1. Introduction
Thank you for choosing the Merax 3.0HP Foldable Incline Treadmill. This manual provides essential information for the safe assembly, operation, and maintenance of your new fitness equipment. Please read this manual thoroughly before first use and retain it for future reference.
This treadmill is designed for home use, offering a powerful 3.0HP motor for speeds between 1.0 and 8.0 MPH, a manual 15% incline, and a maximum user weight capacity of 300 lbs. Its compact and foldable design makes it suitable for various living spaces.

Image 1.1: The Merax 3.0HP Foldable Incline Treadmill in its operational state.
2. Safety Information
To ensure your safety and prolong the life of your treadmill, please observe the following precautions:
- Always consult with a physician before starting any new exercise program.
- Place the treadmill on a flat, stable surface with adequate clearance around it (at least 2 feet on sides and 6 feet behind).
- Keep children and pets away from the treadmill during operation.
- Wear appropriate athletic footwear and clothing.
- Use the safety key at all times. Attach the clip to your clothing before starting your workout. In case of an emergency, the safety key will immediately stop the treadmill.
- Do not operate the treadmill if it is damaged or malfunctioning.
- Do not exceed the maximum user weight capacity of 300 lbs.
- Unplug the treadmill from the power outlet when not in use or before cleaning and maintenance.
3. Package Contents
Carefully unpack the box and ensure all the following items are present:
- Merax 3.0HP Foldable Incline Treadmill (Main Unit)
- User Manual x 1
- Safety Key x 1
- Lubricant x 1 (Silicon Oil)
- Power Cord x 1
- Tool Kit (Includes Screw M8*16 x 2, Screw M5*12 x 2, Inner hexagon spanner 5 mm x 1, T-shaped knob x 1)
- Protective Covers x 2

Image 3.1: The Merax Treadmill in its folded state, illustrating its compact design for storage.
4. Setup and Assembly
The Merax Treadmill comes largely pre-assembled. Final assembly typically involves securing the handle bars and making minor adjustments.
- Unpacking: Carefully remove the treadmill from its packaging.
- Unfolding: Gently lift the console and handle assembly into the upright position. Secure it using the provided T-shaped knob or screws as indicated in the detailed assembly instructions within the included User Manual.
- Securing Handles: Use the provided screws (e.g., M8*16) and the inner hexagon spanner from the tool kit to firmly attach the handle bars.
- Placement: Position the treadmill on a level surface, ensuring sufficient space around it for safe operation.
- Power Connection: Plug the power cord into a grounded electrical outlet.
For a visual guide on assembly and folding, please refer to the video below:
Video 4.1: Official Merax video demonstrating the folding and incline features of the treadmill.

Image 4.2: The compact design of the Merax Treadmill, suitable for various users and even pets.
5. Operating Instructions
5.1 Console Overview

Image 5.1: The treadmill's display panel and control buttons.
The console features a 3-LED display that tracks Time, Speed, Distance, and Calories Burned. It also includes quick control buttons for speed, programs, and mode selection.
5.2 Starting a Workout
- Power On: Ensure the treadmill is plugged in and the main power switch (usually located near the front base) is turned on.
- Attach Safety Key: Clip the safety key to your clothing and place the magnetic end onto the designated area on the console. The treadmill will not operate without the safety key in place.
- Start: Press the START/PAUSE button to begin the treadmill belt movement. The treadmill will typically start at a low speed.
5.3 Adjusting Speed and Programs
- Speed Adjustment: Use the SPEED+ and SPEED- buttons to increase or decrease the belt speed.
- Quick Speed Buttons: For immediate speed changes, press the dedicated quick speed buttons (e.g., 2 MPH, 4 MPH, 6 MPH) on the console.
- Preset Programs: Press the P (Program) button to cycle through the 12 preset workout programs. Each program offers varying intensity levels.
- Pause Function: During a workout, press the START/PAUSE button to temporarily stop the belt while retaining your current workout data. Press it again to resume.
- Stop: Press the STOP button to end your workout.
5.4 Manual Incline Adjustment
This treadmill features a manual incline system. To adjust the incline:
- Stop the Treadmill: Ensure the treadmill is completely stopped and unplugged for safety.
- Locate Incline Pads: Identify the small orange foot pads located at the rear underside of the treadmill.
- Adjust Incline: Manually lift the rear of the treadmill and adjust the position of these pads to achieve the desired incline level, up to 15%. Ensure both pads are set to the same level for stability.
- Secure: Confirm the treadmill is stable before resuming use.

