Volvo Penta TAMD74A-A Operator's Manual
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Volvo Penta TAMD74A-A Operator's Manual

Volvo Penta TAMD74A-A Operator's Manual

Engines with electrical system cu2500f
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OPERATOR'S MANUAL
TAMD74A-A, TAMD74A-B
Engines with electrical system CU 2500F

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Summary of Contents for Volvo Penta TAMD74A-A

  • Page 1 OPERATOR’S MANUAL TAMD74A-A, TAMD74A-B Engines with electrical system CU 2500F...
  • Page 2 This operator’s manual is also available in the following languages: Diese Betriebsanleitung ist auch auf Dit instructieboek kan worden besteld Deutsch erhältlich. in het Nederlands. Ein Bestellcoupon ist am Ende der Betriebs- De bestelcoupon vindt u achter in het instruc- anleitung zu finden.
  • Page 3 Foreword Volvo Penta marine engines are used all over the world today. They are used in all possible operating conditions for professional as well as leisure purposes. That’s not surprising. After more than 90 years as an engine manufacturer and after delivering over 500,000 marine engines, the Volvo Penta name has become a symbol of reliability, technical innovation, top of the range performance and long service life.

  • Page 4: Table Of Contents

    Forced propeller rotation ........25 Engine ..............65 Extra equipment ..........26 Reverse gear ............67 © 2000 AB VOLVO PENTA We reserve the right to make modifications without prior notice. Printed on environmentally compatible paper. (Cover: Department of transport (shipping), license 9809095)

  • Page 5: Safety Information

    If anything is still not clear or if you are not sure of any points, please get in touch with your Volvo Penta dealer for assistance. This symbol is used throughout the operator’s manual and on the product to bring your atten- tion to points of safety-related information.

  • Page 6: Boat Trips

    Safety information Safety regulations for boat trips The new boat Filling fuel Read operator’s manuals and other information ac- There is a risk of fire and explosion when filling fuel. companying the new boat thoroughly. Accustom Smoking is prohibited and the engine must be turned yourself with handling the engine, controls and other off.
  • Page 7 Safety information Carbon monoxide poisoning When a boat is moving forward, it will cause a certain Most modern boats, however, are designed in such a vacuum to form behind the boat. In unfortunate cir- way that this problem is very rare. If suction should cumstances, the suction from this vacuum can be so arise anyway, do not open hatches or portholes at the great that the exhaust gases from the boat are drawn...

  • Page 8: Care And Maintenance

    All fuel, most lubricants and many chemicals are Never perform a task unless you are absolutely sure flammable substances. Always read and follow the di- how it is to be carried out, call your Volvo Penta deal- rections on the packaging. er for assistance instead.
  • Page 9 Safety information Hot surfaces and fluids Fuel system A hot engine always involves risk for burn injuries. Always protect your hands when carrying out leak de- Take care with hot surfaces. E.g.: exhaust manifold, tection. Escaping fluids under pressure can pierce turbocharger, oil pan, charge air pipe, starting heater, bodily tissue and cause serious injury.

  • Page 10: Introduction

    Introduction The operator’s manual has been produced to give you the greatest benefit of your Volvo Penta marine engine. It contains the information necessary to handle and maintain your engine in a safe and correct manner. We would like you to read this operator’s manual thoroughly and learn how to handle the engine, controls and other equip- ment in a safe manner before casting off for your maiden voyage.

  • Page 11: Certified Engines

    Warranty liability will otherwise be declined completely or fully by AB Volvo Penta. Get in touch with your Volvo Penta dealer if you have not received a Warranty and Service Book or a copy of the warranty card.

  • Page 12: Identification Number

    Certification, IMO Decal, part No. (4) ....................... Approval No. (5) ........................Transmission Product designation (6) ....................... Serial number (7) ......................... Product number (8) ......................IMPORTANT ENGINE INFORMATION AB Volvo Penta, Sweden xxxx ENGINE FAMILY xxxx ENGINE MODEL xxxx TEST CYCLES xxxx POWER (kW/RPM) xxxx IMO APP NO.

