Komatsu 830E-AC Shop Manual page 239

Terminal Identification and Location
FIGURE 10-2. TERMINAL LOCATIONS
B+. Battery Positive
B-. Battery Negative
Battery Positive (B+)
Main positive power terminal on the alternator.
Located on the control housing.
Battery Negative (B-)
Main negative power terminal (ground) on the alter-
nator. Located on the drive end housing.
DC Output (D+)
Positive DC voltage output from the alternator. May
be used for specific control circuit. Located on the
regulator. Limited to one or two amp output.
AC Output (R)
Relay terminal. AC current output terminal for the
tachometer or for relay use. Located on the regulator.
D10003 07/06
D+. DC Output
R. AC Output
Battery Charging Alternator
Regulator Harness Plug Identification
FIGURE 10-3. PIN CONNECTION IDENTIFICATION
Alternator Specifications
Volts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28VDC
Amps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260
Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Negative
Regulator Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Regulator Settings . . . . . . . . . . . . . . . . . . . . . . . 27.5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28.5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28.0
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29.0
Weight . . . . . . . . . . . . . . . . . . . . . . . . . 29 kg (65 lbs)
Performance Curve
Measurements listed on the curves are for a stabi-
lized machine at maximum output at temperatures
indicated for each curve.
FIGURE 10-4. ALTERNATOR PERFORMANCE
CURVE
D10-9