Image 5.2: Illustration of the manual incline adjustment feature for personalized workouts.
5.5 Folding and Storage
To fold the treadmill for storage:
- Stop and Unplug: Ensure the treadmill is off and unplugged.
- Release Locking Mechanism: Pull the knob outward to release the support column.
- Fold Down: Gently lower the console and handle assembly towards the running deck. Hold the support column securely while pressing it down. Do not release your grip until it is fully folded.
- Secure: Re-engage the knob or locking mechanism to secure the treadmill in its folded position.
- Move: Use the built-in wheels to easily move the folded treadmill for storage under a bed or sofa.

Image 5.3: The adjustable three-screen display for convenient viewing during workouts.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your Merax Treadmill.
- Cleaning: Wipe down the treadmill surfaces with a damp cloth after each use to remove sweat and dust. Avoid using abrasive cleaners.
- Lubrication: The running belt requires periodic lubrication to reduce friction and wear. Use the provided silicon oil. Refer to the detailed instructions in your included User Manual for the correct lubrication procedure and frequency (typically every few months depending on usage).
- Belt Tension and Alignment: Check the running belt tension and alignment regularly. If the belt slips or drifts to one side, adjust it according to the instructions in the full User Manual.
- Inspection: Periodically inspect all nuts, bolts, and moving parts for tightness and wear. Tighten any loose fasteners.

Image 6.1: The 7-layer running belt with shock absorption technology for knee protection.
7. Troubleshooting
If you encounter issues with your Merax Treadmill, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Treadmill does not start | Power cord not plugged in; Safety key not in place; Main power switch off. | Check power connection; Ensure safety key is correctly placed; Turn on main power switch. |
| Running belt slips | Belt tension too loose; Belt needs lubrication. | Adjust belt tension (refer to full manual); Apply silicon oil lubricant. |
| Unusual noise (e.g., squeaking) | Loose components; Lack of lubrication; Belt rubbing. | Inspect and tighten all bolts and screws; Lubricate the running belt; Check belt alignment. |
| Inaccurate display readings | Sensor issue; Console malfunction. | Ensure all connections are secure; Contact customer support if problem persists. |
If you experience any issues not listed here or if the suggested solutions do not resolve the problem, please contact Merax customer support for assistance.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | Merax |
| Model Number | B0GVMZ298G |
| Color | Black+Orange |
| Motor Horsepower | 3.0 HP |
| Speed Range | 1.0 - 8.0 MPH |
| Maximum Incline Percentage | 15% (Manual) |
| Maximum Weight Recommendation | 300 pounds |
| Product Dimensions (D x W x H) | 45.28"D x 20.08"W x 39.37"H |
| Folded Size | 45.28"D x 20.08"W x 3.54"H (approx. for deck height) |
| Item Weight | 46.3 pounds |
| Material | Alloy Steel |
| Metrics Measured | Calories Burned, Distance, Speed, Time |
| Number of Programs | 12 |
| Power Source | Corded Electric |
| Special Features | Compact Design, Lightweight, Manual Incline, Shock Absorbent, Wheeled |
9. Warranty and Support
Merax is committed to providing comprehensive support for its products. While specific warranty periods may vary, Merax offers dedicated customer service to assist with product-related inquiries.
- Customer Service: Merax provides 24/7 support to ensure customer satisfaction.
- Assistance: For questions regarding replacement parts, maintenance videos, or any other product-related concerns, please contact Merax customer support.
- Contact Information: Refer to the contact details provided on the product packaging or the official Merax website for the most up-to-date support information.