  • Page 13: Presentation

    Presentation TAMD74A-A and TAMD74A-B are in-line, direct injec- The exhaust manifold and turbocharger are fresh- tion, 6-cylinder, 4-stroke marine diesel engines. They water cooled to reduce heat radiation to the engine are equipped with turbocharger and fitted with either a room.

  • Page 14: Control Panel

    Control panel The control unit is manouvred by pushing the seven buttons on the control panel. The panel is also equipped with an LCD screen and three separate LEDs for indication. Three of the buttons are also equipped with indicating LEDs. If your boat is fitted with instruments not described here and you are not sure of their function, please get in touch with your boat dealer.
  • Page 15 Control panel LCD screen The control unit is equipped with an LCD screen, with adjustable brightness and contrast. Analogue signals are displayed graphical, as vertical and horisontal bars, and as digital values. All actions are displayed on the screen as text messages. The LCD screen has four different views, as described under the head- ing ”View”.
  • Page 16 Control panel Autostop Alarms and messages from the control unit are con- firmed by pushing the ACKNOWLEDGE button. This must be done to enable restarting the engine after autostop. Lamptest To make sure that the LEDs on the control panel are working, push the LAMPTEST button.
  • Page 17 Control panel Views The appearance of the LCD screen on the control unit varies, depending on what functions and settings are choosen. There are four different screen views avail- able. These are: – Instrument view – Alarm list – Information view –...
  • Page 18 Control panel Alarm list The alarm list is shown on the LCD screen when the CHANGE VIEW button is pushed. The alarm list lists all alarms that are predefined. If the alarm list con- tains more alarms than will fit on the screen, scrolling up and down is done using the UP and DOWN but- tons.
  • Page 19 Control panel Setting time and date Current time is displayed in the information view, which is opened by pushing the CHANGE VIEW but- ton for one second. To set time and/or date, push the LAMPTEST button and hold it down while pushing the ACKNOWLEDGE button.

  • Page 20: Controls

    Controls This chapter describes the Volvo Penta controls that are available for your engine. If your boat is fitted with con- trols not described here and you are not sure of their function, please get in touch with your boat dealer.

  • Page 21: Dual Lever Control

    Controls Friction brake The control is fitted with an adjustable friction brake for en- gine speed control. 1. Remove the cover on the control. 2. Set the lever to half acceleration/reverse. 3. Adjust the friction brake. Turn clockwise for stiffer lever movement and anticlockwise for lighter movement.

  • Page 22: Starting The Engine

    Starting the engine Make a habit of “visually” inspecting the engine and engine room before starting This will help you to quickly de- tect abnormalities that have occurred or are about to occur. Make sure instruments and warning displays indicate normal values after starting the engine.
  • Page 23 Starting the engine 3. Check the warning lamps Press the LAMPTEST button on the control panel to make sure that the LEDs on the panel are working. All working LEDs are lit up. Six LEDs should be lit during lamptest. 4.

  • Page 24: Operation

    Operation Learn how to handle the engine, controls and other equipment in a safe and correct manner before casting off for your maiden voyage. WARNING! Avoid violent and rapid rudder movement and gear shifting. There is a risk of the passengers falling down or falling overboard.

  • Page 25: Alarms And Fault Indication

    Operation Indicating LEDs The control unit has three main LEDs for indication: POWER indicates power on. Flashes when low voltage. WARNING indicates one or more* active alarm. Flash- es when not acknowledged. ALARM indicates one or more* active alarm activating automatic stop.

  • Page 26: Cruising Speed

    Wide open throttle range: TAMD74A-A (Rating 1, 154 kW*) .... 1700–1800 rpm TAMD74A-A (Rating 1, 160 kW*) .... 1900–2000 rpm TAMD74A-A (Rating 1, 184 kW*) .... 2000–2100 rpm TAMD74A-A (Rating 2) ......

