Volvo D2-40 B User Manual

Workshop manual
Group 30
A
2(0)
D1-13 B • D1-20 B
D1-30 B • D2-40 B
D2-55 D • D2-55 E
D2-75 B • D2-75 C
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Volvo D2-40 B Specifications

General

Engine Type	Diesel
Number of Cylinders	4
Fuel System	Direct injection
Max RPM	3000 RPM
Power Output	40 hp (29 kW)
Cooling System	Freshwater cooled
Alternator	115A

Summary

Safety Information

Specific Safety Precautions

Handling chemicals, fuel, oil, batteries, and lifting procedures.

The MDI System and Instrumentation

MDI System Overview and Functionality

Component Descriptions

Repair Instructions and Fault Tracing

Specific Component Checks

Charging System Diagnostics

Charging System Overview and Troubleshooting

Alternator info and fault tracing for charging system.

Charging System Measurements

Battery voltage measurements during engine operation.

Malfunctions and Alarm Interpretation

Malfunction Symptom Guide

Symptom-to-section mapping.

Alarm Display Explanation

Oil Pressure Warning

Coolant Temperature Warning

Fault Indication and Circuit

Coolant temperature warning display and circuit.

Fault Tracing and Actions

Coolant temperature fault conditions, reasons, and actions.

Sensor Resistance Checks

Coolant Temperature Sensor Resistance

Multilink and Sensor Faults

Multilink Faults and Flywheel Sensor

Multilink and Speed Sensor Tracing

Speed Sensor Measurements

Gateway and Bus Cable Diagnostics

NMEA 2000 Gateway LED Status

Bus Cable Fault Tracing

Fuel Level and Button Panel Faults

Fuel Level Warning Diagnostics

Button Panel Fault Diagnostics

Stop Solenoid and Start/Preheat Faults

Stop Solenoid Fault Diagnostics

Stop solenoid fault indication, circuit, and tracing.

Start/Preheat Warning Diagnostics

Start/preheat warning fault indication and tracing.

Battery Warning and Alternator Excitation

Battery Warning Diagnostics

Battery warning fault indication and tracing.

Alternator Excitation Voltage Check

Measuring alternator excitation voltage.