CASE QuadTrac 620 Building Block Model Instruction Manual

1. Introduction

This manual provides detailed instructions for the assembly, setup, and operation of your CASE QuadTrac 620 building block model. This complex model is designed for enthusiasts aged 14 and above, featuring advanced remote control capabilities and realistic functions. The set contains 2869 parts and is powered by two Buwizz units.

The model is not intended as a toy for young children due to its complexity and numerous small parts.

2. Specifications

3. Assembly

The CASE QuadTrac 620 is a highly detailed and complex building block model. Assembly requires careful attention to the provided instructions. The complete instruction manual is available for purchase from rebrickable.com, which includes step-by-step visual guides.

Below are sample pages from the instruction manual to illustrate the level of detail:

Image: Sample pages from the instruction manual, illustrating detailed assembly steps.

3.1. Key Components

• The set includes 2869 parts for the tractor.
• It features 6 Power Functions motors: 2x L-motors, 3x M-motors, and 1x Servo motor.
• Two Buwizz units are integrated for remote control functionality.
• An optional Elmer HaulMaster 2000 grain trailer (1609 parts) can be attached, providing additional pneumatic functions.

4. Initial Setup

4.1. Buwizz Unit Installation and Charging

The Buwizz units are hidden under the hood of the tractor. To access them for charging or initial setup:

1. Carefully lift the front hood of the tractor.
2. Locate the two Buwizz boxes.
3. To turn on both Buwizz boxes, push the red lever clockwise.
4. Remove the front pump assembly to gain access to the micro USB charging ports. Each Buwizz unit has its own micro USB port.
5. Connect a micro USB cable (not included) to each port to charge the units.

Image: Accessing the Buwizz units and charging ports under the tractor's hood.

4.2. App Installation and Pairing

Control the tractor using the Buwizz App on your smartphone. A prepared profile for the CASE QuadTrac 620 is distributed with the instructions.

1. Download and install the Buwizz App from your device's app store.
2. Ensure both Buwizz units in the tractor are powered on.
3. Open the Buwizz App and select the prepared profile for the CASE QuadTrac 620.
4. Follow the in-app instructions to connect and pair your smartphone with the Buwizz units.

Image: Using the Buwizz App to control the tractor.

5. Operation

The CASE QuadTrac 620 features several realistic functions controlled via the Buwizz App.

5.1. Driving and Steering

The tractor is composed of two articulated parts, allowing for realistic steering. The control profile in the Buwizz App includes sliders for precise movement and steering.

Image: The tractor demonstrating its articulated steering.

5.2. Speed Modes

The control profile includes a button to switch between four speed modes: SLOW, NORMAL, FAST, and LUDICROUS, allowing for versatile operation on different surfaces.

5.3. Realistic Features

• Ladder Mechanism: A unique function allows the side ladder to move away from the track's path when steering left, preventing interference.
• Cabin Suspension: The driver's cabin has its own independent suspension for a realistic feel.
• Rotatable Seat: The driver's seat can rotate for better access and playability.
• Terrain Adaptation: The tracks are designed to copy and adapt to uneven terrain, providing excellent traction.

Video: Demonstration of the tractor's functions, including steering, speed modes, ladder mechanism, and terrain adaptation.

5.4. Trailer Compatibility (Elmer HaulMaster 2000)

The tractor is prepared to provide three RC functions for optionally attached equipment. The Elmer HaulMaster 2000 grain trailer is a compatible accessory that utilizes two pneumatic circuits from the tractor.

1. Support Leg: One pneumatic function controls the trailer's support leg, allowing it to be raised or lowered.
2. Grain Conveyor: The other pneumatic function is used to extend and retract the grain conveyor on the trailer.

Image: The CASE QuadTrac 620 tractor with the Elmer HaulMaster 2000 grain trailer attached.

6. Maintenance

6.1. Battery Charging

Regularly charge the Buwizz units using the micro USB ports located under the hood. Ensure the units are fully charged before extended use to maintain optimal performance.

6.2. Cleaning

To clean the model, use a soft, dry cloth. Avoid using water or harsh chemicals, as these can damage the electronic components and plastic parts.

7. Troubleshooting

• Model not responding to app: Ensure both Buwizz units are powered on and properly paired with the app. Check battery levels.
• Tracks not moving smoothly: Inspect tracks for any obstructions or misaligned links. Ensure all motors are correctly connected.
• Pneumatic functions not working: Verify that the pneumatic circuits are correctly connected and free from kinks. Check for any air leaks.

8. User Tips

• For the best experience, ensure your smartphone's Bluetooth is enabled and stable when controlling the model.
• When assembling, pay close attention to the gear alignments, especially for the articulated steering, to ensure smooth operation.
• Consider purchasing the official stickers to add an extra layer of realism and detail to your model.

9. Support & Additional Resources

For detailed assembly instructions and to purchase official stickers for your CASE QuadTrac 620 model and the Elmer HaulMaster 2000 trailer, please visit the designer's page on rebrickable.com.

This model is a complex build, and the best way to support its creator is by purchasing the instructions directly from them.