  • Page 27: Forced Propeller Rotation

    Operation Pulling away 1. Move the lever from neutral to the engagement position for the desired direction of travel. Wait for approximate- ly two seconds. 2. Increase gradually to the desired engine speed. Forward – Reverse 1. Slow the engine speed to idling and allow the boat to loose most of its speed.

  • Page 28: Extra Equipment

    Operation Extra equipment Trolling valve Certain Twin Disc reverse gears can be fitted with a trolling valve so that the lowest speed of the boat can be variably reduced by 1–80% at engine speeds up to 1100 rpm. IMPORTANT! Risk of overheating the reverse gear if the trolling valve is used at higher engine speeds than 1100 rpm.

  • Page 29: Stopping The Engine

    Stopping the engine Let the engine run at low idling speed (in neutral) for at least three minutes before turning it off. This will keep the engine temperature in balance and prevent it boiling. IMPORTANT! The procedure described above is especially important if the engine has been run hard and/ or exerted to heavy loads.

  • Page 30: Anti-Freezing Measures

    Stopping the engine Anti-freezing measures If the engine room cannot be protected from frost, the sea- water system must be drained and the coolant in the fresh- water system must contain sufficient anti-freeze to prevent it from freezing. Refer to chapter Maintenance “Seawater system”...

  • Page 31: Maintenance Schedule

    Maintenance schedule Your Volvo Penta engine and associated equipment is designed to provide high operational reliability and long service life. They are constructed to withstand the marine environment while also affecting it as little as possible. Preventive maintenance in accordance with the maintenance schedule will ensure that it retains these qualities and avoid unnecessary operational disturbances.
  • Page 32 Maintenance schedule After the first 100 operating hours Valve clearances. Check ..............not illustrated Every 250 operating hours / at least every 12 months Drive belts (not Poly-V). Check / Adjustment ..........page 33 Zinc anodes. Check/Change ................ page 48 Seawater filter.
  • Page 33 Maintenance schedule Every 24 months Coolant. Change ..................pages 40/41 Cooling system. Flushing ................page 42 Renovated engine: After the first 100 operating hours Valve clearances. Check ..............not illustrated...

  • Page 34: Maintenance

    Maintenance This chapter contains general technical information and directions for carrying out the prescribed maintenance points. Read the directions carefully before starting work. The times at which the maintenance points are to be carried out can be found in the previous chapter “Maintenance schedule”. WARNING! Read the safety directions for maintenance and service in the chapter “Safety information”...

  • Page 35: Every 250 Operating Hours / At Least Every 12 Months Drive Belts (Not Poly-V). Check / Adjustment

    Maintenance: Engine, general Drive belts. Check/Adjust/Change WARNING! Stop the engine before commenc- ing maintenance work. General Check belt tension and condition regularly. If the belt is too taut it can damage bearings and if it is too loose it may slip. Check and adjust after operation when the belt is warm.

  • Page 36: Lubricating System

    Maintenance: Lubricating system Lubricating system Oil change intervals can vary from 25 to 200 hours, depending on oil grade and sulfur content of the fuel. Note that oil change intervals must never exceed a period of 12 months. If you want longer oil change intervals than given in the table below, the condition of the oil must be checked by the oil manufacturers through regular oil testing.
  • Page 37 Maintenance: Lubricating system Engine oil. Check level The oil level must be within the marked range on the dipstick and must be checked daily before starting the first time. Engine oil. Filling Top up the oil through the filler opening (1) in the valve cover.
  • Page 38 Maintenance: Lubricating system 5. Start the engine and allow it to idle. Check the oil pressure and that there is no leakage by the fil- ters. WARNING! Approaching or working with a running engine is a safety risk. Be careful to avoid rotating components and hot surfaces.
  • Page 39 Maintenance: Lubricating system By-pass filter 1. Stop the engine. 2. Put a vessel underneath the filter to avoid oil spill- age. Unscrew the by-pass filter (1). Use a filter wrench if necessary. 3. Check that the mating surfaces on the filter brack- et are clean, and that no traces of the seal from the old oil filter remain.

