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HOW TO CHECK & REPLACE
NLO / HLO / LO CARTRIDGES
V.1.0_09-2024

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Summary of Contents for SR Suntour NLO

  • Page 1 HOW TO CHECK & REPLACE NLO / HLO / LO CARTRIDGES V.1.0_09-2024...
  • Page 2 Always wear safety glasses and protective gloves during maintenance of SR SUNTOUR products. GENERAL INFORMATION All forks can be identifi ed by the setting buttons. SR SUNTOUR / HOW TO CHECK & REPLACE / LO / HLO / NLO CARTRIDGES...
  • Page 3: Step 1 - Testing & Adjustment

    8-10 times. If the fork is still mounted on the bike, with the bike on the floor, compress the fork using the handlebar 8-10 times. This ensures there is no air trapped underneath the cartridge piston. SR SUNTOUR / HOW TO CHECK & REPLACE / LO / HLO / NLO CARTRIDGES...
  • Page 4 1. This procedure can be performed while the fork is mounted on the bike. Use a plastic (tire) lever to unclip the lockout knob and set it aside. SR SUNTOUR / HOW TO CHECK & REPLACE / LO / HLO / NLO CARTRIDGES...
  • Page 5 If the fork compression functions once again, continue following instructions below. If the fork does not compress, the cartridge must be replaced. Go directly to Step 2. SR SUNTOUR / HOW TO CHECK & REPLACE / LO / HLO / NLO CARTRIDGES...
  • Page 6: Step 2 - Replacing The Cartridge

    1. This procedure can be performed with the fork mounted on the bike. Use a plastic (tire) lever to unclip the lockout knob and set it aside. SR SUNTOUR / HOW TO CHECK & REPLACE / LO / HLO / NLO CARTRIDGES...
  • Page 7 3. On the damper side, using a 5mm Allen key, turn the lower-leg bolt counter clockwise 2 turns to loosen it. For HLO and NLO version, use a 10mm socket to remove the nut following the same process. Use a mallet to strike the bolt 2-3 times. Check to ensure the bolt is in contact with the leg. Remove the bolt and set it aside.
  • Page 8 5. Position the cartridge into a vise with aluminium clamps. Use a 5mm Allen key to unscrew the black bolt. Remove the adjust system. SR SUNTOUR / HOW TO CHECK & REPLACE / LO / HLO / NLO CARTRIDGES...
  • Page 9 6. Remove the cartridge from the vise and install the new one as shown in the images below. Install the adjust system and tighten to 7Nm. SR SUNTOUR / HOW TO CHECK & REPLACE / LO / HLO / NLO CARTRIDGES...
  • Page 10 Position the blue knob pointing towards the rear of the crown (6 o’clock when you are installed on the bike). Firmly push on the lockout knob until it clips. The lockout knob is now matching the cartridge setting. SR SUNTOUR / HOW TO CHECK & REPLACE / LO / HLO / NLO CARTRIDGES...
  • Page 11 SR SUNTOUR / HOW TO CHECK & REPLACE / LO / HLO / NLO CARTRIDGES...

This manual is also suitable for:

HloLo