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Industrial & Marine Engines
IMPORTANT INFORMATION
When working on the engine, e.g. when adjusting the belts, changing oil or adjusting the clutch it is
important that the engine does not start. The engine may be damaged but above all there is -
!
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 it is
especially important to consider the risk of injury.
Operator's Manual
DI9 55 - DI9 59
Marine engine
opm99-9m en
1 588 713
2001-05:1
START-UP REPORT - WARRANTY
When the start-up report has been filled in and sent to Scania there is a 1 year warranty starting from
the start-up date. Also enter the below information since this will facilitate contacts with e.g. service
workshops .
Engine number
Start-up date
User's name and address
Signature
Engine type
Variant
Engine type and variant are indicated on the engine type plate
https://www.boat-manuals.com/scania/
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Summary of Contents for Scania DI9 55
- Page 1 START-UP REPORT - WARRANTY When the start-up report has been filled in and sent to Scania there is a 1 year warranty starting from the start-up date. Also enter the below information since this will facilitate contacts with e.g. service workshops .
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Page 2: Foreword
The electronic control system is called DEC2 (Digital Electronic Control) and is described in greater detail on page 12. A common application is as the propulsion unit in patrol boats (DI9 55) and in larger pleasure craft (DI9 59) . -
Page 3: Table Of Contents
CLEANING THE COOLING SYSTEM ..35 Internal cleaning ..... . .37 https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... -
Page 4: Environmental Responsibility
ENVIRONMENTAL RESPONSIBILITY Scania has always been at the forefront in the development and production of environmentally safe engines. We have made great progress in reducing harmful exhaust emissions to be able to meet the stringent emission standards that are mandatory for almost all markets. -
Page 5: Certified Engines
European (EU) and non-European (USA) markets. Scania guarantees that all engines of a certified engine type that are delivered, correspond to the engine approved for certification. The engine is fitted with a certification plate, stating according to which certification rules (standard) the engine has been approved. -
Page 6: Safety Details
OF INJURY. The safety precautions that must be observed in the operation and maintenance of Scania engines are compiled on the following three pages. The corresponding text is also often stated next to the maintenance step concerned, shown with different degrees of significance as described above. -
Page 7: Safety Precautions For Operation
The exhaust emissions contain carbon monoxide and nitrogen oxides that are toxic. When operating the engine in an enclosed ar- ea, an effective extraction device for exhaust gases and crankcase gases must be used. https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... -
Page 8: Safety Precautions For Handling Materials
If electrolyte splashes into the eyes, rinse eyes immediately with plenty of water and seek medical attention. Dispose of used batteries through an author- ized waste disposal contractor. https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... - Page 9 Never start the engine unless the air filter is in- stalled. Otherwise there is a risk of objects en- tering the compressor wheel or a risk of personal injury from contact with it. https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines...
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Page 10: Type Designations
Electronically controlled governor (DEC2) Classification society (applies to classed engines) ABS American Bureau of Shipping Bureau Veritas Germanischer Lloyd Lloyd’s Register of Shipping DNV Dwt Norske Veritas RINA Registro Italiano Navale SjöV Sjöfartsverket https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... - Page 11 Oil filling stamped in engine block Turbo charger Sea water pump Oil cooler Injection pump Heat exchanger Oil dipstick Fuel filter Charge air cooler Oil cleaner Starter motor Turbo filter Protective anode Alternator https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines...
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Page 12: Dec2 Control System
On page 15 there is a description of the functions of the LEDs in case of a fault and actions in case of Power- and Shutdown indication. Troubleshooting and fault code reading are described on pages 16 and 17 . https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... - Page 13 Location of sensors for DEC2 on DI9 Charge air temperature sensor Connection of lead to charge air temperature sensor Coolant temperature sensor Engine speed sensor Oil pressure sensor Junction box https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines...
- Page 14 BOOST LIMIT The LED comes on when the control unit smoke limiter restricts the maximum fuel quantity. Operation of the smoke limiter is dependent on the charge air pressure . https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines...
- Page 15 Action: Conduct troubleshooting according to instructions on page 16 and the chart on page 17 If the engine has not stopped, reduce engine speed to idle and conduct troubleshooting. https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines...
- Page 16 DIP switches 6, 7, and 8 may also be OFF - Activate the lamp test/fault code switch. In Scania electrical equipment the main indicator Shutdown at threshold values for low oil pressure and lamp is located in this switch on the main supply high coolant temperature can be selected by setting box.
- Page 17 2001-05:1 © Scania Industrial & Marine Engines...