  • Page 40: Freshwater System

    (please refer to the next section). In its standard version, the engine is fitted with an internal freshwater system. Volvo Penta also supply engines with the cooling system prepared for external cooling, e.g. keel cooling.

  • Page 41: Coolant (Anti-Corrosion Mixture). Topping Up 1)

    Corrosion protection mixture When there is never any risk of frost, water (to ASTM D4985), mixed with Volvo Penta anti-corrosion addi- tive, can be used as a coolant. We recommend that an anti-freeze mixture should be used all year round, irrespective of the climate.
  • Page 42 Maintenance: Freshwater system Coolant level. Check WARNING! Never open the pressure cap when the engine is warm. Steam or hot fluid may spurt out. IMPORTANT! Check the coolant level on a cold stationary engine. Make sure the coolant level is approx. 5 cm (2") below the top of the filler cap.
  • Page 43 Maintenance: Freshwater system 5. When coolant that is free from air flows out, the ventilation cocks must be closed. 6. Cease filling when the correct level is attained. 7. Start the engine and run it until it reaches operat- ing temperature. IMPORTANT! The engine must not be start- ed before the system has been bled and filled.
  • Page 44 Maintenance: Freshwater system Freshwater system. Flushing The system should be flushed before changing cool- ant to avoid inferior cooling performance due to de- posits in the cooling system. IMPORTANT! Certain parts of the system are made of light alloy. Chemical additives must therefore not be used when cleaning.

  • Page 45: Cooling System, External Cooling

    Maintenance: Freshwater system Cooling system, external cooling Introduction A cooling system with external cooling does not have a heat exchanger but is cooled by heat being transferred via one or two external cooling circuits. A single circuit system serves all the components being cooled. A dual circuit system has either two freshwater circuits or one freshwater circuit together with one seawater circuit.
  • Page 46 Maintenance: Freshwater system Coolant. Filling WARNING! Stop the engine and allow it to cool down before filling. Hot oil and hot surfaces can cause burns. Topping up Fill with coolant to the correct level through the filler opening on the expansion tank. Fill slowly so that the evacuated air is able to pass through the filler open- ing.
  • Page 47 Maintenance: Freshwater system Coolant. Drain WARNING! Stop the engine and allow it to cool down before draining. Hot oil and hot surfaces can cause burns. WARNING! Glycol is a health hazard (poison). Collect the old coolant and leave it to a destruc- tion plant.

  • Page 48: Seawater System

    Maintenance: Freshwater system Seawater system The seawater system is the engine’s external cooling system. The seawater pump draws in water via the seawa- ter intake and pump it on through the charge air cooler, heat exchanger and the reverse gear oil cooler. The sys- tem is protected against galvanic corrosion by zinc anodes located in the charge air cooler, heat exchanger and the reverse gear oil cooler.
  • Page 49 Maintenance: Freshwater system Impeller. Check/Change WARNING! Risk of water entering. Close the seawater cock before starting work on the sea- water system. In some installations, it can be easier to first remove the sea water pump from the engine (see next chap- ter) and then change the impeller.

  • Page 50: Zinc Anodes. Check/Change

    Maintenance: Freshwater system Zinc anodes. Check/Change WARNING! Risk of water entering. Close the sea- water cock before starting work on the seawater system. 1. Close the seawater cock. 2. Open drain tap (1) on the reverse gear oil cooler and drain off the sea water. 3.
  • Page 51 Maintenance: Freshwater system Charge air cooler. Check the drain hole Condensation can form in the charge air cooler during operation. The condensation can be drained from a nipple (1) on the bottom of the charge air cooler. Make sure the nipple is not blocked. IMPORTANT ! If considerable amounts of water run out of the drain hole, the insert must be re- moved and test pressurized.

