RATCHET EXP OS
HUBS
TECHNICAL MANUAL
V2021.10
Page 1: ...RATCHET EXP OS HUBS TECHNICAL MANUAL V2021 10...
Page 2: ...ewheel body and freewheel system 7 2 5 Dismounting the bearing on the non drive side 8 2 6 Dismounting the hub seal 8 2 7 Dismounting the threaded ratchet 9 2 8 Dismounting the bearing from the thread...
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 a specialist or a DT Swiss Service Center Any warrant...
Page 4: ...ndicated at the beginning of a chapter in the table Required Tools 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 lia...
Page 5: ...0 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 2 2 REQUIRED TOOLS Tools Specification Quantity Article number installati...
Page 6: ...g tube 20 g HXT10032508S ball bearing drive side 1728 17 28 x 7 mm 1 HSBXXX00N9115S ball bearing non drive side 1526 15 26 x 7 mm 1 HSBXXX00N3741S hub seal 1 HSOXXX00N1031S spacer 25 9 19 9 x 2 3 mm 1...
Page 7: ...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 freewheel body off...
Page 8: ...slight hammer strokes onto the axle 2 Remove the ball bearing from the axle 2 6 DISMOUNTING THE HUB SEAL 1 Using a slotted screwdriver with a blade width of about 2 5 mm slide under the hub seal into...
Page 9: ...e mounting dismounting tool for the threaded ratchet into the vice 2 Fit the hub or wheel onto the tool in such a way that the teeth of the tool engage in the teeth of the threaded ratchet 3 Insert th...
Page 10: ...ed ratchet must face upwards Put the ratchet on the side of the tool with the fitting diameter The ratchet may only move minimally in the tool HXTXXX00N6106S 2 Slide the axle with its long end through...
Page 11: ...are no damages These are normal signs of usage 2 10 PRESSING THE BALL BEARING INTO THE THREADED RATCHET 1 Slightly grease the contact surface of the bearing and the threaded ratchet 2 Put the threaded...
Page 12: ...he thread of the hub shell with universal grease 2 Clamp the mounting dismounting tool for the threaded ratchet into the vice 3 Place the threaded ratchet with pressed in ball bearing on the tool 4 Sl...
Page 13: ...Tighten the threaded ratchet as tight as possible by turning the hub clockwise by hand HXTXXX00N5314S 8 Remove the hub from the mounting dismounting tool and put the tool out of the vice 2 12 MOUNTING...
Page 14: ...inder onto the bearing 7 Tap in the ball bearing carefully with slight hammer strokes HXTXXX00N5314S HXTXXX00N3157S 8 Check the ball bearings It must be possible to turn the hub with slight resistance...
Page 15: ...ool HXTXXX00N5026S is used to mount the hub seal the axle may be damaged or the ball bearing on the non drive side may be loosened from its bearing seat Only use the mounting tool HXTXXX00N1000S with...
Page 16: ...ANGER RISK OF INJURY DUE TO LIMITED FREEWHEEL FUNCTION DUE TO INCORRECT LUBRICATION If too much grease is applied on the ratchets the actuation of the ratchets may not work The ratchets may slip durin...
Page 17: ...Ratchet EXP OS Technical Manual 17 2 Put the spacer onto the axle 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 18: ...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 19: ...out Replace ball bearings Hub rotates stiffly Ball bearings are worn out Replace ball bearings Ball bearing non drive side too tight Check correct assembly see 2 1 Overview page 5 Mounting sequence o...
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