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If the front brake disc is seized,
install a M8 x 1.25 bolts as shown,
and remove the disc by tightening the bolts evenly and
gradually.
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1.Install the brake hose end
on the bracket and another end on the front brake
assembly.
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2.Twist the brake hose
towards the lesser torsion between the brake hose and
bracket as
shown and secure it to the bracket.
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1.In order to measure the
brake drag torque, measure the hub torque with the pads
removed
by the following procedure.
(1)
Use a spring balance to measure the hub torque in the
forward direction.
(2)
Record hub torque with pads removed.
2.
| caution |
Do not let any oil, grease or
other contamination get
onto the friction surfaces of the pads and brake
discs.
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After re-installing the caliper support to the
knuckle, install the pad clips and the
pads to the caliper support.
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3.Clean the piston and
insert into cylinder with special tool disc brake piston
expander
(MB990520).
4.Install the pad clips and the pads
to the caliper support and tighten the pin bolt
to the specified torque.
Tightening torque : 38
±
4 N·m
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1.Check the brake drag force
as follows.
(1)
Start the engine and hold the brake pedal down for 5
seconds. (Pedal depression force:
approximately 200 N)
(2)
Stop the engine.
(3)
Turn the brake disc forward 10 times.
(4)
Use a spring balance to measure the hub torque with pads
installed in the same direction
as earlier.
(5)
Calculate the drag force of the disc brake [difference
between hub torque
with pads installed and hub torque with pads
removed].
Standard value: 68 N or
less
2.If the brake drag force exceeds the
standard value, disassemble and clean the piston.
Check for corrosion or worn piston seal, and check the
sliding condition of the lock pin and
guide pin.
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