Contents

Table of Contents
Important Safety Information
- Safety at All Times
- Look for the Safety Alert Symbol
- Safety Labels
Introduction
- Application
- Using This Manual
- Owner Assistance
Section 1: Assembly & Set-Up
- Tractor Requirements
- Torque Requirements
- Dealer Assembly
  - DH10 & DH15 Series
  - DH25 Series
- Optional Equipment
  - Scrapers DH15 & DH25 Series Only
  - Center Sweep DH15 & DH25 Series Only
- Tractor Hook-Up
Section 2: Operating Instructions
- Operators Responsibilities
- Transporting
- Field Operation
- General Operating Instructions
Section 3: Adjustments
- Disc Angling
- Disc Gang Lateral Adjustment
  - Front Disc Gangs on DH10 Series
  - Front Disc Gangs on DH15 Series
  - Front Disc Gangs on DH25 Series
  - Rear Disc Gangs on DH10 Series
  - Rear Disc Gangs on DH15 Series
  - Rear Disc Gangs on DH25 Series
  - Disc Leveling Front To Rear
- Disc Blade Replacement
Section 4: Accessories
- Electric Spin Spreader
- Drag Harrow
- Seed Bed Roller
- Complete One Pass Seeding Application
Section 5: Maintenance
- General Maintenance Information
- Daily Operational Checks
- Lubrication
- Long-Term Storage
Section 6: Specifications & Capacities
Section 7: Features & Benefits
Section 8: Troubleshooting
Section 9: Torque Values Chart
Section 10: Warranty
- Lubrication Points
  - Flange Bearing

Kubota DH1048 Operator's Manual

Pages 36

Year 2021

Language(s)

of 36

Kubota DH1048 Harrow Specification

The Kubota DH1048 Harrow is a robust and efficient agricultural implement designed to enhance soil preparation and improve seedbed quality. Engineered for versatility and durability, it is suitable for a variety of farming applications, ensuring optimal performance in diverse soil conditions. The harrow features a working width of 48 inches, making it ideal for medium to large-scale operations, and is compatible with tractors equipped with Category 1 three-point hitches, facilitating easy attachment and detachment.

Constructed with high-strength steel, the DH1048 offers exceptional resistance to wear and tear, ensuring longevity even under demanding usage. The harrow is equipped with notched disc blades that measure 18 inches in diameter, strategically arranged to provide maximum soil penetration and effective clod breaking. These discs are mounted on maintenance-free sealed bearings that reduce downtime and enhance operational efficiency.

The adjustable gang angles, ranging from 0 to 20 degrees, allow operators to customize the aggressiveness of the tillage according to soil conditions and crop requirements, thereby optimizing soil aeration and residue management. The DH1048 also incorporates a weight tray, enabling users to add additional weight for improved soil penetration in tougher terrains.

For ease of transport and storage, the harrow includes a sturdy frame with a compact design. It is backed by Kubota's commitment to quality and reliability, supported by an extensive dealer network for service and parts availability. Designed to deliver consistent performance, the Kubota DH1048 Harrow is a valuable tool for farmers looking to enhance their tillage practices and achieve better crop yields.

Kubota DH1048 Harrow F.A.Q.

What is the recommended maintenance schedule for the Kubota DH1048 Harrow?

The recommended maintenance schedule includes checking and tightening all bolts and nuts every 50 hours of operation, lubricating all moving parts as per the manual every 25 hours, and inspecting the tines for wear and damage before each use.

How do I adjust the tine angle on the Kubota DH1048 Harrow?

To adjust the tine angle, loosen the bolts on the tine adjustment brackets, rotate the tines to the desired angle, and then retighten the bolts securely. Refer to the operator's manual for specific angle recommendations based on soil conditions.

What should I do if the Kubota DH1048 Harrow is not penetrating the soil properly?

Ensure that the tines are not worn out and that they are set to the correct angle for your soil type. Check the weight distribution and add additional weights if necessary for better penetration.

How can I replace a broken tine on the Kubota DH1048 Harrow?

To replace a broken tine, first ensure the harrow is on a stable surface. Remove the bolt securing the tine, replace it with a new tine, and secure it with the bolt. Make sure all tines are of equal length and properly aligned.

What type of lubricant should be used for the moving parts of the Kubota DH1048 Harrow?

Use a high-quality, multi-purpose grease specified in the operator’s manual. Apply it to all moving joints and points as indicated to ensure smooth operation and longevity.

Why is my Kubota DH1048 Harrow making unusual noises during operation?

Unusual noises can result from loose bolts, worn tines, or insufficient lubrication. Check and tighten all bolts, inspect tines for wear and replace if necessary, and ensure all moving parts are well-lubricated.

How do I safely store the Kubota DH1048 Harrow when not in use?

Clean the harrow thoroughly to remove soil and debris. Store it in a dry, sheltered place to prevent rust. If possible, elevate the tines off the ground to prevent bending or damage.

Can the Kubota DH1048 Harrow be used on rocky soil?

While the harrow can handle some rocky conditions, excessive rocks can damage the tines. It's recommended to remove large rocks from the field before using the harrow to prevent damage.

How do I ensure optimal performance of the Kubota DH1048 Harrow?

Regularly check and maintain the harrow according to the manual, adjust the tines based on soil conditions, and operate it at the recommended speed to ensure the best performance.

What are common signs of wear and tear on the Kubota DH1048 Harrow?

Common signs include worn or bent tines, loose bolts, and rust on metal parts. Regular inspection and maintenance can help identify and address these issues early.