it as required.
  • If you need to learn how to throttle choke engine control to the fast position, your Exmark Commercial 30 will run rough. Make sure it is in a quick job.

Exmark Commercial 30 Vibrates Excessively.

  1. Loose Pulley. If your Exmark Commercial 30 engine pulley, blade Pulley, or idler pulley is open, it will interfere with your Exmark Commercial 30 operation. Don’t mind inspecting these pulleys; if any are found faulty, replace them with new ones. Losing a pulley will make the engine vibrate excessively.
  2. Loose Bolt. Look at the engine mounting bolts to see if the pulleys are fine and tight. If your machine is vibrating, tightening the bolts may resolve all the issues.
  3. Bent Spindle. Another reason your Exmark Commercial 30 engine vibrates a lot could be its blade spindle is bent. If this is the case, replace it entirely to solve the issue.
  4. Faulty Belt. If your Exmark Commercial 30 deck belt is faulty or loose, it will vibrate significantly. If this is the case, installing a new belt will do the trick.
  5. Imbalanced Blade. If the blade is out of balance, re-balance it or reinstall it. Take the help of the user manual you receive with the Exmark Commercial 30.
  6. Deck Underside Has Debris. If any of the above five fixes doesn’t resolve the issue, check your Exmark Commercial 30 underside for stuck debris or grass clippings. Sometimes, poor maintenance results in the accumulation of debris underneath the Exmark Commercial 30.
  7. Bent Blade. Make sure to lose the tension to move out blades. You will need to replace it if it needs to be fixed or corrected due to excessive usage. Besides this, ensure the blade mounting bolt is fit and tight.

Uneven Cutting Pattern.

In most cases, inadequate tire pressure results in an uneven cutting pattern from an Exmark Commercial 30. If your Exmark Commercial 30 is not delivering the expected results, check the underside of its deck for any debris.

Suppose there is, sure to clean it. Other than this, if the four wheels are not at the same height, re-adjust. No doubt that dull blades can be the primary cause of uneven cutting patterns. If the blade deteriorates, it might cause an issue.

If its spindle is bent, it might also need replacement. It is essential to sharpen and balance the blade properly for effective grass mulching. Any operator errors, like repeatedly moving in the same pattern, will also result in uneven cutting patterns.

If this is the case, make sure to learn how to use a mower or an Exmark Commercial 30 using its manual.

Exmark Commercial 30 Discharge Chute Plugs.

There can be primary reasons for discharge chute plugs, but here we will discuss the five most common causes and their solution.

  1. If you are cutting too much long grass in one pass, stop it. It is recommended first to raise the cutting height and then mulch grasses. If necessary, you can cut it a second time but now, at the lower cutting height.
  2. If the throttle choke engine stops control and is not engaged or in the closed position, it will result in discharging of chute plugs. If this is the case, move the power to the fast part.
  3. Using your Exmark Commercial 30 too fast or mowing too quickly will also result in this charge chute plug. Make sure to slow down a bit.
  4. If you use an Exmark Commercial 30 on wet grass, don’t do it. It is essential to allow the grass to dry before using an Exmark Commercial 30 on it.
  5. If the Deck underside contains any grass clipping, clean it. Debris stuck in it may also cause the issue.

Exmark Commercial 30 Does Not Self-propel.

You damaged Self-propel Drive Cable. If the self-propel drive cable is damaged or out of adjustment, your Exmark Commercial 30 will not self-propel.

If this is the case, make sure to replace the line. If you need help adjusting or replacing it correctly, contact a technician or mechanic who can help you out.

Debris under the frame. Clean it.
Faulty belt.If the belt looks damaged or has any signs of wear or tear, replace it.
Exmark Commercial 30 Problem

Exmark Commercial 30 Blades Not Rotating 

BBC belt or timing belt is worn.Replace it.
Faulty BBC cable. Replace if necessary.
The BBC belt is off the pulley.It usually happens when the belt is worn out. Replace it if necessary.
Exmark Commercial 30 Problem

Exmark Commercial 30 Blades Contacting Each Other.

If your Exmark Commercial 30 blades are contacting each other, they may not be installed properly. Therefore, reinstall your Exmark Commercial 30 blade once again. If it doesn’t solve the issue, the edges may not be aligned properly.

Align it using the help of the Exmark Commercial 30 user manual. Other than this, if the blade adaptors are loose or broken, it might cause serious issues. Therefore, replace the blade adaptors once after 100 hours of usage.

If the timing belt is worn out, loose or broken, your Exmark Commercial 30 blades will interfere with each other.

Therefore retighten the blades and adjust the belt tension accordingly. If it needs replacement, do it. Other than this, I am okay with replacing its rockets or idler pulley if there is any sign of wear & tear.

Also Read: 7+ Classified Dr Brush Mower Problems


No doubts that mowers are of utmost necessity for anyone with a lawn. Even though it comes with some problems, they are easy to fix. If you have some experience fixing a mower, you can solve any minor issue of your Exmark Commercial 30 using its manual and this article.

After reading this article, you should be able to resolve any issue related to your Exmark Commercial 30. If you want a comfortable mower that will enhance your experience with its zero-turn feature, an Exmark Commercial 30 is the one.

Even though it will sometimes face some problems, these fixes are straightforward and cheap. You don’t have to worry if you cannot solve any problem with your Exmark Commercial 30. Call your local mechanic to get help.

You can also ask them for a price quote to fix the issue if you know what is causing the problem with your mower. I tried to give you all the information about Exmark Commercial 30 points.

If you like this article, do share. Your share will help many people learn about specific problems of this Exmark Commercial 30 that are easy to resolve but require patience, trials, and errors to troubleshoot any problem yourself. Do check our other articles on movers guide. See you in the following article, take care and goodbye. Exmark Commercial 30 Problems Explained!

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