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Page 18: Starting And Running
7% by volume. The inhibitor in Scania Anti-corrosive is nitrite-free. The use of too much Scania - First top up: Top up with Scania Anti-corrosive as indicated on the Anti-corrosive as mixed with packaging. -
Page 19: Checks Before Running
If the fuel tank has been run dry or if the engine has not been used for a long time, bleed the fuel system (see page 41). Out of consideration for our common environment, your new Scania engine Only start the engine in a has been designed to use a smaller amount of fuel when starting. -
Page 20: At Temperatures Below 0 °C
At temperatures below 0 °C: Note Only use starting aids recommended by Scania. - The starter motor may only be used for 30 seconds at a time. After that time it must cool for 2 minutes. If the engine has flame start:... -
Page 21: Running
RUNNING Check instruments and warning lamps at regular intervals. Engine speed The Scania tachometer is divided into sectors of different colours, as follows: 0 - 500 r/min red area: prohibited engine speed, passed when stopping and starting. 500 - 700 r/min yellow low idle. -
Page 22: Oil Pressure
The power must not be switched Engines with battery master switch: Switch the power off with the off before the engine has battery master switch. stopped. Set the control switch to "0". © https://www.boat-manuals.com/scania/ Scania Industrial & Marine Engines 2001-05:1... -
Page 23: Clutch
- At temperatures below 0 °C: Prepare for the next start by connecting the engine heater (if fitted). Top up engine coolant when the engine has been stopped after being started for the first time. © https://www.boat-manuals.com/scania/ 2001-05:1 Scania Industrial & Marine Engines... -
Page 24: Maintenance
17. Checking the electrolyte level in batteries. "Every year" 18. Checking the state of charge in batteries. "Every 5 years" 19. Cleaning the batteries. 24. Checking for leakage, rectify as necessary . https://www.boat-manuals.com/scania/ © Scania Industrial & Marine Engines 2001-05:1... -
Page 25: Maintenance Schedule
Only applies to M engines with sea water pump. Reference value. Varies depending on the composition of the sea water. If inhibitor has not been topped up for five years, the coolant should be changed. © https://www.boat-manuals.com/scania/ 2001-05:1 Scania Industrial & Marine Engines... -
Page 26: Lubricating Oil System
- Viscosities as illustrated below. - For operation at extremely low ambient temperature: Consult your nearest Scania representative on how to avoid starting difficulties. Oil analysis Some oil companies can offer analysis of the engine oil. Such analysis... -
Page 27: Checking The Oil Level
Wear protective gloves and contractor. goggles Maximum angles of inclination during operation Maximum permissible angles during operation vary, depending on the type of oil sump, see illustration. Note Specified angle may only occur intermittently. © https://www.boat-manuals.com/scania/ 2001-05:1 Scania Industrial & Marine Engines... -
Page 28: Cleaning The Oil Cleaner
- Scrape off the deposits from the inside of the rotor bowl. If there are no deposits, this indicates that the cleaner is not working properly. - If the deposits are thicker than 20 mm: clean more often. © https://www.boat-manuals.com/scania/ Scania Industrial & Marine Engines 2001-05:1... - Page 29 - Listen for a whirring sound from the rotor or feel whether the cleaner housing is vibrating. The rotor normally continues spinning for 30 - 60 seconds after the engine has stopped. If not: Dismantle and inspect. © https://www.boat-manuals.com/scania/ 2001-05:1 Scania Industrial & Marine Engines...
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Page 30: Changing The Oil Filter
(at same time as an oil change) - Remove the old filter. - Oil the rubber gasket and fit a new genuine Scania filter. - Tighten the filter by hand. Never use a tool for tightening. The filter could be damaged, obstructing circulation . -
Page 31: Checking Corrosion Bars
If the impeller must be changed frequently, the cleaning of the sea water must be improved. Changing the impeller - Pull out the impeller with puller 98 482 (Scania Special Tools). - Fit new impeller and cap. Check that the cap seal is not hard or damaged. -
Page 32: Checking The Coolant
If a coolant filter is used in the cooling system, it must not con- not be mixed with glycol having tain an inhibitor. nitrite-based anti-corrosive. Risk for build up of sludge and reduced cooling capacity. https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... - Page 33 (litres) 85 102 90 108 95 114 90 100 120 A= Area to be avoided. Only for calculating glycol mix. Coolant freezing temperature when ice starts to form at different glycol mixes https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines...
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Page 34: Changing The Coolant
There must always be sufficient corrosive inhibitor in the coolant to protect the cooling system against corrosion. Corrosion inhibitor, if If there is no danger of freezing, only Scania Anti-corrosive should be used. swallowed can be fatal. The inhibitor in Scania Anti-corrosive is nitrite-free . -
Page 35: Cleaning The Cooling System
Change the O-rings and assemble the heat exchanger See “Charge air cooler”. Refit hose and pipe connections. Fill the system with coolant as described on page 32. Cover O-ring Flange Heat exchanger Heat exchanger ele- ment Cover https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... - Page 36 Fill the system with coolant as described on page 32. Connect the intake manifold from the turbo. Spacer O-ring Flange Charge air cooler hou- sing Charge air element Cover Heat exchanger https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines...
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Page 37: Internal Cleaning
- Refill the system with hot water and run the engine for about 20-30 minutes. - Drain the water from the system. - Refit the thermostats. - Top up the system with coolant according to the specification on page https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... -
Page 38: Air Cleaner
- Carefully blow the filter element clean using dry compressed air from the inside . Never start the engine unless Note This filter element must not be washed with water . the air filter is installed. Danger of personal injury or engine damage. https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... - Page 39 Repeat the procedure until the rinsing water is clean. Leave the element to dry in a warm place for a few days . Note The element must not be dried with compressed air . https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines...
