EasyManua.ls Logo

Onan MDKBR

Onan MDKBR
93 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
Caution: This document contains mixed page sizes (8.5 x 11 or 11 x
17), which may affect printing. Please adjust your printer settings
according to the size of each page you wish to print.
Redistribution or publication of this document, 
by any means, is strictly prohibited.

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Onan MDKBR and is the answer not in the manual?

Onan MDKBR Specifications

General IconGeneral
ModelMDKBR
CategoryPortable Generator
Fuel TypeDiesel
Voltage120/240V
Frequency60 Hz
Engine Type3-cylinder, liquid-cooled diesel
Starting SystemElectric

Summary

Safety Precautions

Engine Exhaust is Deadly

Warns about the lethal nature of exhaust gas and its symptoms, advising immediate medical attention.

Generator Voltage is Deadly

Highlights the extreme danger of generator voltage and requires qualified electricians for connections.

Diesel Fuel is Combustible

Warns about the flammability of diesel fuel and ignition sources, advising to keep them well away.

Moving Parts Can Cause Severe Personal Injury or Death

Alerts to the hazards of moving parts like belts and fans, advising to keep guards in place.

Battery Gas is Explosive

Warns about explosive battery gases and safety measures like wearing safety glasses and not smoking.

Flammable Vapor Can Cause a Diesel Engine to Overspeed

Explains the danger of flammable vapors causing engine overspeed and difficulty in stopping.

2. Control Panel

Fault Screen

Details how fault information, including fault number and description, is displayed on the LCD screen.

3. Operation

Pre-Start Checks

Lists essential checks to perform before starting the genset each day, including CO detectors and loads.

Starting the Genset

Provides step-by-step instructions for starting the genset from local or remote panels.

Loading the Genset

Discusses how equipment load affects genset operation and power output, including motor startup loads.

4. Periodic Maintenance

Maintaining the Battery and Battery Connections

Provides safety precautions and steps for maintaining battery terminals and connections.

Changing Engine Oil and Filter

Outlines the steps for changing engine oil and filter, including safety warnings.

DrainingReplacing Fuel Filters

Explains how to drain water/sediment and replace fuel filters, with safety precautions.

Maintaining the Engine Cooling System

Covers general maintenance for the engine cooling system, including system overview and recommendations.

Replacing Raw Water Pump Impeller

Provides step-by-step instructions for replacing the raw water pump impeller, including tool usage.

5. Genset Control

Configuring a Replacement Controller

Explains how to configure a replacement genset controller to match the genset model and generator.

Removing Replacing the Controller

Provides instructions for removing and replacing the genset controller, with safety precautions.

Major Functions of Genset Controller

Details initialization, fuel prime, startup, stop functions, and fault monitoring of the controller.

Fault Monitoring, Shutdown and Diagnostics

Refers to the troubleshooting section for fault management, including fault codes and diagnostics.

Digital Display

Details functions of the digital display, including its screen, buttons, status lamps, and connections.

Governor Actuator (A12)

Explains the function, testing, and replacement of the governor actuator that controls fuel rack position.

6. Engine and Accessories

Major Engine Service

Refers to the Engine Workshop Manual for major engine service procedures and specifications.

7. Generator

8. Reconfiguring Voltage and Frequency

9. Troubleshooting

Troubleshooting with Digital Display

Explains how to interpret faults displayed on the e-Series Digital Display, including fault numbers and descriptions.

Troubleshooting with Status Lamp

Describes fault codes indicated by blinking status lamps on the control switch, like engine temperature.

No Response at Digital Display or Control Switch

Provides corrective actions for issues where the display or control switch does not respond.

No AC Power When Genset is Running

Covers troubleshooting for lack of AC power, checking circuit breakers and generator connections.

High Engine Temperature-Code No. 1

Details troubleshooting steps for high engine temperature faults, including coolant, impeller, and thermostat.

Low Oil Pressure-Code No. 2

Provides corrective actions for low oil pressure faults, including oil level, sender, and wiring checks.

Overcrank-Code No. 4

Lists corrective actions for overcrank faults, including fuel, battery, glow plugs, and governor checks.

Warning-Shutdown Due to Vessel CO-Code No. 5

Advises on actions for shutdowns due to dangerous levels of Carbon Monoxide in the vessel.

Loss of Raw Water Flow-Code No. 7

Details troubleshooting steps for loss of raw water flow, including strainers, hoses, and impeller checks.

High AC Voltage-Code No. 12

Covers troubleshooting for high AC voltage faults, suggesting fewer loads and checking fuel systems.

Low AC Voltage-Code No. 13

Lists corrective actions for low AC voltage faults, including fuel checks and reducing loads.

High AC Frequency-Code No. 14

Provides troubleshooting for high AC frequency, focusing on loads, fuel, and governor actuator.

Low AC Frequency-Code No. 15

Details troubleshooting for low AC frequency, including fuel, governor, and engine checks.

Governor Overload-Code No. 22

Lists corrective actions for governor overload faults, such as reducing appliance usage and checking fuel.

Faulty Oil Pressure Sender-Code No. 23

Explains troubleshooting for faulty oil pressure sender, including tightening terminals and checking resistance.

Faulty Temperature Sender-Code No. 24

Covers troubleshooting for faulty temperature sender, including checking terminals, wiring, and sender resistance.

Loss of AC Voltage Sense-Code No. 27

Details troubleshooting for loss of AC voltage sense, checking pins, wiring, and generator.

Starting Fault-Code No. 32

Lists corrective actions for starting faults, including battery, oil viscosity, starter relay, and engine checks.

Unknown Shutdown-Code No. 36

Provides troubleshooting for shutdowns not caused by control action, checking mechanical damage and fuel.

Invalid Genset Configuration-Code No. 37

Details steps for handling invalid genset configuration, including checking connectors and reconfiguring.

Field Overload-Code No. 38

Covers troubleshooting for field overload conditions, such as removing air blockages and checking appliances.

Speed Sense Lost-Code No. 45

Lists troubleshooting steps for lost speed sense, checking windings and replacing the controller.

High Exhaust Temperature-Code No. 58

Details troubleshooting for high exhaust temperature, checking water flow, strainers, and impeller.

10. Specifications

Related product manuals