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General| Engine Model | D1-13 B |
|---|---|
| Number of Cylinders | 2 |
| Fuel System | Indirect injection |
| Cooling System | Freshwater cooling with heat exchanger |
| Bore x Stroke | 67 mm x 72 mm |
Manual overview and importance of reading safety information.
Explanation of warning symbols (WARNING!, IMPORTANT!, NOTE!) used in the manual.
Details manual purpose, content, and Volvo Penta's modification policy.
Importance of using Volvo Penta Original Spare Parts for safety and warranty.
Requirements for servicing emission-certified engines, emphasizing compliance.
Adherence to specs, original parts, and environmental awareness in repairs.
Explains torque specs, cleaning for fasteners, and general torque values.
Essential tips to avoid damaging MDI units and electronics during repairs.
Diagnosing cable/connector faults using visual checks and resistance measurements.
Precautions and procedures for electric welding near engine components.
States starter motor fault tracing is for authorized workshops.
How to measure battery voltage for starting power.
Step-by-step instructions for dismounting alternator brushes.
Explains alternator operation, voltage limits, and consumer role in output.
Troubleshooting battery, no charge, undercharge, and overcharge conditions.
Troubleshooting Easy-Link instruments that freeze or fail.
Purpose and operation of the MDI system and its components.
How instruments use a serial communication bus with EVC.
Tachometer's alarm functions and output to the instrument serial bus.
EVC display as a complement to tachometer, showing operation and alarms.
How fuel level gauges connect to the instrument bus and MDI.
MDI system supports NMEA 2000.
Multisensor connection and data display.
Illustrates placement of basic instrumentation on the engine.
Shows deluxe instrumentation layout and connections.
Mechanical Diesel Interface (MDI) and its connections.
Engine oil pressure switch, location, and operation.
Coolant temperature sensor, location, and resistance properties.
Engine speed sensor, inductive nature, and signal transmission.
Stop solenoid as an electromagnetic relay controlling fuel supply.
Glow plugs, installation, and function during starting.
Starter motor, reduction gear, and power ratings.
Alternator function, voltage output, and sense system.
A table correlating symptoms with troubleshooting sections.
Meaning of alarm lamps and indicators on the instrument panel.
Fault indication, circuit, and tracing for oil pressure warnings.
Measure MDI input voltage for the oil pressure switch.
Fault indication, circuit, and tracing for coolant temperature warnings.
Measure MDI output voltage for the coolant temperature sensor.
Resistance values for checking the coolant temperature sensor.
Fault indication, symptoms, and circuit description for multilink communication.
Diagnosing multilink faults, including cable issues and component failures.
Resistance and AC voltage checks for the flywheel speed sensor.
Meaning of NMEA 2000 gateway LED indicators.
Checking bus cables for open/short circuits using a multimeter.
Fault indication, cable description, and tracing for fuel level warnings.
Measuring resistance and voltage of the fuel level sensor.
Fault indication, symptoms, cable description, and tracing for button panel malfunctions.
Continuity tests for the button panel using a multimeter.
Fault indication, symptoms, cable description, and tracing for stop solenoid issues.
Measuring MDI output voltage for the stop solenoid.
Testing the stop solenoid directly with a power supply.
Fault indication, symptoms, and cable description for start/preheat warnings.
Diagnosing start/preheat issues, including engine not cranking and no preheat symbol.
Measuring MDI output voltage for the starter solenoid.
Measuring MDI output voltage for the preheat function.
Fault indication and tracing for battery warnings, specifically overcharging.
Checking alternator excitation voltage for proper charging.
Pin assignments for the button panel connected to the MDI.
Pin assignments for the Multi link communication bus.
Pin assignments for the engine harness connected to the MDI.
Specs for voltage and battery capacity.
Specs for alternator voltage output, current, and power.
Starter motor power ratings for different engine models.
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