  • Page 52: Fuel System

    Maintenance: Fuel system Fuel system Use only fuel recommended in the fuel specifications below. Always observe cleanliness when refuelling and working with the fuel system. All work concerning the engine injection pump or injectors is to be carried out at an authorized workshop. Break- ing the seal on the injection pump will void the warranty.

  • Page 53: Fuel Filters. Change

    Maintenance: Fuel system Fuel system. Bleeding The fuel system must be bled e.g. after changing fuel filter, if the fuel tank has been run dry and after long stops. Refer to the next page for bleeding when re- placing a switchable fuel filter during operation. 1.

  • Page 54: Fuel Pre-Filter (Double Filter). Check 1)

    Maintenance: Fuel system Fuel pre-filter. Check WARNING! Working on or approaching a run- ning engine is a safety hazard. Beware of rotat- ing parts and hot surfaces. The fuel pre-filter/water separator are accessories and available as single or dual models. The dual filter is equipped with a pressure gauge (1) indicating when it is time to change the filter insert.
  • Page 55 Maintenance: Fuel system Change filter elements: Close the fuel cocks on the tank or cut off the flow of fuel with the knob (1) for the filter insert to change if running. WARNING! Working on or approaching a run- ning engine is a safety hazard. Beware of rotat- ing parts and hot surfaces.

  • Page 56: Electrical System

    Electrical connections Make sure electrical connections are tightened, dry and free from oxide. If necessary, spray these con- nections with water-repellant (Volvo Penta all-round oil). Fuses The main electric terminal box has a fuse strip with four glass-tube fuses (2 x 20A and 2 x 8A).

  • Page 57: Battery. Ceck Of Electrolyte

    Maintenance: Electrical system Battery. Maintenance WARNING! Risk for fire and explosion. Never expose the battery to naked flames or sparks. WARNING! Never reverse the polarity of the battery. Risk of sparks and explosion. WARNING! Battery electrolyte is extremely cor- rosive. Protect eyes, skin and clothes when handling batteries.
  • Page 58 Maintenance: Electrical system Batteries. Charging WARNING! Risk for explosion. Charging gener- ates hydrogen gas (oxyhydrogen gas). A short circuit, naked flam or spark can cause a power- ful explosion. Ventilate well. WARNING! Battery electrolyte is extremely cor- rosive. Protect eyes, skin and clothes. Always use protective goggles and gloves.
  • Page 59 Maintenance: Electrical system Electrical installations Defective electrical insallations can generate stray current from the electrical system. Stray current can impair the galvanic protection for the propeller, pro- peller shaft, rudder, keel, etc. and cause damage due to electrochemical corrosion. IMPORTANT! Service on the boat’s low-cur- rent circuit should be carried out by a person with electrical training and experience.

  • Page 60: Electrical Component Diagrams

    Maintenance: Electrical component diagrams Electrical component diagrams 2 3 4 11 10 9 TAMD74A-A, TAMD74A-B 10. Fuel shut-off valve (emergency stop/overspeed stop) 1. High engine oil temperature switch (alarm) 2. High coolant temperature switch (automatic stop)* 11. Electrical box with fuses (fuse strip with glass-tube fuses (2 x 20 A and 2 x 8 A) 3.

  • Page 61: Reverse Gear

    Maintenance: Reverse gear Reverse gear Oil level. Check and filling Check The oil level should be checked once the reverse gear has attained operating temperature with the en- gine idling and the controls in neutral. WARNING! Working on or approaching a run- ning engine is a safety hazard.

  • Page 62: Reverse Gear (Twin Disc). Changing Oil

    Maintenance: Reverse gear Oil. Change Drain 1. Remove the dipstick. Connect a hose from the oil scavenging pump to the dipstick pipe. 2. Pump the oil into a receptacle. 3. Replace the dipstick. Alternatively, the oil can be drained after removing the drain plug.

