Kohler KDW 1603 - Alternator Type Iskra, Aak3139 14 V 80 A; Characteristic Curves For Alternator Type Iskra, AAK3139 14 V 80 A; Characteristic Voltage Curve For Regulator Type Aer 1528

11
183
182
181
- 90 - - 90 -
Electric system
Alternator type Iskra, AAK3139 14V 80A
Characteristics:
Ratedvoltage................................................... 14V
Ratedcurrent....................................................80A
Speedoftheloadstartingpoint........................1350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 Iskra, AAK3139
14V 80A
Thecurveshavebeendetectedwithelectronicvoltageregulator
afterthermalstabilizationat23±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