1. Introduction
Thank you for choosing the FEIERDUN Leg Extension Curl Machine. This manual provides essential information for the safe assembly, operation, and maintenance of your new fitness equipment. Please read all instructions carefully before use to ensure proper function and to prevent injury.
Image 1.1: The FEIERDUN Leg Extension Curl Machine, a versatile home gym equipment.
1.1 Safety Information
- Consult a physician before starting any exercise program.
- Ensure all bolts and nuts are securely tightened before each use.
- Do not exceed the maximum weight capacity of 700 lbs.
- Keep children and pets away from the machine during operation.
- Use the machine on a flat, stable surface.
- Wear appropriate athletic footwear during workouts.
2. Product Features
The FEIERDUN Leg Extension Curl Machine is designed for comprehensive lower body workouts, offering multiple exercise modes and robust construction.
2.1 4-in-1 Versatility
This machine combines single-leg/double-leg extensions, leg curls, and hip thrusts, effectively targeting glutes, legs, and core stability.
Image 2.1: User demonstrating the Leg Curl exercise mode.
Image 2.2: User demonstrating the Leg Extension exercise mode.
Image 2.3: User demonstrating the Single Leg Curl exercise mode.
Image 2.4: User demonstrating the Hip Thrust exercise mode.
2.2 Rock-Solid Stability
Constructed from commercial-grade steel, this machine supports up to 700 lbs. It features non-slip pads and widened supports for enhanced safety during high-intensity training.
Image 2.5: Illustration of the machine's 700 lbs capacity and 2.7mm thick steel construction.
2.3 Effortless Mode Switching
An integrated adjustable limiter allows for seamless transitions between workout modes without disassembly. A simple pull-and-plug design facilitates quick adjustments.
Image 2.6: Detail of the adjustable leg holder and the pull-and-plug mechanism for mode switching.
2.4 Exceptional Adjustability
The machine offers extensive adjustability to accommodate various user heights (up to 6 feet) and weights (up to 300 lbs), ensuring an optimal training posture.
- 8-Position Backrest
- 3-Position Seat
- 8-Position Leg Hold-on
- 21-Position Leg Pad
- 360° Auto Adjustment
Image 2.7: Diagram illustrating the various adjustable components of the machine.
2.5 Ultra-Comfortable Padding & Foam Rollers
Thick and soft foam padding provides cushioning and comfort. Upgraded foam rollers and an extended limiter support legs and distribute pressure evenly.
Image 2.8: Detail of the thickened comfort pads, highlighting skin-friendly, breathable, and sweat-proof features.
2.6 Compact Design & Mobility
Measuring 33 x 34 x 38.5 inches, the machine fits comfortably in various spaces. It includes smooth transport wheels and rubber foot pads for easy mobility and floor protection.
Image 2.9: Detail of the silent and durable transport wheels.
Image 2.10: Diagram showing the compact dimensions and compatibility with 1-inch or 2-inch weight plates.
2.7 Weight Plate Compatibility
Equipped with a 10-inch Olympic adapter, the machine is compatible with both 1-inch and 2-inch weight plates.
Image 2.11: Detail of the weight post, indicating compatibility with both 1-inch and 2-inch weight plates.
3. Assembly Instructions
The FEIERDUN Leg Extension Curl Machine is designed for quick assembly. An assembly manual and necessary hardware are included in the package.
Image 3.1: Visual representation of the machine's components and assembly steps.
3.1 Before You Begin
- Unpack all components and verify against the parts list in the included assembly manual.
- Ensure you have sufficient space for assembly.
- Gather any additional tools if preferred (e.g., a socket wrench for faster tightening).
3.2 Assembly Steps
- Follow the step-by-step instructions provided in the physical assembly manual.
- Utilize the included hardware, which is typically divided by step for convenience.
- Refer to the installation video (if available via QR code or link in the manual) for visual guidance.
- Ensure all connections are tightened securely but do not overtighten until all components are in place.
- Once assembled, double-check all bolts and nuts for tightness before first use.
4. Operating Instructions
This section details how to properly use your FEIERDUN Leg Extension Curl Machine for various exercises.
