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Renault RC8D User Manual

Renault RC8D
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Renault RC8D Specifications

General IconGeneral
BrandRenault
ModelRC8D
CategoryEngine
LanguageEnglish

Summary

TABLEAU DE BORD

Control Panel Components

Details the function of each control panel element: stop, starter, temp, ignition, alternator, and charge lights.

SPECIFICATIONS

UTILIZATION

BEFORE START UP

Checks before starting the engine, ensuring sea-water supply and correct fluid levels.

ACTIVATING THE ALTERNATOR

How to cut out the alternator to use full engine power for propulsion or battery charging.

STARTING THE ENGINE ELECTRIC START

Procedure for starting the engine using the electric starter.

WITH STARTING CORD

Procedure for starting the engine using the starting cord.

COLD STARTING

Special procedures for starting the engine in cold weather conditions.

Starting Aid

Procedure using oil-fuel mixture for difficult cold starts.

WITH ENGINE RUNNING

Recommendations for clutch operation and checking the charge light.

STOPPING THE ENGINE

Procedure for safely stopping the engine after operation.

RUNNING IN

Guidelines for the engine break-in period to ensure proper operation.

PERIODICAL MAINTENANCE

LUBRICATION AND OIL CHANGE

ENGINE

Instructions for engine oil quality, quantity, checking, and changing.

REVERSE-GEAR

Instructions for reverse gear oil quality, quantity, checking, and draining.

BLEEDING FUEL CIRCUIT

Procedure for bleeding the fuel system to ensure proper fuel supply.

DRAINING WATER CIRCUIT

Procedure for draining the engine's water circuit, especially for winterization.

CHECKING SACRIFICIAL ANODE

Inspection and replacement of the sacrificial anode.

LAYING UP FOR WINTER

TECHNICAL DETAILS

WATER PUMP INSTALLATION

Instructions for correctly installing the water pump and its intake piping.

ENGINE SETTINGS

Procedures for adjusting engine valve clearances.

REVERSE GEAR SETTING

Procedures for adjusting the gearbox travel and neutral position.

ELECTRICAL SYSTEM

ENGINE TROUBLES

A. The engine does not start

Troubleshooting steps for when the engine fails to start.

B. The engine does not gather speed

Troubleshooting steps for lack of engine speed or power.

C. The engine lacks power

Troubleshooting steps for reduced engine power or black exhaust smoke.

D. The engine is overheating

Troubleshooting steps for engine overheating issues.

E. The engine stops

Troubleshooting steps for unexpected engine shutdown.

F. The engine vibrates

Troubleshooting steps for engine vibration issues.

G. Electricals

Troubleshooting for electrical system faults.

I/ The starter does not work

Steps for diagnosing a non-functional starter motor.

II/ The starter works but the pinion does not engage

Steps for diagnosing starter engagement issues.

III/ Alternator not charging

Steps for diagnosing alternator charging problems.

REVERSING GEAR TROUBLE

A - Reverser slippage

Troubleshooting for reverse gear slippage where the engine revs but doesn't drive the shaft.

B - Reverser motion correct. No forward motion

Troubleshooting for correct reverse but no forward gear.

C - Correct motion. No reverse motion

Troubleshooting for correct forward but no reverse gear.

D - The propeller shaft rotates in one direction or in the other but the ship does not advance

Troubleshooting when the propeller shaft turns but the ship doesn't move.

E - No forward nor reverse motion

Troubleshooting for no movement in either direction despite normal lever operation.

F - Hardness noted in front and rear motion

Troubleshooting for stiffness in forward or reverse gear engagement.

G - Dry continous rattling at the clutch

Troubleshooting for dry, continuous rattling during clutch engagement.

H - Oil leakage through the breather

Troubleshooting for oil leakage from the breather.

I - Oil leakage

Troubleshooting for general oil leakage issues.

ELECTRICAL SYSTEM

STARTER

Details, removal, refitting, and dismantling of the starter motor.

AC GENERATOR

Details, removal, refitting, and dismantling of the alternator.

Details, removal, refitting, and dismantling of the alternator.

INJECTION

INJECTION PUMP

Details, removal, refitting, and setting of the injection pump.

INJECTOR

Characteristics, removal, checking, dismantling, cleaning, and reassembly of the injector.