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Page 40: Changing Safety Cartridge
Undo the nut securing the filter insert and remove it. Change or clean the filter insert, see point 12. Undo the nut securing the safety cartridge and remove it. Fit a new Scania genuine safety cartridge. Assemble the air cleaner. Pre-filter with cover... -
Page 41: Fuel System
If the engine fails to start after bleeding..- Open the overflow valve again and pump the hand pump until fuel without air bubbles flows out. - Close the overflow valve firmly and start the engine. https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... -
Page 42: Checking Injectors
Fit the leak-off fuel line. Tighten the bolts to 11 Nm (1.1 kpm) . Delivery pipes Cap nut Washer Cone Connector on injector or injection pump Delivery pipe connection https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... -
Page 43: Electrical System
This could cause serious Check that all cable terminals are firmly tightened. damage to the electrical system. Grease battery terminal posts and cable terminals with vaseline. If the terminals are shortcircuited, sparks will be generated. © https://www.boat-manuals.com/scania/ 2001-05:1 Scania Industrial & Marine Engines... -
Page 44: Checking The Coolant Level
Disconnect the monitor connector and screw on the monitor again. Clamp the monitor cable as before and connect the connector. Top up the system with coolant according to the specification on page 32. © https://www.boat-manuals.com/scania/ Scania Industrial & Marine Engines 2001-05:1... -
Page 45: Checking The Temperature Monitor
Check the resistance at the temperatures given below. The sensor should give the following readings: Resistance Ω At temp. °C Tolerance °C ±4 134 ± 13.5 ±3 51.2 ± 4.3 ±3 38.5 ± 3 © https://www.boat-manuals.com/scania/ 2001-05:1 Scania Industrial & Marine Engines... -
Page 46: Checking The Oil Pressure Sen
The monitor shall switch off at 1.1 ± 0.15 bar when the engine is started and switch on at 0.7 ± 0.15 bar when the engine is stopped. © https://www.boat-manuals.com/scania/ Scania Industrial & Marine Engines 2001-05:1... -
Page 47: Changing The Battery
CHECKING THE DRIVE BELT Replace the drive belt (1) (poly V-belt) if worn or damaged. Also check that the automatic belt tensioner (2) is working and keeps the drive belt correctly tensioned. © https://www.boat-manuals.com/scania/ 2001-05:1 Scania Industrial & Marine Engines... -
Page 48: Checking For Leakage, Rectify
(Seals and O-rings are lubricated with soap or oil when fitted) . This leakage normally stops after a time. In case of major leakage, contact the nearest Scania workshop. https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... -
Page 49: Checking/Adjusting Valve
The cover not being used is covered with a seal and an instruction plate. FLYWHEEL Intake valve Covers for reading on flywheel casing Exhaust valve https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... -
Page 50: Changing (Or Cleaning) The Closed Crankcase Ventilation Valve
- Refit the valve. - The valve may be reused (cleaned), maximum twice after the initial 2400 hours of operation. Take care to mark the valve after cleaning it. https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... -
Page 51: Long-Term Storage
Fire class 2A. Flash point + 27°. In case of fire: Extinguish using carbonic acid, powder or foam Storage: In properly sealed container in a dry, cool place. Keep out of reach of children. https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... -
Page 52: Preservative Oil
Dinitrol 25B and then with Dinitrol 112 or the equiva- lent. Winter storage - In order to minmize the risk of condensation water in the fuel tank during a winter stop, it should be filled with fuel. https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... -
Page 53: Batteries
- Fit the injectors. - Empty the fuel system main filter of preservative oil. - Bleed the fuel system. - Wash off any externally applied preservative oil, using white spirit . https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... -
Page 54: Technical Data
(warm engine at operating speed) bar (kp/cm 3 - 6 Min. oil pressure (warm engine 800 rpm) bar (kp/cm Oil capacity, see page 27 Crankcase pressure with closed crankcase ventilation mm VP -55 - +20 https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines... - Page 55 System voltage Alternator, current 65 or 90 Starter motor power kW (hp) 4.0 (5.4) Monitors, settings: ± Oil pressure monitor bar (kp/cm 2-pole: 0.7 0.15 Temperature monitor °C Stamped on monitor hexagon https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines...
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Page 56: Fuel
The requirements and the test standards for the most important properties are described in the workshop manual in sections that can be ordered from your Scania dealer or directly from Scania. The address of Scania is printed on the cover. - Page 57 0.5-2% alcohol (isopropanol) may be added. injection pump and it may also Drain fuel tanks and drain or renew fuel filters at regular intervals. cause damage to the engine. https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines...
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Page 58: Alphabetic Index
Warranty ......1 https://www.boat-manuals.com/scania/ 2001-05:1 © Scania Industrial & Marine Engines...
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