1. Product Overview
The MMS Quick Change Hitch and 31.5"/800mm No Teeth Flat Backhoe Bucket kit is designed to enhance the versatility and efficiency of 0.8-1.8 ton mini excavators. This attachment package allows for quick and easy replacement of various excavator tools, making it ideal for tasks such as material handling, land leveling, and ditch dredging.
Figure 1.1: MMS Quick Change Hitch and 31.5"/800mm Flat Backhoe Bucket.
2. Specifications
Detailed specifications for the MMS Quick Change Hitch and Flat Backhoe Bucket are provided below:
| Component | Specification |
|---|---|
| Material | High-quality Manganese Steel |
| Finish Type | Powder Coated |
| Item Weight | Approximately 85 lbs (total package) |
| Vehicle Service Type | Mini Excavator (0.8-1.8 Tons) |
| Quick Change Hitch Span Distance | 93 mm / 3.66 in |
| Quick Change Hitch Hole Diameter | 25 mm / 0.98 in |
| Quick Change Hitch Center Wheelbase | 88 mm / 3.46 in |
| Flat Backhoe Bucket Span Distance | 90 mm / 3.54 in |
| Flat Backhoe Bucket Hole Diameter | 25 mm / 0.98 in |
| Flat Backhoe Bucket Center Wheelbase | 88 mm / 3.46 in |
| Bucket Width | 31.5 inches / 800 mm |
Note: A tolerance of 1-3 mm is acceptable for all measurements due to manual production processes.
3. Setup and Installation
Proper installation of the Quick Change Hitch and Flat Backhoe Bucket is crucial for safe and efficient operation. Ensure your mini excavator is turned off and secured before beginning installation.
3.1 Quick Change Hitch Installation
- Verify Compatibility: Before installation, confirm that the Quick Change Hitch dimensions (span distance, hole diameter, center wheelbase) are compatible with your mini excavator's arm.
- Align Hitch: Position the Quick Change Hitch to align with the excavator's arm pins.
- Insert Pins: Carefully insert the provided Mini Excavator Pins through the corresponding holes to secure the hitch to the excavator arm. Ensure pins are fully seated and secured with retaining clips or bolts if applicable.
Figure 3.1: Illustration of Quick Change Hitch attachment to an excavator arm.
3.2 Flat Backhoe Bucket Attachment
- Engage Quick Hitch: With the Quick Change Hitch installed, align the Flat Backhoe Bucket's mounting points with the hitch's engagement mechanism.
- Secure Bucket: Engage the quick hitch locking mechanism to firmly secure the bucket. Refer to your quick hitch's specific locking procedure to ensure it is properly latched.
- Final Check: Before operation, visually inspect all connections to ensure the bucket is securely attached and there is no excessive play.
Figure 3.2: Dimensions of the 31.5"/800mm Flat Backhoe Bucket.
4. Operating Instructions
The MMS Quick Change Hitch and Flat Backhoe Bucket are designed for various earthmoving and leveling tasks. Always operate your mini excavator according to its manufacturer's guidelines and safety procedures.
4.1 Intended Use
- Land Leveling: The flat edge of the bucket is ideal for smoothing and grading surfaces.
- Ditch Dredging: Efficiently clean and shape ditches without damaging the base.
- Material Handling: Move loose materials such as soil, sand, or gravel.
- Slope Shaping: Create uniform slopes and contours.
Figure 4.1: Examples of wide applications including trench filling, material handling, housing demolition, and slope shaping.
4.2 Operational Tips
- Smooth Movements: Use smooth and controlled movements of the excavator arm to achieve precise grading and leveling.
- Load Capacity: Do not exceed the lifting or digging capacity of your mini excavator.
- Visibility: Always maintain clear visibility of the work area and the bucket.
Figure 4.2: Mini excavator demonstrating operation with the flat backhoe bucket.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your MMS attachments.
- Daily Inspection: Before each use, inspect the quick hitch and bucket for any signs of wear, cracks, or damage. Check all pins and locking mechanisms for security.
- Cleaning: After use, clean off any accumulated dirt, mud, or debris from the bucket and hitch. This prevents corrosion and ensures smooth operation.
- Lubrication: Lubricate all moving parts, pins, and pivot points on the quick hitch and bucket according to your excavator's maintenance schedule or as needed to prevent friction and wear.
- Storage: Store attachments in a dry, protected area to prevent rust and environmental damage when not in use.
6. Troubleshooting
This section addresses common issues you might encounter with your MMS Quick Change Hitch and Flat Backhoe Bucket.
| Problem | Possible Cause | Solution |
|---|---|---|
| Attachment does not fit excavator arm. | Incorrect dimensions or model incompatibility. | Verify the quick hitch and bucket dimensions against your excavator's specifications. A tolerance of 1-3 mm is acceptable. If significantly off, contact support. |
| Quick hitch not locking securely. | Debris in mechanism, worn parts, or improper alignment. | Clean the locking mechanism. Inspect for worn or damaged components. Ensure proper alignment before attempting to lock. Lubricate moving parts. |
| Excessive wear on bucket edge. | Abrasive material, prolonged use, or improper operating angle. | Ensure proper operating techniques. While made of durable manganese steel, all components are subject to wear over time. Consider replacement if wear affects performance. |
7. Warranty and Support
MMS is committed to providing quality products and customer satisfaction.
7.1 Returns Policy
This product is eligible for a 30-day easy returns policy. Please refer to your purchase platform for detailed return instructions and conditions.
7.2 Customer Support
For any questions, technical assistance, or support regarding your MMS Quick Change Hitch and Flat Backhoe Bucket, please contact MMS Customer Support through the vendor's contact information provided at the time of purchase. Our professional sales and maintenance teams are ready to provide consultation and after-sales support.
