Kohler KDW 2204 - Alternator Type Marelli AA 125 R 14 V 65 A; Characteristic Curves For Alternator Type Marelli Aa 125 R 14 V 65 A; Characteristic Voltage Curve For Regulator Type Rtt 119 Ac

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Alternator type Marelli AA 125 R 14V 65A
Characteristics:
Ratedvoltage............................14V
Ratedcurrent.............................65A
Max.speed................................14.000giri/1'
Peakspeed(max15min).........15.000rpm
Bearingoncontrolside..............6203.2z
Bearingonmanifoldside...........6201-2z/C3
Voltageregulator.......................RTT119AC
RHdirectionofrotation.
 Tightenthenut1 to60Nm.
Note: Lubethetwobearingswithhightemperaturegrease.
 ThealternatorhasaWterminalforaspeedindicator.
Characteristic voltage curve for regulator type RTT 119 AC
Theelectronicvoltageregulatorisbuiltintothealternator.
Thecurvechangesdependingontemperature.
A=Max.voltagecurve
B=Min.voltagecurve
Characteristic curves for alternator type Marelli AA 125 R
14V 65A
Thecurveshavebeendetectedwithelectronicvoltageregulator
afterthermalstabilizationat25°C;testvoltage13.5V.
P1=PowerinkW
I =CurrentinAmpere
η =Alternatorefciency
Note: Thealternatorrpmisequaltotherpmshowninthetable
multipliedby1000.
 Ratiobetweenengine/alternatorrpm=1:1.8
Electric system
Workshop Manual KDW 1603_2204_2204/T _ cod. ED0053029180 - 1° ed_rev. 00