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DAF DA 475 - User Manual

DAF DA 475
46 pages
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Table of Contents

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Summary

Preface

Important Information

Key information regarding engine identification, repair scope, and terminology for DAF diesel engines.

Controls and Instruments

Engine Controls Overview

Detailed descriptions of essential engine controls and dashboard instruments for operation and monitoring.

Operation

Pre-Start Checks

Essential daily checks for oil level, cooling water, and fuel before starting the engine.

Engine Starting Procedure

Step-by-step guide for starting the engine, including cold starting device usage and safety remarks.

Normal Operation and Monitoring

Guidance on monitoring engine temperature, oil pressure, and dynamo charge during normal operation.

Engine Stopping Procedure

Correct steps for safely shutting down the engine, including cooling down and switching off systems.

Running-in Period

Recommendations for engine operation during the initial 200 working hours to ensure proper break-in.

Maintenance

Technical Data Overview

Key technical specifications for DAF diesel engines, including bore, stroke, and swept volume.

Lubrication

Engine Oil Quality and Level

Guidelines on selecting engine oil, checking oil level, and topping up procedures.

Oil Change and Filter Replacement

Intervals for changing engine oil and oil filter elements for various DAF engine models.

Oil Sump and Pump Strainer Maintenance

Instructions for cleaning oil sumps, strainers, and oil pump components.

Crankcase Ventilation

Procedures for cleaning crankcase ventilation filters to ensure proper engine breathing.

Fuel System

Fuel Purity and Storage

Importance of fuel quality, proper storage methods, and avoiding contamination.

Fuel Quality and Tank Maintenance

Diesel fuel specifications, handling low-temperature issues, and fuel tank draining requirements.

Fuel Filters and Lines

Details on main fuel filters, fuel lines, and checking for leaks on pressure and suction sides.

Fuel System Bleeding

Procedure for bleeding the fuel system to remove air and ensure proper fuel delivery.

Fuel Injection Pump

Bosch and CAV Injection Pumps

Information on Bosch and CAV fuel injection pumps, including maintenance and adjustment.

Governor Operation

Details on the lubrication and maintenance of the engine governor.

Injectors

Injector Adjustment and Checking

Procedure for adjusting and checking injector operation and pressure.

Air Filter Maintenance

Air Filter Cleaning Procedure

Steps for cleaning oil-wetted wire wool air filters and oil bath filters.

Cooling System

Coolant Types and Draining

Guidelines for coolant mixtures for summer/winter and procedures for draining the system.

V-Belt Tension

Instructions for checking and adjusting V-belt tension on engine components.

Thermostat Function and Check

Explanation of thermostat operation and methods for testing its functionality.

Frost Precautions and Anti-Freeze

Methods to prevent freezing, use of anti-freeze agents, and rust inhibitors.

Exhauster and Air Compressor

Exhauster System Maintenance

Information on exhauster lubrication, strainer cleaning, and operation.

Air Compressor Maintenance

Procedures for maintaining the air compressor, including head screw tightening and cleaning.

Servo Steering System

Servo Steering Pump Maintenance

Notes on the hydraulic pump for steering assistance and its maintenance requirements.

Electrical System

Battery Maintenance

Guidelines for checking battery electrolyte level, voltage, and terminal condition.

Dynamo and Starter Motor Maintenance

Checks for wiring, carbon brushes, and general maintenance of dynamo and starter motor.

Fault Finding Guide

Troubleshooting Engine Starting Issues

Common causes and solutions for engine not cranking or not starting.

Troubleshooting Engine Performance

Diagnosing issues like overheating, smoky exhaust, and loss of power.

Repairs and General Instructions

Cleanliness and Preparation

General principles for carrying out repairs, emphasizing cleanliness and part preparation.

Sealing and Gaskets

Guidelines for using gaskets, sealing compounds, and ensuring proper sealing.

Bolts, Nuts, and Locking Devices

Proper tightening procedures for bolts and nuts, including torque values and locking methods.

