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Summary of Contents for DT SWISS RATCHET EXP
- Page 1 RATCHET EXP HUBS TECHNICAL MANUAL V2022.01...
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Page 2: Table Of Contents
How to use the manual ....................4 General Maintenance Information ................4 Environmental protection .................... 4 Exclusion of liability ..................... 4 1.10 Warranty ........................4 2. MAINTENANCE OF THE REAR WHEEL HUB WITH RATCHET EXP SYSTEM ..5 ® Overview ........................5 Required tools ......................6 Required wearing parts and materials ............... -
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
The use of different tools is at the discretion of the user. If components are damaged by the usage of differing tools, the user is liable. 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. -
Page 5: Maintenance Of The Rear Wheel Hub With Ratchet Exp
2. MAINTENANCE OF THE REAR WHEEL HUB WITH RATCHET EXP SYSTEM ® 2.1 OVERVIEW end cap non drive side spacer ball bearing non drive side loose ratchet axle 10 spring hub shell 11 washer ball bearing drive side 12 freewheel body... -
Page 6: Required Tools
* The tool kit can be purchased as a complete set or the included tools can be purchased separately. 2.3 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... - Page 7 • threaded ratchet 36T HWYXXX00N0042S • spring • washer • DT Swiss special grease Service kit 54 teeth consisting of: • loose ratchet 54T • threaded ratchet 54T HWYXXX00N9376S • spring • washer • DT Swiss special grease Ratchet EXP - Technical Manual...
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Page 8: Removing End Caps, Freewheel Body And Freewheel System
2.4 REMOVING END CAPS, FREEWHEEL BODY AND FREEWHEEL SYSTEM 1. Pull off both end caps by hand. If the end caps cannot be pulled off by hand, clamp the end caps carefully into a vise with ground clamping jaws and pull the hub / wheel upwards. -
Page 9: Dismounting The Ball Bearing On The Non Drive Side
2.5 DISMOUNTING THE BALL BEARING ON THE NON DRIVE SIDE 1. Tap out the ball bearing on the non drive side with a plastic hammer with slight hammer strokes onto the axle. 2. Remove the ball bearing from the axle. Ratchet EXP - Technical Manual... -
Page 10: Dismounting The Threaded Ratchet
2.6 DISMOUNTING THE THREADED RATCHET Due to the torque which acts on the threaded ratchet during pedaling, the threaded ratchet tightens during riding. We recommend loosening the ratchet only when the wheel is complete as the lever is much larger. 1. -
Page 11: Dismounting The Bearing From The Threaded Ratchet
2. Slide the axle with its short end through the bearing. 3. Use a plastic hammer to knock the ball bearing out of the ratchet with light hammer strokes. 4. Remove the ratchet and the bearing from the tool. Ratchet EXP - Technical Manual... -
Page 12: Checking The Sealing
2.8 CHECKING THE SEALING The sealing must only be dismounted and changed when it is damaged. 1. Check the sealing for damages. 2. If there is clearly visible damage, replace the sealing: To replace the sealing, there is a notch in the hub shell. -
Page 13: Pressing The Ball Bearing Into The Threaded Ratchet
4. Carefully press the bearing into the ratchet with light hammer strokes on the outer ring of the ball bearing until the bearing protrudes 1 to 2 mm beyond the ratchet. → The ball bearing must not be pressed further into the ratchet. Ratchet EXP - Technical Manual... -
Page 14: Screwing The Threaded Ratchet With The Bearing Into The Hub Shell
2.11 SCREWING THE THREADED RATCHET WITH THE BEARING INTO THE HUB SHELL 1. Slightly grease the threaded ratchet and the thread of the hub shell with universal grease. 2. Put the installation cylinder into the vise. 3. Insert the axle into the installation cylinder with the short side first. - Page 15 → During tightening of the threaded ratchet, some pressure should be applied to the hub from above so that the tool engages securely in the ratchet at all times. Ratchet EXP - Technical Manual...
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Page 16: Mounting The Ball Bearing At The Non Drive Side
13. Remove the hub from the mounting / dismounting tool and put the tool out of the vice. 2.12 MOUNTING THE BALL BEARING AT THE NON DRIVE SIDE 1. Make sure that the axle is in the hub with the long side first. 2. -
Page 17: Mounting The Hub Seal
2. Make sure that the axle is in the hub with the short side first. 3. Put the mounting tool with the sealing onto the axle. HXTXXX00N5314S / 4. Push on the installation cylinder and drive HXTXXX00N5025S in the sealing with slight hammer strokes. Ratchet EXP - Technical Manual... -
Page 18: Mounting The Freewheel System
• 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. - Page 19 3. Put the spring onto the washer and put the ratchet o to the spring. 4. Put the washer, spring, and ratchet into the freewheel body. Ratchet EXP - Technical Manual...
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Page 20: Putting On The Freewheel Body And The End Caps
2.15 PUTTING ON THE FREEWHEEL BODY AND THE END CAPS 1. Put the freewheel body onto the hub. 2. Check if the freewheel body can be turned and if the ratchets are engaging. 3. Grease both bearings and the inner side of both end caps. - Page 21 Ratchet EXP - Technical Manual...
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Page 22: Trouble Shooting
3. TROUBLE SHOOTING Issue Reason Solution Freewheel is blocked Spacer was forgotten during Check correct assembly, assembly. see “2.1 Overview”, page 5. Spacer was compressed by Measure the length of the spacer. overtightening the thru axle. If the spacer is shorter than 10.7 mm, it must be replaced. - Page 23 USA - Grand Junction, CO 81505 59302 Oelde techusa@dtswiss.com Germany service.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 service.fr@dtswiss.com...
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