1. Introduction and Overview
Thank you for choosing the MOC-141021 Lift HL180 Hook Loader Building Block Model. This 1301-piece set allows you to construct a detailed and functional hook loader model, compatible with other small building blocks. Designed for enthusiasts aged 14 and above, this model provides an engaging and rewarding building experience. The components are made from environment-friendly ABS plastic, ensuring durability and safety.
2. Specifications
| Feature | Detail |
|---|---|
| Model Number | MOC-141021 |
| Number of Pieces | 1301 |
| Material | ABS Plastic |
| Block Size | Small building block (Compatible with Lego) |
| Plastic Block Shape | Self-Locking Bricks |
| Recommended Age | 14+ years, 18+ years |
| Certification | CE (Certificate Number: U00807210924419-1E) |
| Origin | Mainland China |
| Package Weight | 1.9 kg |
| Package Dimensions (L x W x H) | 20 cm x 20 cm x 20 cm |
| Electric Components (Optional) | Lithium Battery, Motor (parts 99499, 58120) |
3. Package Contents
Your package should contain the following items:
- 1301 pieces of building blocks for the MOC-141021 Lift HL180 Hook Loader model.
- All parts are new and sealed in a bag (no original box).
- Specific hub tires replace standard parts 56908 and 61480.
- Note: This set does not include stickers.
- If you selected the 'With motor' option, motor components (approx. 1x 99499, 1x 58120) and a lithium battery will be included.
Important: The detailed instruction manual will be sent to you as a PDF via email. Please ensure you provide your email address after completing your purchase to receive it.

Figure 1: Overview of pieces and optional motor components.
4. Assembly and Setup
Follow the step-by-step instructions provided in the PDF manual sent to your email address. General assembly tips are provided below:
- Preparation: Unpack all building blocks and sort them by type, color, or size as suggested in the manual. This will significantly speed up the assembly process.
- Follow Instructions: Carefully follow each step in the PDF instruction manual. Pay close attention to the diagrams and part call-outs.
- Part Identification: Refer to the part list in the manual to correctly identify each piece. Note that hub tires replace specific parts (56908+61480) as mentioned in the package contents.
- Motor Integration (if applicable): If your model includes a motor, integrate it according to the specific steps in the manual. Ensure all connections are secure.
- Testing: After completing sections, test any movable parts or mechanisms to ensure they function correctly before proceeding.

Figure 2: Side view of the assembled Hook Loader chassis.

Figure 3: Rear view of the assembled Hook Loader chassis.

Figure 4: Front/side view of the assembled Hook Loader chassis.
5. Operation
The MOC-141021 Hook Loader is designed to simulate the functionality of a real hook loader, allowing you to attach, lift, and lower containers.
- Attaching a Container: Position the hook loader chassis in front of a container. Align the hook mechanism with the container's attachment points.
- Lifting the Container: Engage the lifting mechanism. If your model includes a motor, activate it to raise the container onto the chassis. If manual, operate the gears or levers as instructed in the PDF manual.
- Lowering the Container: To detach, reverse the lifting process. Carefully lower the container to the ground using the mechanism.

Figure 5: Hook Loader with yellow container attached.

Figure 6: Hook Loader with orange container attached.

Figure 7: Hook Loader with both yellow and orange containers.

Figure 8: Container being lifted by the Hook Loader.

Figure 9: Container being lowered by the Hook Loader.
6. Maintenance
- Cleaning: To clean your model, gently wipe it with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the assembled model or individual blocks in a cool, dry place away from direct sunlight to prevent material degradation or discoloration.
- Disassembly: If disassembling, do so carefully to avoid damaging the connection points of the blocks.
7. Troubleshooting
- Missing Parts: In case of any missing parts, please contact the seller directly for a free replacement service.
- Assembly Difficulties: If you encounter difficulties during assembly, refer back to the PDF instruction manual. Double-check each step and the orientation of the blocks.
- Motor Not Functioning (if applicable): If the motor does not work, ensure the lithium battery is correctly installed and charged. Check all electrical connections as per the manual.
- Loose Connections: If parts feel loose, ensure they are fully pressed together. Building blocks require firm connections for stability.
8. User Tips
- Instruction Manual: Remember to provide your email address after purchase to receive the PDF instruction manual. This is essential for assembly.
- Part Substitutions: Be aware that the hub tires in this set are specific replacements for parts 56908 and 61480.
- No Stickers: This model does not include stickers, so plan accordingly if you wish to add custom detailing.
- Sorting: Before starting assembly, sort your pieces. This can save a lot of time and frustration during the build.
9. Safety Information
- Choking Hazard: This product contains small parts and is not suitable for children under 3 years of age due to potential choking hazards. Recommended age is 14+.
- Chemical Warning: WARNING: This product can expose you to chemicals including phthalates (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
- Do Not Eat: The building blocks are not edible. Do not put them in your mouth.
- Adult Supervision: Adult supervision is recommended for younger builders.
10. Warranty and Support
While specific warranty periods are not provided, the seller offers a free missing part replacement service. If you encounter any issues with your product, including missing pieces or assembly questions, please contact the seller directly for assistance.