Kohler 6.5-27EFOZD

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TP-6255 7/0662 Section 7 Controller

Notes

Table of Contents

Product Identification Information2
Table of Contents3
Safety Precautions and Instructions5
Introduction11
Service Assistance11
Section 1 Specifications13
- General13
- Engine14
- Generator, 4 Lead18
- Generator, 12 Lead19
- Service Views20
- Torque Specifications21
Section 2 Scheduled Maintenance23
- General23
- Lubrication System24
Section 3 Intake and Exhaust System25
- Air Intake Silencer/Cleaner25
- Exhaust System Inspection26
- Servicing Mixing Elbow26
- Turbocharger (Models: 14/15.5/23/24EOZD and 11.5/13/20EFOZD)26
Section 4 Fuel System29
- General29
- Fuel Filter29
  - Bleeding the Fuel System31
- Fuel Pump32
- Governor32
Section 5 Cooling System33
- General33
- Water-Cooled Exhaust Manifold34
- Closed Heat Exchanger34
- Check and Fill Coolant34
- Flush and Clean Cooling System35
- Pressure Cap35
- Impeller Inspection and Replacement35
- Belt Tension36
- Siphon Break38
Section 6 Troubleshooting39
- Introduction39
- Initial Checks39
- General39
- Troubleshooting Chart39
Section 7 Controller45
- Introduction45
- Advanced Digital Control Display and Keypad46
- Sequence of Operation47
- Faults48
  - Fault Shutdowns48
  - Warnings48
- Controller Configuration and Adjustment50
- Controller Application Program55
- Silicon Controlled Rectifier (SCR) Module55
- Continuous Power Mode Jumper, if Equipped57
- Master Switch58
- Relay Interface Board (RIB)59
- Controller Replacement60
Section 8 Component Testing and Adjustment63
- Theory of Operation63
- Separate Excitation63
- Exciter Field65
- Exciter Armature66
- Rectifier Module67
- Rotor67
- Stator68
- Voltage70
  - Voltage Regulation70
  - Voltage Adjustment70
- Four-Lead Reconnection72
  - 120-Volt Configurations72
  - 240-Volt Configurations73
- Twelve-Lead Reconnection73
- Fault Shutdown Tests74
  - Controller Fault Shutdown Functions74
  - Fault Shutdown Switches75
- Fuses76
- Continuity Checks76
Section 9 Generator Disassembly/Reassembly79
- Disassembly79
- Reassembly83
Section 10 Wiring Diagrams85
- Manual Marine (Ship-To-Shore) 2 Wire and 3 Wire Transfer Switches90
- Manual Marine (Ship-To-Shore) 4 Wire Transfer Switch91
Appendix A Abbreviations93
Appendix B Common Hardware Application Guidelines95
Appendix C General Torque Specifications96
Appendix D Common Hardware Identification97
Appendix E Common Hardware List98

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