TIMING THE PUMP AND SETTING THE ENGINE SPEED

Procedures for timing the injection pump and setting engine speed.

REVERSING GEAR

HOW IT WORKS

Explanation of the operating principle of the reversing gearbox.

TAKING OUT THE GEARBOX

Procedure for removing the gearbox from the boat or workshop.

REFITTING THE GEARBOX

Procedure for reinstalling the gearbox onto the boat or in the workshop.

DISMANTLING

General procedure for dismantling the reversing gearbox.

Control system

Steps for removing and dismantling the gearbox control system.

Removing the input roundel

Procedure for removing the input roundel from the gearbox.

Removing the adaptation flange

Steps for removing the adaptation flange.

Secondary Shaft

Procedure for removing and dismantling the secondary shaft.

Intermediate Pinion

Procedure for removing and dismantling the intermediate pinion.

Primary Shaft

Procedure for dismantling the primary shaft.

Removing the output Roundel

Procedure for removing the output roundel.

Intermediate Pinion

Procedure for removing and dismantling the intermediate pinion.

Dismantling the Primary Shaft

Procedure for dismantling the primary shaft.

REASSEMBLY

General procedure for reassembling the gearbox.

Fitting the primary shaft

Steps for refitting the primary shaft and its components.

Output roundel

Steps for refitting the output roundel and its components.

Intermediate Pinion

Steps for refitting the intermediate pinion and its components.

Secondary Shaft

Steps for refitting the secondary shaft and its components.

Adaptation flange

Steps for refitting the adaptation flange.

Input roundel

Steps for refitting the input roundel.

Control system

Steps for refitting the gearbox control system.

Adjusting the setting of the gearbox

Procedures for adjusting gearbox settings for proper operation.

POSSIBLE FAULTS

Engine

Troubleshooting common engine faults and their remedies.

Reversing Gear

Troubleshooting common reversing gear faults and their remedies.

E. The engine stops

Troubleshooting steps for unexpected engine shutdown.

F. The engine vibrates

Troubleshooting steps for engine vibration issues.

G. Electricals

Troubleshooting for electrical system faults.

I/ The starter does not work

Steps for diagnosing a non-functional starter motor.

II/ The starter works but the pinion does not engage

Steps for diagnosing starter engagement issues.

III/ Alternator not charging

Steps for diagnosing alternator charging problems.

B - Reverser motion correct. No forward motion

Troubleshooting for correct reverse but no forward gear.

C - Correct motion. No reverse motion

Troubleshooting for correct forward but no reverse gear.

D - The propeller shaft rotates in one direction or in the other but the ship does not advance

Troubleshooting when the propeller shaft turns but the ship doesn't move.

E - No forward nor reverse motion

Troubleshooting for no movement in either direction despite normal lever operation.

F - Hardness noted in front and rear motion

Troubleshooting for stiffness in forward or reverse gear engagement.

G - Dry continous rattling at the clutch

Troubleshooting for dry, continuous rattling during clutch engagement.

H - Oil leakage through the breather

Troubleshooting for oil leakage from the breather.

I - Oil leakage

Troubleshooting for general oil leakage issues.

INTRODUCTION

GENERAL

NAMING THE PARTS

Identification of engine parts with a diagram and list.

IDENTIFICATION

Identification details for the engine and gearbox using stamped plates.

SPECIFICATIONS

Detailed technical specifications for the RC8D engine.

TIGHTENING TORQUES

Torque specifications for various engine and gearbox fasteners.

OVERALL DIMENSIONS

Overall physical dimensions of the engine with diagrams.

WATER CIRCUIT

Diagram illustrating the engine's water cooling circuit.

FUEL CIRCUIT

Diagram illustrating the engine's fuel supply system.

ELECTRICAL CIRCUIT

Diagram of the engine's electrical system and component list.

ENGINE

TAKING OUT THE UNIT

Procedure for removing the engine unit from the boat.

REPLACING THE UNIT

Procedure for reinstalling the engine unit onto the boat.

DISMANTLING THE ENGINE

General procedure for dismantling the engine.

Cylinder Head

Steps for removing the cylinder head and its components.

Decompression lever

Procedure for removing the decompression lever.

Valves

Procedure for removing the valves and related components.

Checking the Cylinder Head

Checks and conditions for replacing the cylinder head.

