14
5 Brake
Testing
(for Axial- and Radial Disc Brake)
5.1 Fault finding procedure
Lift vehicle,
turn wheel
by hand
Does wheel
turn smoothly?
Residual
pressure
within the
braking
cylinder?
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
Check and if
necessary,
change or
service
preceding
braking device
END
NO
YES
Running
clearance ok?
(see section 5.2)
Check adjuster
(see section 5.2)
END
Check and if
necessary,
maintain caliper
guide pins
(see section 9)
END
END
Adjuster ok?
END
Change caliper
(see section 10)
END
Tightness not
due to disc
brake
Caliper
guidance ok?
(see section 6.1.2)
Check and if
necessary,
maintain caliper
guide pins
(see section 9)
Brake pad wear
uneven?
(see note below)
Air
Disc
Brake
Running
clearance ok?
(see section 5.2)
Note: Difference between inboard and outboard pad less than 0.2in.(< 5mm), and diagonal wear
≤
0.08in (2 mm)
NO
Yes
END
FD00102EN-Äi01
