1.1 Disassembly
1) Remove the brake cover tightening bolts and
remove the disc brake assembly on it.
2)The actuator can be disassembled by removing
Spring
3) Detach the brake arm and the cam from the
brake cover (Fig.7-2)
4) Pull out the snap ring from the brake housing.
5) Remove the pinion gear.
6) Extract the bearing with a puller and Release
the lock of Nut.
7) Remove the wheel gear
8) Remove the wheel shaft with a hammer
9) Be careful to keep the mechanical seal and the
taper roller bearing
Note : Removed the mechanical seal should be
replaced with a new one when reassembled
Be careful to keep the friction surfaces of the
linings, Actuators and separator plates free
from damage and foreign matter.
7-4
1.2. INSPECTION
1) Friction plates.
Replace the plates whose surfaces have been
become glossy by carbonization or whose
thickness exceeds the usable limit.
Standard thickness:mm(in) 3.4±0.1(0.134)
Usable limit:mm (in) 3.0 (0.118)
Note : Also replace those whose grooves have
been worn out completely even if only
on one side
Fig.7-4
Fig.7-3
Aligning mark
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