How to Measure and Replace Trampoline Springs

The Process

1. Inspect the springs to determine how many springs you need to replace You will need to immediately replace any springs that show a slight amount of wear to prevent injury to jumpers. 

• Overstretched
• Over sprung
• Either end of the hook showing wear
• Deep pitted rust

1.  To determine what size you have, choose a spring from your trampoline that is in as good a condition as possible eg. not overstretched or with deep pitted rust.

2. You will need to measure the spring accurately in Millimeters for the following dimentions– (see diagram below)

• "A" -  Overall length of the spring; from hook end, to hook end.
• "B" -  Longest hook from first coil, to outside edge of hook.
• "C" - Outside diameter, in the middle of the spring; for the total width.
• "D" - Wire diameter; you can measure this at the hook shank, it is the width of the piece of wire.

3. Purchase replacement trampoline springs.
4. You can easily replace the springs on your own but if there help accept it.  
5. We suggest you wear gloves to prevent injury from the springs.
6. Use a trampoline spring tool to pull and hook the spring to the frame. 
7. Ensure springs are engaged correctly into the trampoline frame before anyone gets on the trampoline.

8 Order a few extra springs to have ready for when a spring fails in the future. 

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