Komatsu 830E-AC Shop Manual page 283

Field Coil Removal
DO NOT damage or bend studs (61).
1. Position the alternator in the support stand with
the anti-drive end facing up.
2. Permanently mark the letters ADE on the sur-
face of field coil (60) in the location of the miss-
ing screw.
3. Remove eight Torx screws (53) using a number
T15 Torx bit.
FIGURE 10-77.
53. Screws
Field coil retaining screws (53) have been
installed with a thread lock compound (Loctite).
DO NOT use air impact tools to remove screws.
Use only hand tools to carefully remove these
screws. Using air tools can cause the screws to
break, resulting in damage.
D10003 07/06
60. Field Coil
Battery Charging Alternator
4. Reposition the alternator in the support stand
with the drive end facing up.
FIGURE 10-78.
5. Permanently mark the letters DE on the surface
of field coil (60) in the location of the missing
screw.
6. Remove eight Torx screws (53) using a number
T15 Torx bit.
FIGURE 10-79.
53. Screws 60. Field Coil
D10-53