Komatsu 830E-AC Shop Manual page 275

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.
FIGURE 10-46.
46. Screw
2. Remove remaining five Torx screws (46) using
a number T25 Torx bit.
3. Clean out three threaded puller holes in top of
rotor (47).
FIGURE 10-47.
46. Screw
D10003 07/06
47. Rotor
47. Rotor
Battery Charging Alternator
NOTE: If necessary to loosen rust, use an air chisel
with a rounded-point hammer bit to vibrate the area
between screw holes on the rotor face.
4. Thread three screws (46) into the puller holes.
Tighten the screws evenly to start removing
rotor (47) from rotor shaft (48).
.
FIGURE 10-48.
46. Screw
47. Rotor
Threaded screws (46) may not be long enough to
completely remove rotor (47) from the rotor shaft. If
necessary, use a three jaw gear puller to completely
remove the rotor. Using the three jaw gear puller
may damage the rotor if it is rusted to the rotor shaft.
FIGURE 10-49.
47. Rotor.
48. Rotor Shaft
74. Three Jaw
Gear Puller
D10-45