1. Product Overview
The Matrix G7-S70 Leg Press is a robust piece of strength training equipment designed for lower body workouts. It features an angled and adjustable seat carriage for user comfort and a guide rod and bearing-designed carriage for enhanced user feel. This machine is engineered for durability and effective leg muscle development.

Figure 1: Overall view of the Matrix G7-S70 Leg Press machine, highlighting its robust frame and ergonomic design.
Key Features:
- Footplate with unique visual indicators for proper foot positioning.
- Angled and adjustable seat carriage for superior user comfort.
- Guide rod and bearing-designed carriage for smooth operation.
- Thumb switch controls for easy adjustments.
- 8-position sled user adjustment range.
- Color-coded pivots and points of adjustment for intuitive use.
- Proprietary two-coat powder frame finish in Iced Silver.
- Internally lubricated cables and fittings for smooth transmission.
- Electronic rep counter displaying reps, exercise time, and rest time.
- Personal storage including dual-size bottle holder, tactile storage mat, and towel holder.
- Full front and rear weight stack guarding for safety.
- Total stack weight of 181 kg (400 lbs) with incremental weights of 5, 10, and 15 lbs.
2. Important Safety Information
Before operating the Matrix G7-S70 Leg Press, please read and understand all instructions and warnings. Failure to do so may result in serious injury.
- Consult a Physician: Always consult with a physician before beginning any exercise program.
- Proper Use: Use the equipment only for its intended purpose as described in this manual.
- Inspection: Before each use, inspect the machine for loose parts, worn cables, or any signs of damage. Do not use if damaged.
- Clearance: Ensure adequate clear space around the machine during operation.
- Children and Pets: Keep children and pets away from the equipment during operation.
- Weight Limits: Do not exceed the maximum weight capacity of the machine.
- Adjustments: Ensure all adjustments are securely locked before beginning an exercise.
- Proper Form: Maintain proper exercise form to prevent injury. Refer to the placards on the machine for guidance.
- Emergency Stop: Familiarize yourself with how to safely disengage from the machine in an emergency.
3. Setup and Installation
The Matrix G7-S70 Leg Press requires professional assembly. Once assembled, ensure the machine is placed on a stable, level surface. Independent machine hold-down brackets are provided for anchoring, if required.
Initial Checks:
- Verify all bolts and fasteners are tightened according to assembly instructions.
- Check that cables are properly routed and free from fraying or damage.
- Ensure the weight stack moves smoothly and freely.
- Install 2 AA batteries into the rep counter for operation. The battery life is approximately 3 years.

Figure 2: Detailed view of the adjustable seat mechanism, showing the thumb switch controls for easy position changes.
4. Operating Instructions
Follow these steps for safe and effective use of the G7-S70 Leg Press.
4.1 Adjusting the Machine
- Seat Adjustment: Sit on the machine. Use the thumb switch controls to adjust the angled seat carriage to your desired position. The machine offers an 8-position sled adjustment range. Ensure the seat is securely locked before proceeding.
- Weight Selection: Select the desired weight by inserting the pin into the appropriate weight plate. Incremental weights of 5 lbs, 10 lbs, and 15 lbs are available for fine-tuning resistance.
- Footplate Positioning: Place your feet on the footplate, utilizing the unique visual indicators to ensure proper foot placement for your exercise.

Figure 3: Close-up of the adjustment handles and the smooth guide rods, indicating the quality of the carriage system.
4.2 Performing the Exercise
- Once adjusted, firmly grasp the handles.
- Push the footplate away from you by extending your legs, ensuring your knees do not lock.
- Slowly return the footplate to the starting position, maintaining control throughout the movement.
- The electronic rep counter will track your repetitions, exercise time, and rest time.
- Refer to the front placards on the machine for muscle call-outs, stretching illustrations, and proper exercise form.

Figure 4: The textured footplate with Matrix branding, designed for secure foot placement during exercises.
5. Maintenance
Regular maintenance ensures the longevity and safe operation of your Matrix G7-S70 Leg Press.
- Daily: Wipe down all surfaces with a damp cloth after each use to remove sweat and dirt.
- Weekly: Inspect all cables, belts, and pulleys for signs of wear or damage. Ensure all bolts and fasteners are tight.
- Monthly: Check the guide rods and other moving parts for smooth operation. Lubricate as necessary with a silicone-based lubricant (consult manufacturer for specific recommendations).
- Battery Replacement: The rep counter batteries (2 AA) should be replaced approximately every 3 years or when the display fades.
- Professional Service: For any complex repairs or adjustments, contact authorized service personnel.
6. Troubleshooting
This section addresses common issues you might encounter with your G7-S70 Leg Press.
| Problem | Possible Cause | Solution |
|---|---|---|
| Sled movement is not smooth or feels sticky. | Lack of lubrication on guide rods; debris on guide rods; worn bearings. | Clean guide rods and apply a silicone-based lubricant. Inspect for debris. If issue persists, contact service. |
| Rep counter display is blank or dim. | Dead batteries; loose battery connection. | Replace the 2 AA batteries. Ensure batteries are correctly inserted. |
| Unusual noises during operation (e.g., squeaking, grinding). | Loose fasteners; worn cables/pulleys; lack of lubrication. | Inspect and tighten all fasteners. Check cables and pulleys for wear. Lubricate moving parts. If noise continues, discontinue use and contact service. |
| Seat adjustment mechanism is stiff. | Debris in mechanism; lack of lubrication. | Clean the adjustment track and apply a light lubricant. |
7. Product Specifications
| Feature | Detail |
|---|---|
| Brand | Matrix |
| Model | G7-S70 |
| Product Weight | 404 kg (891 lbs) |
| Shipping Weight | 430 kg (946 lbs) |
| Overall Dimensions (L x W x H) | 206.4 x 110.5 x 152.1 cm (81.2 x 43.5 x 59.9 inch) |
| Total Stack Weight | 181 kg (400 lbs) |
| Incremental Weight System | 5 lbs, 10 lbs, 15 lbs |
| User Adjustment Range | 8 position sled |
| Rep Counter Power Supply | 2 AA batteries |
| Rep Counter Battery Life | Approximately 3 years |
| Frame Finish | Proprietary two-coat powder process |
| Frame Color | Iced Silver |
| Manufacturer | Johnson Health Tech |
| Date First Available | 26 March 2015 |
8. Warranty and Customer Support
For detailed warranty information, please refer to the warranty card included with your product or visit the official Matrix Fitness website. Keep your proof of purchase for warranty claims.
If you require technical assistance, replacement parts, or have questions regarding the operation of your Matrix G7-S70 Leg Press, please contact Matrix customer support. Contact details can typically be found on the manufacturer's website or in your product packaging.







