Volvo Penta MD11C D MD 17C D Workshop Manual

Workshop Manual Engine unit A 2(0) MD11C, D, MD17C, D Contents Safety precautions . 2 General Information 5 Repair instructions 6 Component guide 8 DISMANTLING Cylinder head . 10 Cylinder liner 11 Pistons, con-rods 11 Timing gear 12 Flywheel . 13 Crankshaft . 14 Camshaft . 14 OVERHAULING Dismantling cylinder head . 15 Cleaning, inspection 15 Valve guides 15 Valve seats 16 Valves 16 Valve springs . 16 Rocker mechanism . 16 Valve tappets 16 Injector sleeve . 17 Injector . 17 Assembling cylinder head .

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18 Cleaning, checking crankcase 18 Replacing main bearings . 18 Centrifugal governor 19 Pistons, liners 19 Connecting rods . 20 Crankshaft . 20 Camshaft . 20 Oil pump 20 Feed pump . 21 Thermostat 21 Sea water pump . 21 Hand start 23 ASSEMBLING Crankshaft . 24 Flywheel . 25 Timing gear 25 Cylinders, cylinder liners . 27 Pistons and liners 28 Cylinder head . 29 Adjusting valve clearance . 30 Injection pump . 31 Checking control rod travel . 32 Venting the fuel system 33 Checking injections angle . 34 Adjusting engine speed . 34 Electrical system . 35 Wiring diagram 35 Fault finding chart . 36 Special tools 37 Technical data 39 Cooling system, diagrammatic sketch . 43 1 Safety Precautions Introduction This Workshop Manual contains technical data, descriptions and repair instructions for Volvo Penta products or product versions contained in the contents list. Ensure that the correct workshop literature is being used. Read the safety information and the Workshop Manual “General Information ” and “Repair Instructions ” carefully before starting work. Check that the warning or information decals on the product are always clearly visible. Replace decals that have been damaged or painted over. Important In this book and on the engine you will find the following special warning symbols. WARNING! If these instructions are not followed there is a danger of personal injury, extensive damage to the product or serious mechanical malfunction. IMPORTANT! Used to draw your attention to something that can cause damage, product malfunction or damage to property. NOTE! Used to draw your attention to important infor mation that will facilitate work or operations. Never use start spray or similar to start the engine. The starter element may cause an explosion in the inlet manifold. Danger of personal injury. Avoid opening the filler cap for engine coolant system (freshwater cooled engines) when the engine is still hot. Steam or hot coolant can spray out. Open the coolant filler cap carefully and slowly to release pressure before removing the cap completely. Take great care if a cock, plug or engine coolant line must be removed from a hot engine. It is difficult to anticipate in which direction steam or hot coolant can spray out. Below is a summary of the risks and safety precautions you should always observe or carry out when operating or servicing the engine. Immobilize the engine by turning off the power supply to the engine at the main switch (switches) and lock it (them) in the OFF position before starting work. Set up a warning notice at the engine control point or helm. Generally, all servicing should be carried out with the engine switched off. Some work (carrying out certain adjustments for example) requires the engine to be running. Approaching a running engine is dangerous. Loose clothing or long hair can fasten in rotating parts and cause serious personal injury. If working in proximity to a running engine, careless movements or a dropped tool can result in personal injury. Avoid burns. Take precautions to avoid hot surfaces (exhausts, turbochargers, charge air pipes and starter elements etc.) and liquids in supply lines and hoses when the engine is running or has been turned off immediately prior to starting work on it. Reinstall all protective parts removed during service operations before starting the engine. Hot oil can cause burns. Avoid skin contact with hot oil. Ensure that the lubrication system is not under pressure before commencing work on it.

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