Wilier ULT38 KT Manual De Uso Y Mantenimiento página 8

W I L I E R . C O M
The front hub does not require any particular
maintenance.
For any extraordinary maintenance and replacement
of bearings, follow these simple steps:
• Remove the contact item (A) (Fig. 1)
• On the same side from which you removed the
contact item, insert a 12mm Allen wrench (M) on
the hub pin and, using a classic 17mm wrench (N),
unscrew the contact item (B) counterclockwise (Fig.
2)
• Remove the axle from the side of the disc brake.
• Once the axle has been removed, you can replace the
bearings:
• Use a special puller for 17mm holes and remove both
bearings (S) from their seat (Fig. 3)
• Once these have been replaced, proceed fitting the
new bearings:
• Using a special tool, insert both new bearings in their
seat, checking the correct smoothness.
• Insert the hub axel (C) again and tighten the contact
item (B) with the 17mm wrench (N) at the tightening
torque of 15Nm. (Fig. 2)
• If necessary adjust the hub by working on the ring
(F) (Pic. 2):
• Unlock the grub screw (I) with a allen wrentch 2mm
(L).
• Turn the ring in clock sense to drop the sliding, and in
anti-clock sense to rise the sliding.
• Lock the grup screw (I) (Pic.2).
• Check the sliding of the wheel.
Please check that the hub is correctly tightened and
closed, failure to do so could lead to a serious or fatal
accident.
Warning
!
8
Use original spare parts exclusively provided by
Wilier Triestina spa. Any modification or alteration
(also graphic) of the product with non-original
spare parts or spare parts not delivered directly by
Wilier Triestina spa., involves the expiration of the
guarantee.
REAR HUB
The rear hub requires cleaning and lubrication of the
ratchets in the freewheel body.
For any maintenance:
• Insert allen wrentch 12mm (M) on right side of the
hub (Pic. 4).
• Using adjustable wrentch (N), unscrew left stop (O)
• Extract the axel of rear hub with the freehub body (E).
If necessary at this point you can:
# L OV E M Y W I L I E R
• Change the bearings (S).
• Grease the cogs with low density grease.
• Extract from the axel the freehub body with the
relative spacer (Z) continue the cleaning process of
hub.
• Warning: the bearings of the freehub body and no
replaceable.
• Re-fit the axel (C) inside hub body with the spacer
(Z). Take care to position of the pawls (Pic.4).
• Insert allen wrentch 12mm (M) on right side of the
hub (Pic.6).
• Stopping left stop (O) with adjustable wrentch (N)
locking at 15 Nm (Pic. 6)
• If necessary adjust the hub by working on the ring
(H) (Pic. 6):
• Unlock the grub screw (I) with a allen wrentch 2mm
(L) (Pic. 6).
• Turn the ring in clock sense to drop the sliding, and
in anti-clock sense to rise the sliding.
• Lock the grub screw (I) (Pic.6).
• Check the sliding of the wheel.
Please check that the hub is correctly tightened and
closed, failure to do so could lead to a serious or fatal
accident.
Warning
!
Use original spare parts exclusively provided by
Wilier Triestina spa Any modification or alteration
(also graphic) of the product with non-original
spare parts or spare parts not delivered directly by
Wilier Triestina spa, involves the expiration of the
guarantee.
3
SPOKES
The spokes used for the assembly of the wheels have
the following sizes and characteristics.
ULT 38 KT Rear wheel
Right side 270 mm
Left side 267 mm
CHANGE A SPOKE
Warning
!
If you have any doubt whatsoever your service-repair
ability, please take your bicycle to a qualified repair
shop.
Before any maintenance operations on your wheels,
always wear gloves and protection glasses.
Use only spokes of the same length and
Front wheel
268 mm
273 mm