Komatsu 830E-AC Shop Manual page 305

Dump truck, serial numbers a30001-a30035
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11. Remove the alternator from the support stand.
Install woodruff key (49) in the rotor shaft.
Install pulley (3) with flat washer (2) and nut (1).
Use an air impact wrench and a 30 mm impact
socket to tighten the nut to 163 N·m (120 ft lb).
FIGURE 10-146.
1. Lock Nut
2. Flat Washer
Regulator Installation
1. Set the selectable voltage set point switch on
the back side of the regulator to the correct
position.
FIGURE 10-147.
D10003 07/06
49. Woodruff Key
Battery Charging Alternator
NOTE: The setting of this switch can depend on the
type of battery being used. Refer to Battery in this
chapter for additional information.
2. Place the regulator on the alternator. Install four
screws (38) with Bellville washers (39) using an
8 mm socket. Tighten the screws to 8 N·m (70
in. lb).
FIGURE 10-148.
38. Screws
3. Connect wiring harness (36) to voltage regula-
tor (37).
FIGURE 10-149.
36. Wiring Harness
39. Bellville Washers
37. Voltage Regulator
D10-75

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