4.1 Adjusting the Machine
- Seat Adjustment: Adjust the seat to one of the 3 positions to ensure your knees align with the machine's pivot point for leg extensions/curls.
- Backrest Adjustment: Adjust the backrest to one of the 8 positions for optimal support and comfort during exercises.
- Leg Hold-on Adjustment: Position the leg hold-on (8 positions) to secure your thighs during leg extensions or your calves during leg curls.
- Leg Pad Adjustment: Adjust the leg pad (21 positions) to ensure it rests comfortably against your shins for extensions or Achilles for curls.
- Weight Post: Load appropriate 1-inch or 2-inch weight plates onto the 10-inch Olympic adapter. Secure plates with collars (not included).
4.2 Switching Exercise Modes
To switch between leg extension and leg curl modes, use the integrated adjustable limiter. Simply pull the pin and rotate the leg holder assembly to the desired position. Ensure the pin locks securely into place before starting your exercise.
4.3 Performing Exercises
Always perform exercises with controlled movements. Avoid sudden jerks or using momentum.
- Leg Extensions: Sit on the machine with your back against the backrest. Hook your shins under the leg pad. Extend your legs fully, squeezing your quadriceps, then slowly lower the weight.
- Leg Curls: Adjust the machine for leg curls. Lie face down or sit as appropriate for the machine's configuration, hooking your Achilles/calves under the leg pad. Curl your legs towards your glutes, squeezing your hamstrings, then slowly release.
- Hip Thrusts: Position yourself with your upper back against the backrest and the leg hold-on across your hips. Drive through your heels to lift your hips, squeezing your glutes at the top, then slowly lower.
5. Maintenance
Regular maintenance ensures the longevity and safe operation of your FEIERDUN Leg Extension Curl Machine.
- Cleaning: Wipe down the machine, especially the padded areas, with a damp cloth after each use to remove sweat and dirt. Use a mild cleaner if necessary, avoiding harsh chemicals.
- Inspection: Periodically inspect all bolts, nuts, and moving parts for tightness and wear. Tighten any loose fasteners. Check for any signs of damage or unusual wear on the frame, padding, or rollers.
- Lubrication: Moving parts, such as the pivot points, may benefit from occasional lubrication with a silicone-based spray to ensure smooth operation.
- Storage: Store the machine in a dry, clean environment away from direct sunlight and extreme temperatures.
6. Troubleshooting
This section addresses common issues you might encounter with your machine.
| Problem | Possible Cause | Solution |
|---|---|---|
| Machine feels unstable or wobbly | Loose bolts/nuts; uneven surface. | Ensure all fasteners are tightened. Move the machine to a flat, level surface. |
| Difficulty switching modes | Pin not fully disengaged; mechanism dirty or stiff. | Ensure the pull-pin is fully pulled out. Clean the mechanism and apply a light lubricant if needed. |
| Squeaking or grinding noises | Lack of lubrication on pivot points; loose components. | Apply silicone lubricant to pivot points. Check and tighten all bolts and nuts. |
| Weight plates slide off the post | No weight collars used; post not level. | Always use weight collars to secure plates. Ensure the machine is on a level surface. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | FEIERDUN |
| Model Name | B0D8BS9Q48 |
| Material | Alloy Steel |
| Color | Black |
| Item Dimensions (LxWxH) | 34 x 33 x 39 inches |
| Maximum Weight Recommendation | 700 Pounds |
| Suggested Users | Unisex-adult |
| Weight Post Compatibility | 1-inch and 2-inch weight plates (with 10-inch Olympic adapter) |
| Included Components | Instruction manual, Hardware, Leg Extension and Curl Machine |
8. Warranty & Support
8.1 Product Warranty
The FEIERDUN Leg Extension Curl Machine comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects under normal use. Please retain your proof of purchase for warranty claims.
8.2 Customer Support
For any questions, concerns, or assistance with assembly, operation, or troubleshooting, please contact FEIERDUN customer support. We offer 24/7 customer support to ensure your satisfaction.
Contact information can be found on the FEIERDUN official website or through your purchase platform.
