2007 ISUZU KB P190 Workshop Repair Manual

Page 1009 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6D – 8  ENGINE ELECTRICAL 
 
033RY00009
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cooling Fan Drive Belt 
1.  Hold the generator toward

Page 1010 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE ELECTRICAL   6D – 9 
 
  DISASSEMBLY 
  
 
 
RTW46DLF000401 
 Disassembly Step     
   1.  
Vacuum pump       
   2.  
O-ring     
   3.  
Through bolt       
   4.  
B Terminal nut

Page 1011 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6D – 10  ENGINE ELECTRICAL 
     
 
 
 
RTW46DSH000101 
Important Operations 
1. Vacuum Pump 
1.  Loosen the vacuum pump fixing screws.  
2.  Support the vacuum pump O-ring. 
3.  Carefully remove th

Page 1012 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE ELECTRICAL   6D – 11 
   
 
 
RTW46DSH000301   
7. Rotor Assembly 
1.  Remove the rotor from front cover assembly. 
  
Remove the front cover stator and rectifier. 
 
 
  
 
 RTW46DSH000701

Page 1013 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6D – 12  ENGINE ELECTRICAL 
  INSPECTION AND REPAIR 
Make the necessary adjustments, repairs, and part replacement if excessive wear or damage is discovered during  
inspection. 
 
ROTOR ASSEMBLY 
1

Page 1014 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE ELECTRICAL   6D – 13 
STATOR COIL ASSEMBLY 
1.  Check for continuity across the stator coils. 
If there is no continuity, the stator coils must be  
replaced. 
Resistance Between The Terminal

Page 1015 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6D – 14  ENGINE ELECTRICAL 
  RECTIFIER ASSEMBLY 
  
 
 
RTW46DSF000301 
  
  1. Voltmeter  
2. Switch 1 
3.  DC regulated power supply 
4. Lamp 2 
5. Lamp 1 
6. Switch 3 
7. Switch 2 
8. Pulse gene

Page 1016 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE ELECTRICAL   6D – 15 
 Oil seal 
The oil seal must be replaced with a new one whenever  
the alternator is disassembled. 
 
  
  Oil Seal Replacement 
1.  Push the old oil seal from the rear