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Watson & Sons 520DUN user manual Rotor removal, Rotor replacement

Models: 520DUN

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Rotor removal

￿Remove any tubing from the pumphead.

￿Open the flexible rotor cap in the centre of the rotor.

￿Undo and withdraw the central locating screw using a slotted screwdriver.

￿Pull the rotor hub off its dogged shaft.

￿Between the hub and the shaft is a split collet. If the collet is retained by the shaft, pull it off, loosening it if necessary by tapping it lightly. Avoid levering it off using a screwdriver or other tool. If the collet is retained within the hub, remove it, loosening it if necessary by reinserting the central locating screw a turn or two and tapping the screw head lightly.

Rotor replacement

￿Re-locate the split collet onto the drive shaft, rotating it until it fully engages the dog. Fit the rotor body over the drive shaft.

￿Open the flexible rotor cap in the centre of the rotor. Use a slotted screwdriver to tighten the central locating screw to a torque of 3Nm (2.2 lb-ft) to prevent collet slip during operation. When fitted correctly, the tube guide rollers should align with the outer face of the track. Close the flexible rotor cap.

￿Close the guard and ensure that the rotor is clear of the guard by observing the first few rotor rotations.

Watson-Marlow 520DuN IP66/NEMA 4X User Manual

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Page 82
Image 82
Watson & Sons 520DUN user manual Rotor removal, Rotor replacement
Page 81 Page 83

520DUN specifications

Watson & Sons 520DUN is a state-of-the-art model that has garnered attention for its exceptional performance and innovative technologies. Designed for agricultural applications, this machine combines durability, efficiency, and ease of use, catering to the needs of modern farmers.

One of the standout features of the 520DUN is its robust engine. Equipped with a high-performance diesel engine, it offers impressive horsepower, allowing it to handle a variety of demanding tasks with ease. This engine is designed for fuel efficiency, ensuring that operators can complete their work without frequent refueling. The powertrain is complemented by an advanced transmission system that enables smooth gear shifts, enhancing operator comfort during long hours of operation.

The 520DUN also boasts a remarkable load capacity, making it an ideal choice for transporting heavy materials. Its rugged build quality ensures that it can withstand the rigors of daily use, providing a reliable solution for farmers and contractors alike. The robust chassis and reinforced components were designed to maintain stability and control, especially when navigating uneven terrain.

Incorporating cutting-edge technologies, the Watson & Sons 520DUN features precision farming capabilities. With GPS integration, operators can efficiently manage their fields, optimizing planting and harvesting processes. This technology not only increases yield but also minimizes inputs, making farming more sustainable and economically viable.

User ergonomics were a significant consideration in the design of the 520DUN. The operator's cabin is spacious and well-equipped with intuitive controls, providing a comfortable working environment. Operators will appreciate the advanced display panel that offers real-time data on performance metrics, fuel consumption, and maintenance reminders. This allows users to keep the machine in peak condition and react to any issues promptly.

Safety is also paramount in the design of the 520DUN. It features reinforced safety measures, including roll-over protection systems and visibility enhancements, ensuring operator safety during operations.

In summary, the Watson & Sons 520DUN represents the pinnacle of agricultural machinery with its powerful engine, remarkable load capacity, precision technology, and ergonomic design. It is tailored for those who seek reliability and efficiency in their agricultural endeavors, making it a noteworthy choice in today's competitive market.