Reassembly : Valves :

Reassembly of valves and related components.

Reassembly : Decompression lever

Reassembly of the decompression lever.

Refitting the Cylinder Head

Steps for refitting the cylinder head and its components.

Flywheel

Procedure for removing and refitting the flywheel.

Lower Plate

Procedure for removing and refitting the lower plate.

Piston - cylinder

Procedure for dismantling the piston and cylinder.

Checking :

Checks for cylinder liner, piston, and ring groove wear.

Crankshaft

Procedure for dismantling the crankshaft and related components.

Swingers

Procedure for replacing worn swingers.

REASSEMBLY OF ENGINE

General procedure for reassembling the engine.

Crankshaft

Steps for refitting the crankshaft and related components.

Piston-Connecting Rod

Steps for refitting the piston and connecting rod assembly.

Flywheel

Procedure for refitting the flywheel and its components.

Governor

Procedure for refitting the governor assembly.

Timing system cover

Procedure for fitting the timing cover and related parts.

Lower Plate

Procedure for refitting the lower plate.

Checking the neutral space

Procedure for checking neutral space and cylinder liner condition.

Legs

Procedure for refitting the engine mounting legs.

Front Pulley

Procedure for fitting the front pulley.

WATER PUMP

How the water pump works and its removal/refitting procedures.

How it works

Explanation of the cooling and bilge pump functions.

Removing

Procedure for removing the water pump assembly.

Refitting

Procedure for refitting the water pump assembly.

Dismantling

Procedure for dismantling the water pump assembly.

pumps

Steps for dismantling the pump body and rotor.

bearings

Steps for dismantling the water pump bearings.

Reassembly

Procedure for reassembling the water pump.

bearings

Steps for refitting the water pump bearings.

pumps

Steps for refitting the water pump assembly.

ELECTRICAL SYSTEM

STARTER

Details, removal, refitting, and dismantling of the starter motor.

AC GENERATOR

Details, removal, refitting, and dismantling of the alternator.

Details, removal, refitting, and dismantling of the alternator.

INJECTION

INJECTION PUMP

Procedure for removing, refitting, and setting the injection pump.

INJECTOR

Characteristics, removal, checking, dismantling, cleaning, and reassembly of the injector.

TIMING THE PUMP AND SETTING THE ENGINE SPEED

Procedures for timing the injection pump and setting engine speed.

Timing the pump

Steps for timing the injection pump.

Setting the Fuel Flow

Procedure for setting the fuel flow rate.

Setting the engine speed (r.p.m.)

Procedure for setting the engine speed using a tachometer.

REVERSING GEAR

HOW IT WORKS

Explanation of the operating principle of the reversing gearbox.

TAKING OUT THE GEARBOX

Procedure for removing the gearbox from the boat or workshop.

REFITTING THE GEARBOX

Procedure for reinstalling the gearbox onto the boat or in the workshop.

DISMANTLING

General procedure for dismantling the reversing gearbox.

Control system

Steps for removing and dismantling the gearbox control system.

Removing the input roundel

Procedure for removing the input roundel from the gearbox.

Removing the adaptation flange

Steps for removing the adaptation flange.

Secondary Shaft

Procedure for removing and dismantling the secondary shaft.

Intermediate Pinion

Procedure for removing and dismantling the intermediate pinion.

Primary Shaft

Procedure for dismantling the primary shaft.

Removing the output Roundel

Procedure for removing the output roundel.

Intermediate Pinion

Procedure for removing and dismantling the intermediate pinion.

Dismantling the Primary Shaft

Procedure for dismantling the primary shaft.

REASSEMBLY

General procedure for reassembling the gearbox.

Fitting the primary shaft

Steps for refitting the primary shaft and its components.

Output roundel

Steps for refitting the output roundel and its components.

Intermediate Pinion

Steps for refitting the intermediate pinion and its components.

Secondary Shaft

Steps for refitting the secondary shaft and its components.

Adaptation flange

Steps for refitting the adaptation flange.

Input roundel

Steps for refitting the input roundel.

Control system

Steps for refitting the gearbox control system.

Adjusting the setting of the gearbox

Procedures for adjusting gearbox settings for proper operation.

POSSIBLE FAULTS

Engine

Troubleshooting common engine faults and their remedies.

