SRAM RockShox Deluxe RT3 Service Manual page 34

Spray isopropyl alcohol on the piston nut threads and clean it
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with a rag.
Apply a thin layer of Loctite® Threadlocker Blue 242® only on the
threads of the piston nut, then thread the nut onto the damper shaft
with the stepped side facing the shims.
RT3 and 2019 RL/RT: Use a torque wrench with a 12 mm socket to
tighten the nut to 4.5 N·m (40 in-lb).
2018 RLR/RL/RT/R: Use a torque wrench with a 10 mm socket to
tighten the nut to 4.5 N·m (40 in-lb).
Remove the assembly from the vise.
2019 RL/RT: Apply a small amount of grease to the tip of the
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compression rod. Install the compression rod and top hat into the main
piston assembly.
2018 RLR/RL/RT: Install the top hat spring and top hat washer onto the
compression rod. Hold the compression rod vertically so the spring is
seated in the groove inside the top hat.
If the top hat spring is not seated in the groove inside the top hat, the
shock will not perform properly.
Apply a small amount of grease to the tip of the compression rod.
Install the compression rod and top hat into the main
piston assembly.
NOT ICE
Loctite Threadlocker Blue 242
12 mm 4.5 N·m (40 in-lb)
2019 RL/RT
2018 RLR/RL/RT
2018 RLR/RL/RT
10 mm 4.5 N·m (40 in-lb)
2019 RL/RT
2018 RLR/RL/RT
2018 RLR/RL/RT
Piston Service 34