Introduction
This manual provides essential information for the safe and efficient use of your Aerofit Af 767 Treadmill. Please read all instructions carefully before assembly and operation. Retain this manual for future reference.

Image: The Aerofit Af 767 Treadmill, showcasing its overall design and console. This image represents the complete product.
Important Safety Information
To reduce the risk of serious injury, read the following safety instructions before using the treadmill:
- Always consult with a physician before starting any exercise program.
- Keep children and pets away from the treadmill during operation.
- Place the treadmill on a level surface with adequate clearance around it.
- Wear appropriate exercise clothing and athletic shoes.
- Do not operate the treadmill if it is damaged or malfunctioning.
- Always use the safety key during operation.
- Do not step on or off the treadmill while the belt is moving.
- Unplug the treadmill from the power outlet when not in use or before cleaning/maintenance.
Setup and Assembly
1. Unpacking
Carefully remove all components from the packaging. Inspect for any shipping damage. Do not discard packaging materials until assembly is complete and the treadmill is functioning correctly.
2. Assembly
The Aerofit Af 767 Treadmill requires minimal assembly. Follow these steps:
- Attach Upright Posts: Secure the upright posts to the base frame using the provided bolts and washers. Ensure they are firmly tightened.
- Mount Console: Carefully attach the console to the top of the upright posts. Connect all pre-wired cables from the uprights to the console.
- Install Handrails: Fasten the handrails to the upright posts.
- Check Connections: Verify all bolts are tightened and cables are securely connected.

Image: A representation of the treadmill during the assembly process, showing the main frame and console components. This image illustrates the structural elements.
3. Placement
Place the treadmill on a firm, level surface. Ensure there is at least 2 meters (6.5 feet) of clear space behind the treadmill and 0.5 meters (1.6 feet) on each side for safe operation and access.
4. Power Connection
Plug the power cord into a grounded electrical outlet. Do not use extension cords or adapters.
Operating Instructions
1. Console Overview
The Af 767 features an LCD display console. Key elements include:
- LCD Display: Shows time, distance, speed, calories, and pulse.
- START/STOP Buttons: To begin and end workouts.
- SPEED +/- Buttons: To adjust the running belt speed.
- MODE Button: To cycle through display modes or select programs.
- Safety Key Slot: The treadmill will not operate without the safety key inserted.

Image: A close-up representation of the treadmill's control panel, highlighting the LCD display and various control buttons. This image focuses on user interaction elements.
2. Starting a Workout
- Attach the safety key clip to your clothing and insert the safety key into its slot on the console.
- Step onto the side rails of the treadmill.
- Press the START button. The belt will begin moving at a low speed after a short countdown.
- Carefully step onto the moving belt.
- Adjust the speed using the SPEED +/- buttons.
3. Stopping a Workout
- Press the STOP button. The belt will gradually slow down and stop.
- Alternatively, pull the safety key from its slot for an emergency stop. The treadmill will stop immediately.
4. Pre-set Programs
The Af 767 may include several pre-set workout programs. To select a program, press the MODE button repeatedly until the desired program is displayed. Press START to begin the program. Refer to the console display for program details.
Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your treadmill. Always unplug the treadmill before performing any maintenance.
1. Cleaning
- Wipe down the console and exterior surfaces with a damp cloth after each use. Avoid abrasive cleaners.
- Vacuum underneath the treadmill regularly to prevent dust buildup.
2. Running Belt Lubrication
The running belt requires lubrication every 3-6 months, depending on usage. Use only 100% silicone lubricant. Consult the specific instructions provided with your lubricant for application.
3. Running Belt Adjustment
If the running belt slips or drifts to one side, it may need adjustment. Use the provided Allen wrench to turn the rear roller bolts. Turn clockwise to tighten or move the belt to the right, counter-clockwise to loosen or move the belt to the left. Adjust in small increments (quarter turns) and test after each adjustment.

Image: A view of the treadmill's running belt and deck area, illustrating the components involved in lubrication and adjustment. This image helps visualize maintenance points.
Troubleshooting
Refer to this section for common issues and their solutions. If the problem persists, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Treadmill does not start. | Power cord not plugged in; Safety key not inserted; Circuit breaker tripped. | Ensure power cord is securely plugged in; Insert safety key fully; Reset circuit breaker. |
| Running belt slips. | Belt too loose; Belt needs lubrication. | Adjust belt tension (see Maintenance); Lubricate belt (see Maintenance). |
| Unusual noise during operation. | Loose components; Belt friction; Motor issue. | Check and tighten all bolts; Lubricate belt; Contact customer support if noise persists. |
| Display not working. | Loose cable connection; Power issue. | Check console cable connections; Verify power supply. |
Specifications
The following are the general specifications for the Aerofit Af 767 Treadmill:
- Model: Af 767
- Brand: Aerofit
- Dimensions (L x W x H): 206 cm x 86 cm x 137 cm (approx.)
- Color: Black
- Frame Material: Alloy Steel
- Display Type: LCD
- Special Feature: Portable
- Product Grade: Home Use
- Target Audience: Adult, Youth
Warranty and Support
Warranty Information
The Aerofit Af 767 Treadmill comes with a limited manufacturer's warranty. Please refer to the warranty card included with your product for specific terms, conditions, and duration. Keep your proof of purchase for warranty claims.
Customer Support
For technical assistance, spare parts, or warranty inquiries, please contact Aerofit customer support. Contact details can typically be found on the official Aerofit website or on your product's packaging.
Note: Do not attempt to repair the treadmill yourself, as this may void your warranty and pose safety risks.