1. Introduction
Thank you for choosing the GYMAX Outdoor Trampoline. This manual provides essential information for the safe assembly, operation, and maintenance of your trampoline. Please read all instructions carefully before assembly and use to ensure safety and prolong the life of your product. This trampoline is designed for recreational use and is available in 8FT, 10FT, and 12FT sizes.

Image 1: Overview of the GYMAX Outdoor Trampoline.
2. Safety Information
Your safety is paramount. This trampoline complies with ASTM and CPSIA standards for reliable use. Adhere to the following safety guidelines:
- Adult Supervision: Always ensure adult supervision when children are using the trampoline.
- One Jumper at a Time: To prevent collisions and injuries, only one person should jump on the trampoline at any given time.
- Weight Limits: Do not exceed the specified static and dynamic weight capacities for your trampoline size. Refer to the 'Specifications' section for details.
- Clearance: Ensure adequate overhead and surrounding clearance from structures, trees, and other obstacles.
- Inspection: Regularly inspect the trampoline for damaged, worn, or missing parts before each use. Do not use if any components are compromised.
- Enclosure Net: Always use the trampoline with the enclosure net properly installed and secured.
- No Flips or Stunts: Avoid dangerous maneuvers like flips, which can lead to serious injury.
- Weather Conditions: Do not use the trampoline in strong winds, rain, or other adverse weather conditions.

Image 2: Children enjoying the trampoline safely, highlighting ASTM and CPSIA compliance.
3. What's in the Box
Upon unpacking, please verify that all components listed below are present and undamaged:
- Trampoline Frame Components
- Jumping Mat
- Springs (42/54/72 pcs depending on size)
- Enclosure Net
- Net Poles with Foam Sleeves
- Spring Cover Pad
- Ladder
- User Guide (this document)
- Assembly Hardware and Tools (if applicable)
4. Setup and Assembly
Assembly requires at least two adults. Follow the steps below for proper installation. Refer to the included user guide for detailed diagrams.
4.1 Frame Assembly
- Connect the galvanized steel frame tubes to form the circular base. Ensure all connections are secure.
- Attach the curved outward-facing legs to the main frame. These legs provide enhanced stability.

Image 3: Detail of the curved outward-facing legs for stronger support and higher stability.
4.2 Jumping Mat and Spring Installation
- Lay the 8-row stitched PP jumping mat evenly within the frame.
- Attach the high-tensile springs from the frame to the mat's V-rings using the provided spring tool. Install springs symmetrically to ensure even tension.

Image 4: Illustration of the high-tensile springs providing an excellent bouncing experience.

Image 5: Detail of the 8-row stitched PP jumping mat, highlighting its tear-resistant and sun-protective qualities.
4.3 Enclosure Net and Pole Installation
- Assemble the curved net poles and slide the anti-collision foam sleeves onto each pole.
- Secure the net poles to the trampoline frame. The curved design ensures a safe distance from the jumping area.
- Drape the high-density enclosure net over the poles and secure it at the bottom to the jumping mat using the included string for a seamless design, preventing contact with springs and poles.
- Ensure the double-sided zipper door with safety buckle is fully functional.

Image 6: Curved net poles with anti-collision foam sleeves ensure a safe distance from the jumping area.

Image 7: The seamless design, achieved by tying the net to the mat, prevents contact with poles and springs.
4.4 Ladder Attachment
- Attach the heavy-duty, non-slip ladder to the trampoline frame for easy and secure access.

Image 8: Key safety and convenience features including the double-sided zipper, safety buckle, thick padded spring cover, and non-slip ladder.
5. Operating Instructions
To ensure a safe and enjoyable experience, follow these operating guidelines:
- Entry and Exit: Always use the ladder to enter and exit the trampoline. Do not jump off the trampoline onto the ground.
- Supervision: Children must always be supervised by a responsible adult.
- Single User: Only one person should be on the trampoline at a time to prevent collisions.
- Proper Jumping: Jump in the center of the mat. Avoid jumping too high or attempting complex maneuvers.
- No Objects: Do not bring sharp objects, toys, or other items onto the trampoline.
- Footwear: Bare feet or trampoline socks are recommended. Avoid shoes that can damage the mat.
6. Maintenance
Regular maintenance will ensure the longevity and safety of your trampoline.
- Routine Inspection: Before each use, check all nuts, bolts, springs, and frame connections for tightness and wear. Ensure the enclosure net, jumping mat, and spring cover are free from tears or damage.
- Cleaning: Clean the jumping mat and enclosure net with mild soap and water. Rinse thoroughly and allow to air dry. Avoid harsh chemicals.
- Spring Cover: Ensure the thick padded spring cover is always in place to protect users from springs and the frame.
- Weather Protection: In harsh weather conditions (heavy snow, strong winds), consider disassembling and storing the trampoline indoors, or at least securing it to prevent damage.
- Replacement Parts: If any part becomes damaged, replace it immediately with genuine GYMAX replacement parts. Do not use the trampoline with damaged components.
7. Troubleshooting
This section addresses common issues you might encounter:
- Squeaking Noise: Check all frame connections and spring attachments. Apply a silicone-based lubricant to joints if necessary.
- Uneven Bounce: Ensure all springs are correctly attached and evenly tensioned. Inspect the jumping mat for any stretching or damage.
- Net Sagging: Verify that the enclosure net is properly secured to the poles and the bottom of the mat. Check for any loose straps or ties.
- Ladder Instability: Ensure the ladder is correctly hooked onto the frame and that all steps are secure.
If you encounter issues not listed here or require further assistance, please contact customer support.
8. Specifications
The following table details the specifications for the different GYMAX Outdoor Trampoline models:
| Feature | 8 FT Model | 10 FT Model | 12 FT Model |
|---|---|---|---|
| Overall Diameter | 8 ft | 10 ft | 12 ft |
| Overall Height | 7.8 ft | 8 ft | 8.8 ft |
| Leg Height | 23.5" | 27" | 35" |
| Static Weight Capacity | 880 lbs | 880 lbs | 1100 lbs |
| Dynamic Weight Capacity | 220 lbs | 220 lbs | 265 lbs |
| Net Weight | 76 lbs | 99 lbs | 119 lbs |
| Number of Springs | 42 | 54 | 72 |
| Material | Galvanized Steel, PE, EPE, PVC | ||
| Compliance | ASTM, CPSIA | ||

Image 9: Visual representation of trampoline dimensions and weight capacities across different sizes.
9. Warranty Information
The GYMAX Outdoor Trampoline comes with a 90-day warranty from the date of purchase. This warranty covers manufacturing defects under normal use. It does not cover damage resulting from misuse, accidents, improper assembly, lack of maintenance, or normal wear and tear. Please retain your proof of purchase for warranty claims.
10. Customer Support
For any questions, concerns, or assistance with your GYMAX Outdoor Trampoline, please contact our customer support team. Refer to your purchase documentation for specific contact details or visit the official GYMAX website.





