SRAM RockShox Deluxe RT3 Service Manual page 31

Use a small wrench or pick to slide the main piston assembly off the
6
shaft and onto the tool.
Keep all the parts together and set them aside. If the main piston
assembly is disassembled, it will need to be replaced.
Remove the seal head/air piston from the damper shaft.
7
Remove the bottom out o-ring from the damper shaft.
8
Install a new o-ring.
NOTI CE
RT3
2019 RL/RT
R
2018 RLR/RL/RT
Piston Service 31