I wanted to be able to offer anything you need to properly maintain your pressure washer setup. If you get leaking from the Stainless swivel of your hand crank hose reel or your air hose reel, you will need to replace the seals. 

Coxreels Banjo Swivel Seal Kit ( Stainless Swivel Version Only)
- Services the following:
     - Hand Crank Hose Reel ( Stainless Swivel Version Only)
     - Air Hose Reel

Video: Coxreels "Tech Tips" - Service Your Banjo Style Swivel (Swivel Video 1)