Engine Removal and Valve Clearance

Engine Removal Procedure

Steps and considerations for removing the engine from its mounting.

Valve Clearance Adjustment

Procedure for measuring and adjusting valve clearance on DAF engines.

Thermostat and Injector Replacement

Thermostat Check and Replacement

Method for testing thermostat operation and instructions for replacement.

Injector Replacement Procedure

Steps for replacing engine injectors, including cleaning and connection.

Outboard Water Cooling Systems

Intercooling Systems (Mercantile;Yacht)

Description of intercooler types and their function in engine cooling.

Keel and Skin Cooling

Explanation of keel and skin cooling methods for marine diesel engines.

Outboard Water Pump and Oil Cooler

Details on the outboard water pump, its belt tension, and the engine oil cooler.

Draining and Expansion Tank

Procedures for draining cooling systems in frosty weather and managing the expansion tank.

SIHI Outboard Water Pump

General Pump Description

Overview of the SIHI self-priming suction pump components and operation.

Pump Maintenance and Lubrication

Instructions for priming, lubrication, and checking bearing temperatures of the SIHI pump.

V-Belt and Packing Ring Renewal

Guidance on adjusting V-belt tension and replacing packing rings on the SIHI pump.

JABSCO Marine Pump

Pump Operation and Laying Up

Information on JABSCO pump operation, running dry limits, and vessel lay-up procedures.

Impeller Replacement

Step-by-step guide for removing and installing the impeller in the JABSCO pump.

Pump V-Belt and Draining

Maintenance tasks including V-belt checks and draining the JABSCO pump.

TWIN DISC Reversing Gear

Technical Data and Description

Specifications and a general description of the TWIN DISC MG-506 reversing gear.

Reversing Gear Operation and Maintenance

Guidance on operating, checking oil levels, and changing oil for the TWIN DISC gear.

Z.F. Reversing Gear

Technical Data and General Use

Specifications and application types for Z.F. BW30 reversing gears.

Reversing Gear Operation and Maintenance

Operating procedures, oil change intervals, and cleaning strainers for Z.F. reversing gears.

Z.F. Marine Engine Clutch BMK-80

Technical Data and General

Specifications and a general overview of the Z.F. BMK-80 electro-magnetic clutch.

Clutch Operation and Maintenance

Guidelines for operating the clutch, checking oil level, and performing oil changes.

VELVET Marine Gear

Marine Gear General Description

Description of the Velvet hydraulic marine gear, including reverse and reduction units.

Gear Operation and Lubrication

Operating instructions, gear change limits, and lubrication details for the Velvet gear.

ROCKFORD Plate Clutch

Clutch General Components

Overview of the Rockford clutch's main components and their arrangement.

Clutch Adjustment and Lubrication

Procedures for adjusting clutch wear and lubricating its components.

Maintenance Chart

Service Interval Schedules

Scheduled maintenance tasks for A-service, B-service, and daily checks based on operating hours.

Daily Maintenance Tasks

Routine checks to be performed daily for engine oil, cooling system, and instruments.

Special Operating Conditions

Adjustments to maintenance intervals for engines operating under special conditions.

Fuel and Lubricant Specifications

Engine Lubricant Requirements

Specifications for engine lubricants, including API and viscosity ratings for various DAF engine types.

Diesel Fuel and Coolant Additives

Requirements for diesel fuel and additives for coolant to prevent waxing and freezing.

Water Pump and Gearbox Lubricants

Lubricant specifications for water pumps, reversing gears, and gearboxes.

Tightening Torques of Cylinder Head Nuts and Bolts

Procedure for 615, 825, and 1160 Engines

Specific procedures and torques for refitting cylinder heads on 615, 825, and 1160 engines.

Tightening Sequence of Cylinder Heads

Cylinder Head Bolt Tightening Order

Diagram showing the correct sequence for tightening cylinder head nuts and bolts.

DAF DA 475 Specifications

General IconGeneral
BrandDAF
ModelDA 475
CategoryEngine
LanguageEnglish

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