New AGT Midget Excavator: Common Issues and Solutions

[MikePhua]

Purchasing a new mini-excavator like the AGT Midget can be an exciting yet challenging experience, especially for those who are new to operating such machines. Like all equipment, new excavators may come with a few issues that need addressing to ensure smooth operation. One common complaint from new AGT Midget owners is jerky or inconsistent control responses. Below is a discussion of some common problems new owners may face, including jerky control issues, and practical solutions to improve performance.
Common Issues with the AGT Midget Excavator

1. Jerky Controls
   One of the most frequent complaints from new owners of the AGT Midget excavator is jerky or erratic controls, especially during fine movements such as digging or grading. This problem is often caused by issues in the hydraulic system or the control levers. Operators may notice that when they try to make slow, precise movements, the machine responds in a jerky manner.
   Solution:
   • Hydraulic Fluid Check: Low or dirty hydraulic fluid can cause inconsistent control responses. Ensure the hydraulic oil is at the correct level and is clean. Regularly change the hydraulic fluid as per the manufacturer’s recommendations to keep the system running smoothly.
     
   • Adjust the Control Sensitivity: Some mini-excavators have adjustable control sensitivity. If your AGT Midget has this feature, you may need to fine-tune the control levers to make the movements smoother.
     
   • Check for Air in the System: Air in the hydraulic system can cause jerky movements. Bleeding the system may resolve the issue by removing air pockets that disrupt fluid flow.
     
2. Slow or Weak Hydraulic Response
   Another issue that some owners report is a slow or weak hydraulic response when the machine is under load. This can lead to reduced digging power and slower operation, making it harder to perform tasks effectively.
   Solution:
   • Hydraulic Fluid Level: Ensure that the hydraulic fluid is at the proper level. A low fluid level can cause the hydraulics to underperform.
     
   • Inspect Hydraulic Lines for Leaks: Leaking hydraulic lines can reduce system pressure and cause weak performance. Check all hydraulic lines for visible leaks or damage.
     
   • Replace Filters: Clogged hydraulic filters can also affect performance. Replace the hydraulic filters as recommended in the maintenance schedule.
     
3. Uneven Digging or Poor Performance in Specific Conditions
   Some users report that their AGT Midget excavator struggles with uneven digging, particularly in certain soil types or when working on slopes. This could be a result of improper machine balancing or lack of power in certain hydraulic functions.
   Solution:
   • Check the Track Tension: Ensure that the tracks are properly tensioned. Uneven track tension can lead to poor performance, particularly on slopes or uneven ground.
     
   • Examine the Blade and Bucket: Sometimes, digging performance can be impacted by worn-out or improperly adjusted blades and buckets. Ensure the bucket teeth are sharp, and the blade is in good condition for optimal performance.
     
4. Control Levers Sticking or Not Responding Properly
   Another common issue with the AGT Midget excavator is control levers that either stick or do not respond as expected. This can make the machine difficult to operate and may slow down productivity.
   Solution:
   • Lubricate Control Linkages: If the control levers are sticking, it could be due to a lack of lubrication in the control linkages. Apply a suitable lubricant to the linkages and test the controls to ensure smooth movement.
     
   • Check for Cable or Lever Misalignment: Misaligned cables or levers can cause inconsistent control responses. Inspect the control system for any misalignments or loose parts and adjust them as necessary.
     
5. Excessive Noise or Vibration
   Some new owners have noted excessive noise or vibration coming from the engine or hydraulic system. This can be distracting and may even indicate a mechanical issue.
   Solution:
   • Check Engine Mounts: Worn or loose engine mounts can cause excessive vibrations. Inspect the engine mounts and replace any worn or damaged parts.
     
   • Examine Hydraulic Pump: The hydraulic pump could be making noise if it’s not functioning correctly or if it’s overworked. Check the pump for signs of wear or damage and replace it if necessary.
     

General Tips for AGT Midget Excavator Owners

1. Regular Maintenance:
   Like all machinery, regular maintenance is key to keeping the AGT Midget excavator in top condition. Follow the manufacturer’s maintenance schedule for oil changes, hydraulic fluid checks, filter replacements, and general inspections to ensure smooth operation.
   
2. Proper Training:
   Even with the best equipment, the operator's skill and understanding of the machine are essential for smooth performance. If you are a new operator, consider taking training courses to understand the machine's controls, operation techniques, and maintenance procedures.
   
3. Operate Within Limits:
   Always operate the excavator within its rated capacities. Overloading the machine or pushing it beyond its limits can lead to premature wear and tear, or worse, mechanical failure.
   
4. Check for Wear and Tear:
   Regularly inspect the machine for signs of wear, such as cracks in the frame, hydraulic line wear, or excessive play in the tracks. Catching small issues early can prevent larger problems down the road.
   

Conclusion
The AGT Midget excavator is a compact and powerful machine, but like any piece of machinery, it can experience issues from time to time. Jerky controls, weak hydraulic responses, and control lever issues are some of the more common complaints new owners may face. However, with proper maintenance, adjustments to the hydraulic system, and some fine-tuning of the controls, many of these issues can be resolved. By staying on top of routine maintenance and addressing issues promptly, you can maximize the performance and longevity of your AGT Midget excavator.