Instruction Manual

installatiOn
21
mOunting Brake shOes
Danger of accident due to brake failure caused by faulty installation.
Ζ
Use original MAGURA brake shoes exclusively – they have an important
spacer, a correspondingly longer threaded sleeve and screw.
Ζ
Use only brake pads that have been approved by the rim manufacturer
(for carbon rims, for example).
Danger of accident by bursting tyres.
Ζ
Make sure that the brake pads cannot contact the tyres.
ÎÎ
The locking screw
(
1
)
for the brake pads in the direction of travel always
points to the rear
[
G1
]
.
ÎÎ
The spacer
(
2
)
for a narrow rim (18–22 mm) is between the convex
washer
(
3
)
and brake arm, for a wide rim (23–28 mm) between the
brake arm and the concave washer
(
4
)
[
G2
]
.
)
Install the brake shoes with all washers correctly aligned and posi-
tioned on the brake arm and align them with the brake pad in the –
later – approximate final position.
)
Tighten brake shoe screws
(
5
)
only hand tight at this stage.
Adjusting brake shoe
)
Screw the pressure point adjusting screw
(
1
)
in (+) or out (-)
[
H2
]
.
ÎÎ
Brake pads move close to the brake track area (+) or further away(-).
The optimum distance for the brake shoe setting is 2–3 mm.
ÎÎ
The preliminary pressure point can be felt at the brake lever.
)
Make sure that the brake shoe screws
(
2
)
are loose
[
H1
]
.
ÎÎ
The brake shoe can move freely.
)
Pull and hold brake lever.
)
Align the brake pads precisely to the brake track area
(
3
)
.
)
Tighten the brake shoe screws
(
2
)
to a tightening torque of 6–7 N·m
(53–62 lbf·in).
setting pressure pOint
Danger of accident due to brake failure caused by faulty installation.
The stops
(
1
)
are exclusively for tensioning the brake cable
[
D5
]
.
Ζ
Never attempt to adjust the pressure point of the brake with the stops.
)
Screw in the pressure point adjusting screw
(
1
)
(+) (1 turn)
[
H2
]
.
ÎÎ
Brake pads move closer to the brake track area (ca. 0.5 mm).
ÎÎ
Pressure point on the brake lever acts at an earlier point.
If the pressure point cannot be set within the permissible range:
)
Make sure that all washers of the brake shoe are correctly installed
–see mOunting Brake shOes, page 21.
)
For a wide rim (23–28 mm) in combination with particularly flat or – in
the permitted range – worn brake pads:
install spacer
(
2
)
between the convex washer
(
3
)
and brake arm
[
G2
]
.
)
In case of advanced wear of the pads, replace the worn brake pads by
new ones.