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Summary of Contents for DT SWISS RATCHET LN
- Page 1 TECHNICAL MANUAL V2021.06...
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Page 2: Table Of Contents
General maintenance information ................4 Environmental protection .................... 4 Exclusion of liability ..................... 4 1.10 Warranty ........................4 2. RATCHET LN - REAR HUB SERVICE ............... 5 Overview ........................5 Required wearing parts and materials ............... 6 Required tools ......................6 Removing the end caps .................... -
Page 3: General
The cover page and the footing provide information about the type of product and manual as well as the version of the manual. The DT Swiss contact details can be found on the back. A list of all DT Swiss service centers can be found at www.dtswiss.com. -
Page 4: How To Use The Manual
DT Swiss special tools are precision tools. Damage-free mounting and dismounting of the components can only be ensured if the tools are working properly and if the condition of the tools are perfect. Always keep the tools in their original packaging or adequate devices to prevent damage. -
Page 5: Ratchet Ln - Rear Hub Service
2. RATCHET LN - REAR HUB SERVICE Preparatory Steps: Link Dismount the brake rotor Dismount cassette Clean the hub 2.1 OVERVIEW end cap non drive side shim ring 11 hub seal ball bearing non drive side ring nut 12 freewheel body... -
Page 6: Required Wearing Parts And Materials
2.2 REQUIRED WEARING PARTS AND MATERIALS Wearing parts / Materials Specification Quantity Article number DT Swiss universal grease 20 g HXTXXX00NMG20S DT Swiss special grease 20 g HXT10032508S 2.3 REQUIRED TOOLS Tools Specification Quantity Article number tool for ring nut HXTXXX00N5027S installation cylinder Ø15 / 28 x 40 mm... -
Page 7: Dismounting The Freewheel Body And The Freewheel System
2.5 DISMOUNTING THE FREEWHEEL BODY AND THE FREEWHEEL SYSTEM 1. Pull the freewheel body off the hub. 2. Remove both ratchets and both springs from the hub. 3. Remove the spacer from the hub. Ratchet LN - Technical Manual... -
Page 8: Dismounting The Ring Nut
2.6 DISMOUNTING THE RING NUT Due to the torque acting on the ring nut during pedaling, the ring tightens while riding. Therefore, it is possible that the ring nut is very difficult to loosen. We recommend loosening the ring nut only when the wheel is complete as the lever is much larger. -
Page 9: Dismounting The Ball Bearing On The Non Drive Side
2. Remove the ball bearing from the axle. 2.8 DISMOUNTING THE BALL BEARING AT THE DRIVE SIDE 1. Insert the short side of the axle through the second ball bearing on the drive side. Ratchet LN - Technical Manual... - Page 10 2. Put the installation cylinder onto the axle. → By using the installation cylinder, the ball bearing cannot tilt during disassembly. Damage to the bearing seat is not possible. 3. Tap out the ball bearing with slight hammer strokes on the axle. 4.
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Page 11: Cleaning And Checking All Parts
3. Check the internal teeth of the freewheel body for wear. If the black surface of the gearing is heavily worn (no longer black but silver), if there are burrs or if material has been removed, the freewheel body must be replaced. Ratchet LN - Technical Manual... -
Page 12: Mounting The Ball Bearing At The Drive Side
2.10 MOUNTING THE BALL BEARING AT THE DRIVE SIDE 1. Grease the bearing seats and the thread of the ring nut with universal grease. 2. Put the installation cylinder into the vise. 3. Insert the long side of the axle into the installation cylinder. - Page 13 4. Insert the shim ring in the recess of the ring nut. 5. Place the hub on the tool. 6. Screw on the ring nut approx. 2 turns clockwise. 7. Remove the hub from the tool. Ratchet LN - Technical Manual...
- Page 14 8. Unclamp the ring nut tool, turn it 90° and clamp it back into the vise in the high position. 9. Put the hub back on the tool with the ring nut screwed in. 10. Tighten the ring nut as firmly as possible by hand.
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Page 15: Mounting The Ball Bearing At The Non Drive Side
→ The hub must turn smoothly. → The hub must not have axial play. 8. If necessary, drive in the bearing on the non drive side or loosen the bearing. 9. Repeat previous steps until the hub is turning smoothly. Ratchet LN - Technical Manual... -
Page 16: Assembling The Freewheel System And The Freewheel Body
Only apply a thin, even layer of grease. • Only use the red DT Swiss special grease. 1. Apply DT Swiss special grease evenly to the outer and the inner toothing of the ratchets using a fine brush. → For an optimal functionality of the freewheel system, a thin layer of grease is sufficient. -
Page 17: Mounting The End Cap
2.14 MOUNTING THE END CAP 1. Grease the ball bearing and the inside of the end cap with universal grease. 2. Put on the end cap by hand. Closing Steps: Link Mount the brake rotor Assembling the cassette Ratchet LN - Technical Manual... -
Page 18: Trouble Shooting
3. TROUBLE SHOOTING Issue Reason Solution Freewheel is blocked Spacer was forgotten during Check correct assembly, see “2.1 assembly. Overview”, page 5. Spacer was compressed by Measure the length of the spacer. If overtightening the thru axle. the spacer is shorter than 15.4 mm, it must be replaced. - Page 19 USA - Grand Junction, CO 81505 59302 Oelde info.us@dtswiss.com Germany info.de@dtswiss.com DT SWISS (FRANCE) S.A.S. DT SWISS POLSKA Sp. z o.o. Parc d‘Activites de la Sarrée ul. Towarowa 36 Route de Gourdon PL-64-600 Oborniki F - 06620 Le Bar sur Loup Poland info.fr@dtswiss.com...
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