I recently got a new bike and I thought there was a problem with the suspension fork so I stripped it apart to see if I could find the problem;
Getting to this stage with a basic Rockshox fork is relatively easy but quite messy (with the right tools, a clean area to work, a workstand etc....)!
First you need to remove the brake and take it apart as per the manufacturers instructions. The uppers stay in the bike and the lowers come off as one piece.
Then the tricky bit, there are a lot of small parts inside that can be really complicated to take off/put back in - especially the black cir-clip on the right side of the picture......
Once you have added the right fluids and re-built the fork it is time to set up the suspension. The markings on the uppers of the fork will help you get a rough idea of how much air to add. We generally look for 30% sag i.e. when you sit on the bike you are using 30% of the travel of the fork. We do this so the fork can extend as well as contract thus helping your wheel stay in contact with the ground. The final setting is a lot more down to final tuning though for example if you are a more aggressive rider you may add more air. Getting a shock pump is the only way to tune this at home and is a good investment if you have air shocks.
We would generally recommend just getting the seals changed on front/rear shocks once a season to keep your suspension working optimally and to avoid the risk of unneceassary wear.
Turned out there was nothing wrong with the fork, I just hadn't read the instrucions properly.......who reads the instructions!!
If you need any suspension servicing then come by the store for a quote.