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Ratchet EXP - Technical Manual

5

2.  MAINTENANCE OF THE REAR WHEEL HUB WITH RATCHET EXP

®

 SYSTEM

2.1  OVERVIEW

1

2

3

4

5

6

7

8

9

10 11

12

13

1 end cap non drive side

8 spacer

2 ball bearing non drive side

9 loose ratchet

3 axle

10 spring

4 hub shell

11 washer

5 ball bearing drive side

12 freewheel body

6 threaded ratchet

13 end cap drive side

7 hub seal

Summary of Contents for RATCHET EXP

Page 1: ...RATCHET EXP HUBS TECHNICAL MANUAL V2022 01...

Page 2: ...l body and freewheel system 8 2 5 Dismounting the ball bearing on the non drive side 9 2 6 Dismounting the threaded ratchet 10 2 7 Dismounting the bearing from the threaded ratchet 11 2 8 Checking the...

Page 3: ...rienced user the possibility to carry out minor service work himself If you have any doubts about your own abilities you should definitely contact an expert or a DT Swiss Service Center Any warranty c...

Page 4: ...e indicated at the beginning of a chapter in the table Required material The use of different tools is at the discretion of the user If components are damaged by the usage of differing tools the user...

Page 5: ...TCHET EXP SYSTEM 2 1 OVERVIEW 1 2 3 4 5 6 7 8 9 10 11 12 13 1 end cap non drive side 8 spacer 2 ball bearing non drive side 9 loose ratchet 3 axle 10 spring 4 hub shell 11 washer 5 ball bearing drive...

Page 6: ...5314S mounting dismounting tool for the threaded ratchet 1 HXTXXX00N8387S mounting dismounting tool ball bearing drive side 1 HXTXXX00N6106S installation tool for hub seal 1 HXTXXX00N1000S The tool ki...

Page 7: ...XXX00N2464S ball bearing for 240 hubs Drive side non drive side 1526 15 x 26 x 7 mm 2 HSBXXX00N3741S hub seal 1 HSOXXX00N1031S spacer HRDXXX00N8242S Service Kit 36 teeth consisting of loose ratchet 36...

Page 8: ...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 2 Pull the freew...

Page 9: ...ratchet and the washer from the freewheel body 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...

Page 10: ...Insert the axle with the long side first into the hub and through the threaded ratchet If the axle is inserted through the ratchet with the short side first the tool is not sufficiently guided The ax...

Page 11: ...hing of the threaded ratchet must face upwards Put the ratchet on the side of the tool with the fitting diameter The ratchet may only move minimally in tool HXTXXX00N6106S 2 Slide the axle with its sh...

Page 12: ...h in the hub shell 4 Turn the screwdriver 90 around its longitudinal axis and push the seal out of its seat 2 9 CLEANING AND CHECKING ALL PARTS 1 Clean all parts of the hub threaded ratchet sleeve spr...

Page 13: ...nd the threaded ratchet 2 Put the threaded ratchet with the toothing facing downwards onto the mounting dismounting tool Put the ratchet on the side of the tool with the fitting diameter The ratchet m...

Page 14: ...th universal grease 2 Put the installation cylinder into the vise 3 Insert the axle into the installation cylinder with the short side first 4 Push the hub shell onto the installation cylinder with th...

Page 15: ...on cylinder and unclamp the installation cylinder from the vice 8 Clamp the mounting dismounting tool for the threaded ratchet into the vice 9 Slide the axle with its long end through the ball bearing...

Page 16: ...t 2 Grease the bearing seat and the axle with universal grease 3 Push a new bearing on the axle with the colored side facing outwards 4 Clamp the mounting dismounting tool for the threaded ratchet int...

Page 17: ...e in or out and repeat previous steps until the hub is turning smoothly 2 13 MOUNTING THE HUB SEAL 1 Put the sealing onto the mounting tool HXTXXX00N1000S 2 Make sure that the axle is in the hub with...

Page 18: ...on of the ratchets may not work The ratchets may slip during pedaling 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 oute...

Page 19: ...Ratchet EXP Technical Manual 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...

Page 20: ...caps 4 Put on the left and the right end cap The shorter end cap must be placed on the drive side 2 16 CHECK THE FUNCTIONALITY 1 Turn the freewheel body in both directions The freewheel body can be tu...

Page 21: ...Ratchet EXP Technical Manual 21...

Page 22: ...ee 2 1 Overview page 5 Ball bearings are worn out Replace ball bearings Hub rotates stiffly Ball bearings are worn out Replace ball bearings Ball bearing non drive side too tight Check correct assembl...

Page 23: ...64 600 Oborniki Poland service pl dtswiss com DT SWISS AG L ngfeldweg 101 CH 2504 Biel Bienne service ch dtswiss com DT SWISS INC 2493 Industrial Blvd USA Grand Junction CO 81505 techusa dtswiss com D...

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