Scania DC12 User Manual

Operator’s Manual
DI12, DC12
EMS with S6/PDE
Industrial engine
opm_d12ind_en-GB01 1 920 785
IMPORTANT INFORMATION
When work is being carried out on the engine such as adjusting drive belts, changing oil or
adjusting the clutch, it is important not to start the engine. The engine may be damaged and
there is
A SERIOUS RISK OF INJURY
For this reason, always secure the starting device or disconnect a battery cable before working on
the engine.
This is especially important if the engine has a remote starter or automatic starting.
This warning symbol and text is reproduced beside those maintenance points where the risk of
injury is particularly great.
!
COMMISSIONING REPORT - WARRANTY
When the commissioning report has been filled in and sent to Scania, you have a 1-year warranty from the date
of commissioning.
Also fill in the particulars below as this can make things easier if you need to contact for example a service
workshop.
Engine number
Date of commissioning
User’s name and address
Signature
Engine type
Variant
Engine type and variant are indicated on the engine type plate

Scania DC12 Specifications

General

Configuration	Inline 6-cylinder
Bore x Stroke	127 mm x 154 mm
Cooling System	Liquid-cooled
Engine Type	Diesel
Displacement	11.7 liters
Weight	Approx. 1100 kg

Summary

Important Information

Commissioning Report - Warranty

Foreword

Environmental Responsibility

Certified Engines

Scania Industrial and Marine Engine Warranty

Emission Control Systems Warranty

Details warranty for emission control systems.

Warranty Period

Specifies the duration of the warranty coverage.

Parts Covered by Warranty

Lists components included in the emission warranty.

General Warranty Limitations

Outlines general restrictions and responsibilities for warranty.

Specific Warranty Exclusions

Lists specific conditions not covered by the warranty.

Customer Support

Contact information for warranty assistance.

Safety Information

General Safety Precautions

Covers general safety principles and warnings for engine operation.

Safety Precautions for Running the Engine

Essential safety measures before and during engine operation.

Safety Precautions for Handling Materials

Guidelines for safe handling of fuels, oils, and chemicals.

Safety Precautions for Care and Maintenance

Safety procedures for engine maintenance and servicing.

Type Designations

EMS Engine Management System

Troubleshooting using Flash Codes for EMS Control Unit

Reading Off Control Unit Fault Codes

Procedure to retrieve fault codes from the EMS control unit.

Clearing Fault Codes

Steps to erase passive fault codes from the EMS control unit.

Troubleshooting using Flash Codes for EMS Co-ordinator

Reading Off Coordinator Fault Codes

Procedure to retrieve fault codes from the EMS coordinator.

Clearing Fault Codes

Steps to erase passive fault codes from the EMS coordinator.

Starting and Driving

First Start

Initial maintenance steps before the first engine start.

Coolant Composition

Details on coolant types and recommended mixtures for protection.

Checks Before Running

Starting the Engine

Starting at Low Temperatures

Running

Engine Speed

Describes engine speed ranges and their implications.

Limp Home Mode

Coolant Temperature

Oil Pressure

Charging Indicator Lamp

Stopping the Engine

Checks After Running

Maintenance

Maintenance Intervals

Defines different maintenance schedules based on operating hours.

Engines with Few Hours of Operation

Specific maintenance for engines with low usage.

Maintenance Schedule

Lubricating Oil System

Oil Grade

Specifies engine oil classifications and viscosity requirements.

Oil Analysis

Details on oil analysis for determining change intervals.

Checking the Oil Level

Oil Change

Maximum Angles of Inclination During Operation

Cleaning the Oil Cleaner

Functional Inspection of Oil Cleaner

Renewing the Oil Filter

Checking Coolant Level

Checking Coolant

Antifreeze Glycol and Cooling System Volume

Checking the Corrosion Inhibitor

Changing Coolant

Cleaning the Cooling System

External Cleaning of Radiator

Instructions for cleaning the engine radiator fins.

Charge Air Cooler Cleaning (DI Engine)

Procedure for cleaning the charge air cooler on DI engines.

Internal Cleaning of Cooling System

Removing Oil and Grease

Steps to remove oil and grease from the cooling system.

Removing Deposits

Procedure for removing deposits from the cooling system.

Air Cleaner

Test Reading of Vacuum Indicator

How to read the vacuum indicator for air cleaner status.

Cleaning the Air Cleaner's Coarse Cleaner

Maintenance procedure for the coarse cleaner component.

Cleaning or Changing Filter Element

Instructions for servicing the air cleaner filter element.

Changing Safety Cartridge

Fuel System

Checking Fuel Level

Daily check procedure for the fuel level.

Renewing the Fuel Filter

Procedure for replacing the main fuel filter and water separator.

Bleeding the Fuel System

Electrical System

Checking Electrolyte Level in Batteries

Procedure for checking battery electrolyte levels.

Checking State of Charge in Batteries

Method for checking battery charge status using an acid tester.

Cleaning Batteries

Steps for cleaning batteries, cables, and terminals.

Renewing the Battery

Checking Coolant Level Monitor

Miscellaneous

Checking Drive Belt

Inspection of drive belt condition and tensioner.

Look for Leakage, Rectify as Necessary

Check and Adjust Valve Clearance

Order of Adjustment for Valve Clearance

Checking and Adjusting Unit Injector Rocker Arms

Order of Adjustment for Unit Injector Rocker Arms

Adjusting PDE31 Unit Injector

Adjusting PDE32 Unit Injector

Renewing (or Cleaning) the Closed Crankcase Ventilation Valve

Preparing the Engine for Storage

Preservative Coolant

Specifications for coolant used during engine storage.

Preservative Fuel

Instructions for using preservative fuel for engine storage.

Preservative Oil and Preparations for Storage

Batteries and Storage

Taking Out of Storage

Technical Data - General

Technical Data - Fuel, Cooling, Electrical Systems

Fuel Specifications

Temperature Dependence of Diesel Fuel

Scania Assistance