Kohler KDW 1603 - Alternator Type Iskra, Type AAK3570 28 V 35 A (for 24 V Outfits); Characteristic Curves For Alternator Type Aak3570 28 V 35 A (For 24 V Outfits); Characteristic Voltage Curve For Regulator Type Aer 1528

11
190
189
188
- 94 - - 94 -
Electric system
Alternator type Iskra, type AAK3570 28V 35A
(for 24 V outts)
Characteristics:
Ratedvoltage................................................. 28V
Ratedcurrent.................................................. 35A
Speedoftheloadstartingpoint...................... 1140rpm
Maximumpermanent
intermittentspeed(max.15').......................... 13000-15000rpm
Frontbearing.................................................. 6303-2RS-C3
Rearbearing................................................... 6201-2RS-C3
Max.forceonthebearing.............................. 600N
Voltageregulator............................................ AER1528
RHdirectionofrotation.
 Tightenthenut1 to60÷70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 AER 1528
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 AAK3570 28V
35A (for 24 V outts)
Thecurveshavebeendetectedwithelectronicvoltageregulator
afterthermalstabilizationat23±5°C;testvoltage13V.
I =CurrentinAmpere
Note: Thealternatorrpmisequaltotherpmshowninthetable
multipliedby1000.
 Ratiobetweenengine/alternatorrpm=1:1.8.
Workshop Manual KDW 1603_2204_2204/T _ cod. ED0053029180 - 1° ed_rev. 00