Reversing Gear

Troubleshooting common reversing gear faults and their remedies.

E. The engine stops

Troubleshooting steps for unexpected engine shutdown.

F. The engine vibrates

Troubleshooting steps for engine vibration issues.

G. Electricals

Troubleshooting for electrical system faults.

I/ The starter does not work

Steps for diagnosing a non-functional starter motor.

II/ The starter works but the pinion does not engage

Steps for diagnosing starter engagement issues.

III/ Alternator not charging

Steps for diagnosing alternator charging problems.

B - Reverser motion correct. No forward motion

Troubleshooting for correct reverse but no forward gear.

C - Correct motion. No reverse motion

Troubleshooting for correct forward but no reverse gear.

D - The propeller shaft rotates in one direction or in the other but the ship does not advance

Troubleshooting when the propeller shaft turns but the ship doesn't move.

E - No forward nor reverse motion

Troubleshooting for no movement in either direction despite normal lever operation.

F - Hardness noted in front and rear motion

Troubleshooting for stiffness in forward or reverse gear engagement.

G - Dry continous rattling at the clutch

Troubleshooting for dry, continuous rattling during clutch engagement.

H - Oil leakage through the breather

Troubleshooting for oil leakage from the breather.

I - Oil leakage

Troubleshooting for general oil leakage issues.

INTRODUCTION

GENERAL

NAMING THE PARTS

Identification of engine parts with a diagram and list.

IDENTIFICATION

Identification details for the engine and gearbox using stamped plates.

SPECIFICATIONS

Detailed technical specifications for the RC8D engine.

TIGHTENING TORQUES

Torque specifications for various engine and gearbox fasteners.

OVERALL DIMENSIONS

Overall physical dimensions of the engine with diagrams.

WATER CIRCUIT

Diagram illustrating the engine's water cooling circuit.

FUEL CIRCUIT

Diagram illustrating the engine's fuel supply system.

ELECTRICAL CIRCUIT

Diagram of the engine's electrical system and component list.

ENGINE

TAKING OUT THE UNIT

Procedure for removing the engine unit from the boat.

REPLACING THE UNIT

Procedure for reinstalling the engine unit onto the boat.

DISMANTLING THE ENGINE

General procedure for dismantling the engine.

Cylinder Head

Steps for removing the cylinder head and its components.

Decompression lever

Procedure for removing the decompression lever.

Valves

Procedure for removing the valves and related components.

Checking the Cylinder Head

Checks and conditions for replacing the cylinder head.

Reassembly : Valves :

Reassembly of valves and related components.

Reassembly : Decompression lever

Reassembly of the decompression lever.

Refitting the Cylinder Head

Steps for refitting the cylinder head and its components.

Flywheel

Procedure for removing and refitting the flywheel.

Lower Plate

Procedure for removing and refitting the lower plate.

Piston - cylinder

Procedure for dismantling the piston and cylinder.

Checking :

Checks for cylinder liner, piston, and ring groove wear.

Crankshaft

Procedure for dismantling the crankshaft and related components.

Swingers

Procedure for replacing worn swingers.

REASSEMBLY OF ENGINE

General procedure for reassembling the engine.

Crankshaft

Steps for refitting the crankshaft and related components.

Piston-Connecting Rod

Steps for refitting the piston and connecting rod assembly.

Flywheel

Procedure for refitting the flywheel and its components.

Governor

Procedure for refitting the governor assembly.

Timing system cover

Procedure for fitting the timing cover and related parts.

Lower Plate

Procedure for refitting the lower plate.

Checking the neutral space

Procedure for checking neutral space and cylinder liner condition.

Legs

Procedure for refitting the engine mounting legs.

Front Pulley

Procedure for fitting the front pulley.

WATER PUMP

How the water pump works and its removal/refitting procedures.

How it works

Explanation of the cooling and bilge pump functions.

Removing

Procedure for removing the water pump assembly.

Refitting

Procedure for refitting the water pump assembly.

Dismantling

Procedure for dismantling the water pump assembly.

pumps

Steps for dismantling the pump body and rotor.

bearings

Steps for dismantling the water pump bearings.

Reassembly

Procedure for reassembling the water pump.

bearings

Steps for refitting the water pump bearings.

pumps

Steps for refitting the water pump assembly.

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