Parts Manual
Marine Generator Set
MDKAU (Spec A−C)
Table of Contents
SECTION PAGE
SAFETY PRECAUTIONS
1 INTRODUCTION
About this Manual
Fuel Recommendations
Engine Oil Recommendations
Starting Batteries
Specifications
2 OPERATION
Control Panel
Starting and Stopping the Genset
Operation 2-3
3 PERIODIC MAINTENANCE
General Inspection
Checking Engine Oil Level
Changing Engine Oil and Filter
Draining / Changing Fuel Filter
Maintaining Battery and Battery Connections
Engine Cooling System
4 ENCLOSURE, DRIP PAN AND MOUNTING SYSTEM
Enclosure Panels
Drip Pan and Mounting System
Overview
Control Switch S4
Emergency Switch/Breaker CB1
Hour Meter M11
Line Circuit Breaker CB3
Engine Oil Pressure Sender E1
Engine Coolant Temperature Sender E2
Raw Water Flow Switch S6 5-6
High Exhaust Temperature Switch S5
Glow Plug Relay K3 5-6
Battery Charging Regulator AVR1
Ground Isolation Relay K9
Onan MDKAU Marine Generators Parts Manual
6 GENERATOR
Overview 6-1
Servicing the Generator
Servicing Brushes and Slip Rings
Testing Field Flash 6-3
Testing Generator Windings
Reconnecting the Generator
Adjusting Frequency
Adjusting Voltage
7 GENERATOR DRIVE
Overview 7-1
Inspecting Drive and Bearings
Service
8 ENGINE
Major Engine Service
Intake Resonator Assembly
Exhaust Manifold
Fuel System
Glow Plugs
Governor Actuator
Starter
9 TROUBLESHOOTING
WIRING DIAGRAM
WIRING HARNESS
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Onan MDKAU Marine Generators Parts Manual