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<h1><img src="http://www.pro-jump.co.uk/PJF09/PJF-tutotials.jpg" alt="Pro-Jump Forum Tutorials" width="200" height="200" />How to change a spring </h1>
<h2>By: Jason<br />
PJF Contributor: Spud <br />
</h2>
<p>Recently a few people have asked me what the easiest way to change the spring on a set of bocks so i thought it was time for a How To. The problem is changing the spring without removing the kneebar/Cuffs (as it ruins the settings if you do)<br />
<br />
Discussion topic can be found <a href="http://www.projumpforum.co.uk/index.php?topic=3302.0"><span id="link">here</span></a><br />
<br />
<br />
</p>
<h3><span class="tutcont343rf3wr2reg32rg1">Changing Springs Tutorial</span></h3>
<p><strong>Tools Needed</strong><br />
<br />
You will need either two 13mm spanners and two 10mm spanners or one of each size spanner and a small socket set with 13mm and 10mm sockets<br />
<br />
<strong>Method </strong><br />
<br />
So first undo the big bolt at the top of the hoof as shown in pic below<br />
</p>
<p><img src="http://www.projumpforum.co.uk/bocking-tutorials/Spring-Change/first-bolt.jpg" border="3" height="224" width="300" /></p>
<p>This allows you to swing the whole spring back so you can access the lower nut on the top bracket without removing the Kneebar/Cuff<br />
Now undo the two nuts and bolts that attach the spring to the top bracket</p>
<p><img src="http://www.projumpforum.co.uk/bocking-tutorials/Spring-Change/top-bolt-access.jpg" border="3" height="225" width="300" /></p>
<p><img src="http://www.projumpforum.co.uk/bocking-tutorials/Spring-Change/Top-bracket-awk-bolt.jpg" border="3" height="225" width="300" /></p>
<p>You should now be left with the spring with a hoof attached as below if you are just swapping the springs side for side (to even wear) this is as far as you need to go as if you leave the hoof on it also swaps the hoof rubbers as well and evens up the wear on them<br />
<br />
I tend to swap my springs round every 2 months or so as we all have a dominant foot and so wear one spring more than the other I have found that swapping them makes them last longer</p>
<p><img src="http://www.projumpforum.co.uk/bocking-tutorials/Spring-Change/Spring-and-hoof.jpg" border="3" height="400" width="300" /></p>
<p>If you are replacing the spring completely you now need to remove the hoof<br />
There are two ways to do this so first I'll show the way that keeps the top bearing in place (handy if you have glued your bearings in place)<br />
<br />
Undo the bolt throught the bottom hoof bearing<br />
This is where you can do it in two ways<br />
<br />
A)--This should allow you to move the hoof away from the spring so you can get to the nuts<br />
that hold the lower bracket in place<br />
(If it is to tight to do this you may need to remove the white packer at the top hoof <br />
bearing to loosen it) <br />
Now you can withdraw the spring without disturbing the bearing <br />
<br />
B)--Alternatively if you don't mind removing the top hoof bearing you don't need to remove<br />
the bottom bracket but if you are changing the spring it will have to come off anyway </p>
<p><img src="http://www.projumpforum.co.uk/bocking-tutorials/Spring-Change/lower-hoof-disman.jpg" border="3" height="225" width="300" /></p>
<p><img src="http://www.projumpforum.co.uk/bocking-tutorials/Spring-Change/remove-lower-bracket.jpg" border="3" height="225" width="300" /></p>
<p><img src="http://www.projumpforum.co.uk/bocking-tutorials/Spring-Change/remove-spring.jpg" border="3" height="225" width="300" /></p>
<p>Assemly is the reverse of the above but I will run throught it anyway<br />
<br />
Slide the spring into the hoof section and attach the lower bracket with the two bolts, nuts and spring washers</p>
<p><img src="http://www.projumpforum.co.uk/bocking-tutorials/Spring-Change/lowwer-bracket-assmb.jpg" border="3" height="225" width="300" /></p>
<p>Attach the top of the spring to the top bracket with the two bolts, nuts and spring washers</p>
<p><img src="http://www.projumpforum.co.uk/bocking-tutorials/Spring-Change/top-bracket-assmb.jpg" border="3" height="225" width="300" /></p>
<p>Swing the spring back down and attach the top hoof bearing with locknut, bolt and four washers <br />
Make sure you put the washers in the right places as shown in the pic</p>
<p><img src="http://www.projumpforum.co.uk/bocking-tutorials/Spring-Change/top-hoof-bearing-assmb.jpg" border="3" height="225" width="300" /></p>
<p>Thats it folks just don't forget to replace the white packers if you took them out<br />
<br />
Jason <img src="http://www.projumpforum.co.uk/Smileys/default/Hoofies2.gif" border="0" /> <img src="http://www.projumpforum.co.uk/Smileys/default/CGEEK.gif" border="0" /><br />
</p>
<h2>* Disclaimer </h2>
<p class="tutdisc">
Any modifications, setting up guides, advice and tutorials found on the
Pro-Jump Forum should only be followed at your own risk. Pro-Jump / UK
Good Deals Ltd will not be held responsible for any injury, loss or
damage of any nature. Some modifications provided on the forum may also
invalidate your jumping stilts warranty so please check the terms and
conditions on the Pro-Jump.co.uk site or the site where your jumping
stilts were purchased from. </p>
<p class="tutdisc">
By following any of the advice set out on the Pro-Jump Forum you are
exonerating the company (Pro-Jump / UK Good Deals) its employees,
agents, members and the advise / tutorial poster from all liability
which may arise in respect of personal injury (fatal or otherwise) or
damage to your equipment which may occur by following the advice given.
You undertake to make no claim against the company (Pro-Jump / UK Good
Deals ltd) its employees, agents, members and the advise / tutorial
poster notwithstanding that such injury was caused or occasioned
directly or indirectly by the act of neglect ,or default of the company
(Pro-Jump / UK Good Deals) its employees, agents, members and the
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Comments
Written by spring_loaded on March 10, 2012, 02:53:54 PM
Where can you get new springs from?