Wisper 906 Alpino Owner's Manual page 16

Use a 3mm Allen wrench(Refer to picture) to adjust the left side
14.3.3.3.
caliper's pad 0.3mm clearance between the rotor.
14.3.4. Removing and installing pads.
Unscrew two caliper screws
14.3.4.1.
fixed in the rear fork. Remove
the clip(Refer 14.3.3.1 picture),
and then unscew the bolt
shown in the picture. Then
manoeuver the pads out of the
rotor slot.
14.3.4.2.
insert it into caliper slot with
its metal backing towards the
piston. Make sure the hole in the metal
backing goes over the piston pins. When correctly inserted, the
pad will be held in place magnetically, repeat the procedure for
the other pad.
Warning: If you are unsure about any part of the installation process
you should seek advice from Wisper service center or qualified
mechanic.
15 Stem handle bar clamp
Holding the pad end-tab,
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