  • Page 63: Inhibiting

    Before taking the boat out of service for long periods, it should be left to a Volvo Penta workshop for an overhaul of the engine and other equipment. Have any faults and defects seen to so that the equipment is in good order when next started.

  • Page 64: Bringing Out Of Storage

    Inhibiting Bringing out of storage Remove any protection on the engine, air intake Check the coolant level and anti-freeze. Top up as and exhaust pipe. necessary. Top up with lubricant of the correct grade in the Connect the fully charged batteries. engine if necessary.

  • Page 65: Troubleshooting

    A number of symptoms and possible causes for engine disturbances are described in the table below. If faults or hitches arise that you cannot solve alone, you must always get in touch with your Volvo Penta dealer. WARNING! Read the safety directions for maintenance and service in the chapter “Safety information” be- fore starting work.

  • Page 66: Starting With Auxiliary Batteries

    Troubleshooting Push the LOG button on the control panel (approx. 1 second) to view the Log list. The log lists all events, specified with the time and date of their occurrence. A new date in the log list is indicated by an inverted row.

  • Page 67: Technical Data

    Technical Data General Type designation ..........TAMD74A-A, TAMD74A-B Number of cylinders ..........Displacement ............7.28 liters (444 in Low idling speed ............ 600 ±30 rpm Valve clearance*: inlet ..............0.50 mm (0.0197") outlet ..............0.65 mm (0.0256") Compression pressure at starter motor speed (300 rpm) ............
  • Page 68 Technical Data Fuel system Injection pump, setting: TAMD74A-A ............15° ±0.5° BTDC. TAMD74A-B ............12° ±0.5° BTDC. Fuel specification The fuel must comply with national and international standards for commercially supplied fuels, such as: EN 590 (with national environment and cold requirements)

  • Page 69: Reverse Gear

    Technical Data Reverse gear Twin Disc Type designation ............ MG5075SC Oil capacity, approx ..........5.9 liters (1.6 US gals) Oil grade (to API system) ........CC, CD, CE Viscosity ..............SAE40* Oil pressure at oil temperature 82°C (180°F), engaged, 1800 rpm ..........2.28 MPa (331 psi) Weight, approx ............
  • Page 70 Notes ..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
  • Page 71 Yes please, I would like an operator’s manual in English at no charge. Publication number: 7741263-3 Post or fax this coupon to: Document & Distribution Center Name Order Department ARU2, Dept. 64620 Address SE-405 08 Göteborg Sweden Fax: +46 31 545 772 Orders can also be placed via the Internet: http://www.volvopenta.com/...
  • Page 72 Sí gracias, deseo recibir gratuitamente un libro de instrucciones en español. Número de publicación: 7741272-4 Franquear o enviar fax a: Document & Distribution Center Nombre Order Department ARU2, Dept. 64620 Dirección SE-405 08 Göteborg Suecia Fax: +46 31 545 772 El pedido puede hacerse tam- bién por internet: http://www.volvopenta.com/...
  • Page 73 Ja graag, Ik wil kosteloos een instructieboek in het Nederlands ontvangen. Publicatienummer: 7741274-0 Stuur of fax de coupon naar: Document & Distribution Center Naam Order Department ARU2, Dept. 64620 Adres SE-405 08 Göteborg Zweden Fax: +46 31 545 772 U kunt ook bestellen via internet: http://www.volvopenta.com/ manual/coupon...
  • Page 74 Sim, obrigado(a)! Gostaria de receber gratuitamente um manual de instruções em português. Número de publicação: 7741277-3 Envie o talão pelo correio ou um fax para: Nome Document & Distribution Center Order Department Endereço ARU2, Dept. 64620 SE-405 08 Göteborg Suécia Fax: +46 31 545 772 A encomenda também pode ser feita através da Internet:...

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