Komatsu 830E-AC Shop Manual page 282

Dump truck, serial numbers a30001-a30035
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Use a bearing driver with a slightly smaller diam-
eter than the outer race of the bearing. Pressing
against the inner race of the bearing will cause
bearing damage.
22. Use a bearing driver to remove the bearing from
the housing. Discard the bearing.
FIGURE 10-74.
Drive End Rotor Removal
1. If necessary, remove drive end rotor (47) from
rotor shaft (48), using the following steps.
FIGURE 10-75.
47. Drive End Rotor
D10-52
48. Rotor Shaft
Battery Charging Alternator
2. Remove one Torx screw (46) using a number
T25 Torx bit. Scribe a mark on the face of the
rotor at the center of the screw hole. This will be
used to correctly position the rotor during
assembly.
FIGURE 10-76.
46. Screw
The rotor retaining screws have been installed
with a thread lock compound (Loctite). DO NOT
use air impact tools to remove screws (46). Use
only hand tools to carefully remove these
screws. Using air tools can cause the screws to
break, resulting in damage.
3. Remove remaining five Torx screws (46) using
a number T25 Torx bit.
4. Place rotor (47) and rotor shaft (48) into a
hydraulic press and remove the shaft. Ensure
the rotor is fully supported by the press table.
47. Rotor
D10003 07/06

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