Kubota RC4620 Operator's Manual

Pages 70

Year 2020

Language(s)

of 70

Kubota RC4620 Cutter Specification

The Kubota RC4620 Cutter is a robust rotary cutter designed for optimal performance in agricultural and landscaping applications. It is engineered for durability and efficiency, making it suitable for managing heavy vegetation and maintaining fields, roadsides, and pastures. The cutter features a cutting width of 60 inches, providing substantial coverage to enhance productivity, while its cutting height can be adjusted to accommodate various terrain and vegetation types. The RC4620 is equipped with a powerful gearbox that ensures reliable power transmission and withstands demanding operational conditions.

The cutter is constructed with a reinforced deck, crafted from high-strength steel, enhancing its resistance to impact and wear, which is crucial for prolonged usage under tough conditions. It includes a floating top link that allows the cutter to follow ground contours smoothly, reducing scalping and ensuring an even cut. The heavy-duty stump jumper provides additional protection against obstructions, minimizing potential damage to the blades and drivetrain.

Driven by a shear bolt or slip clutch protected PTO shaft, the Kubota RC4620 Cutter ensures safe and efficient power delivery from the tractor, reducing the risk of mechanical failure. It is compatible with a range of tractors, thanks to its standard Category I three-point hitch, offering flexibility in its application across various settings. The cutter’s design facilitates easy maintenance, with accessible service points that simplify routine inspections and servicing, thus extending the implement's lifespan.

Additionally, the Kubota RC4620 Cutter emphasizes operator safety and operational efficiency, incorporating safety guards and chains to prevent debris from being thrown during operation. This rotary cutter exemplifies Kubota’s commitment to quality and innovation, providing users with a reliable tool for effective land management.

Kubota RC4620 Cutter F.A.Q.

What are the initial steps to set up the Kubota RC4620 Cutter for operation?

Begin by reading the operator's manual thoroughly. Ensure all components are securely attached and check fluid levels, including oil and hydraulic fluids. Adjust the cutting height and check the blade sharpness before starting.

How do I troubleshoot uneven cutting with the Kubota RC4620 Cutter?

First, check the tire pressure to ensure they are inflated evenly. Inspect the blades for sharpness and damage. Verify that the deck is level and adjust if necessary.

What regular maintenance tasks should be performed on the Kubota RC4620 Cutter?

Regular maintenance includes checking and changing the engine oil, cleaning or replacing air filters, inspecting belts and blades, and lubricating moving parts. Follow the maintenance schedule in the manual for best results.

How can I safely replace the blades on the Kubota RC4620 Cutter?

Ensure the cutter is on a flat surface, and disconnect the spark plug for safety. Use a wrench to remove the blade bolts, then replace the blades, ensuring they are properly aligned and tightened.

What should I do if the Kubota RC4620 Cutter engine fails to start?

Check the fuel level and ensure the fuel is fresh. Inspect the spark plug for wear and replace if necessary. Ensure all safety switches are engaged and check for blockages in the air filter.

How do I adjust the cutting height on the Kubota RC4620 Cutter?

Locate the height adjustment levers on the cutter deck. Adjust each lever to the desired height, ensuring all sides are even to maintain a level cut.

What are the signs that the Kubota RC4620 Cutter's belts need replacement?

Signs include squealing noises during operation, visible wear or cracks on the belt, and reduced cutting performance. Inspect regularly and replace if any signs of wear are present.

Can the Kubota RC4620 Cutter be used on wet grass?

It is not recommended to cut wet grass as it can lead to uneven cuts and may cause clumping. Wet grass can also strain the engine and lead to slippage or damage to the cutter blades.

How do I clean the Kubota RC4620 Cutter after use?

After use, allow the cutter to cool down. Remove grass clippings from the deck and blades using a brush or air blower. Wipe down the exterior with a damp cloth and check for any debris or obstructions.

What should I check if the Kubota RC4620 Cutter vibrates excessively during operation?

Inspect the blades for damage or imbalance. Check that all bolts and nuts are tightened, and examine the belts for wear or damage. Excessive vibration can indicate a need for maintenance or repair.