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Volvo Penta AD31, Owner'S Manual, Page: 45 / 45

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Volvo Penta AD31 Owner'S Manual Download Page 45

28

THE EASY WAY TO 

DEPENDABLE ENGINES

If you pay attention to simple maintenance

jobs on your engine and drive you will reduce

your running costs and increase your safety

afloat. But it is just as important to ensure

that the parts are Genuine Volvo Penta Parts.

To locate your nearest Volvo Penta dealer,

please go to www.volvopenta.com 

www.volvopenta.com

774XXXX 10-2002

Summary of Contents for AD31

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Page 22: ...LAYING UP AND LAUNCHING GUIDE VOLVO PENTA DIESEL AND GASOLINE ENGINES ...

Page 23: ...o do it yourself Certain complicated jobs are of course best left to an authorized dealer since they call for both specialized knowledge and special tools Always use Genuine Volvo Penta Parts That way you can be confident that the parts you use will be of the right quality and fit perfectly And make sure you have tools on board and that your on board repair kit is complete Remember the environment c...

Page 24: ...silencer 15 Electrical system 16 Oil changes drive reverse gear 18 Drive 20 Propeller 22 Cleaning and painting 23 Ventilation 24 Corrosion protection inside the engine 25 Ignition system 26 This symbol represents work in connection with the laying up season This symbol represents work in connection with the launching season A yellow box represents warning text ...

Page 25: ... filters are tested and specially designed to suit each particular engine type Run the engine warm before changing the oil It is easier to do this when the boat is still in the water it can also be done in connection with engine inhibiting Switch off the engine and use an oil bilge pump to pump out all the engine oil through the dipstick hole Change the oil filter and fill up with the right amount of...

Page 26: ...5 Check the oil level before starting the engine ...

Page 27: ... is best carried out on land Otherwise there is a risk of water getting into the boat The engine and reverse gear cooling water ducts must be flushed and drained off Detach the suction pipe from the inside of the shield on the Aquamatic drive or from the reverse gear Connect a hose to the suction pipe and insert it in a bucket of fresh water Make sure that the bucket is continually replenished with...

Page 28: ...d protection against freezing and corrosion Check and clean sea water filter if fitted If you wish to protect the engine over a longer period than the normal lay up time use Volvo Penta emulsifying inhibiting oil as it is specially designed for the cooling water ducts Follow the same proce dure as above but empty the system completely as the liquid does not offer any protection against frost Check t...

Page 29: ...n in order to avoid frost damage and corrosion Work on the cooling system is best carried out on land Otherwise there is a risk of water getting into the boat The fresh water cooled engine has two cooling systems The engine block and cylinder head are fresh water cooled But the oil cooler heat exchanger and on some engines exhaust pipes are sea water cooled and should be inhibited in accordance wi...

Page 30: ...rrosion protective qualities Do not mix coolant with other additives Check and clean sea water filter if fitted Inhibit the sea water cooled part of the engine in accordance with the section on sea water cooled engines see page 7 Check the level of the fresh water system and make sure that all plugs and draining cocks are fully closed N B Some engines have zinc anodes on the plugs and these act as s...

Page 31: ... by blockage in the coolant intake cooling ducts or heat exchanger or by a defective impeller Too low a temperature is usually caused by a faulty thermostat Check the function of the thermostat by removing it and placing it with a ther mometer in a pan of water Heat the water and see if the thermostat opens at the temperature indicated in the operator s manual If not replace the thermostat ...

Page 32: ... worn or damaged impeller must be replaced immediately Make a habit of keeping a spare impeller and seal for the impeller pump cover on board After inhibiting unfasten the sea water pump cover and remove the impeller Rinse it well and keep it in a tightly sealed plastic bag in a cool place during the lay up period Install a perfect impeller and impeller cover together with a new seal ...

Page 33: ...use the engine to overheat or the boat to become filled with water Leaking exhaust hoses can cause dangerous exhaust fumes on board and allow water to get into the boat Carefully inspect the hoses and clamps of the cooling system and exhaust system Replace those hoses which do not feel soft and pliable Tighten all hose clamps Check the condition of the hoses and that all hose clamps are securely fa...

Page 34: ...ves a better generator charging effect while at the same time reducing the risk of overheating Always keep spare belts on board Genuine Volvo Penta drive belts last much longer Check the condition of the belts Replace them if necessary After replacement tighten the belts and adjust the tension N B Check the belt tension once more after a few hours running Readjust if necessary according to the Ope...

Page 35: ...nto the system Fill the fuel tank for the lay up period and you won t have to worry about condensation in the tank Check before you fill up that there are no special rules applicable to the site where the boat is laid up about the quantity of fuel aboard Venting the fuel system see operator s manual and run the engine warm while checking for leaks Switch off the engine immediately if you discover a...

Page 36: ...ast once per season An engine with a clean air filter can work more efficiently and uses up less fuel Use Genuine Volvo Penta filters they are specially designed and tested for each particular engine type Change the filter element or clean the air intake silencer Also replace the crankcase ventilation filter if any ...

Page 37: ...ularly Make sure that the wires are undamaged and have not been subjected to bilge water Otherwise there is a risk that leakage currents can get to the engine drive or to the bilge water in the bilge Serious corrosion damage can occur within a short time if leakage currents knock out the galvanic corrosion protection Important A battery will be seriously damaged if discharged for longer periods A ...

Page 38: ...ge temperature The warmer the storage conditions the faster the discharging process The battery can be left on board if it is fully charged Clean and dry dirty and damp cables Spray the connection points contacts and fuse holders on the engine and under the instrument panel with Volvo Penta Univer sal Oil Also loosen and clean any oxidized connec tion points Check all fuses and make sure that ther...

Page 39: ...wise you run the risk of seriously hurting yourself Change the oil in the drive reverse gear Be careful to use the right oil quality Fill up to the right level and run the engine for a moment to make the oil circulate If the old oil looks grey it could be the result of water leaking into the drive Contact your authorized Volvo Penta workshop if your oil looks grey Check the oil level ...

Page 40: ...tion looks like corrosion damage Repair such damage and paint where necessary And always keep a spare propeller on board The mechanism of the folding propeller must be greased with Volvo Penta water resistant grease Please see the detailed instructions in the manual when removing and refitting propeller s Remove the propeller s and grease the propeller shaft s with Volvo Penta water resistant greas...

Page 41: ...lgae and shells Pay particular attention to the areas around the bellows and trim cylinders Check the whole drive for damaged paintwork Remove damaged paint and clean down to the bare metal with wet sandpaper Then paint with Volvo Penta primer and top coat N B It is important to use Genuine Volvo Penta paint since other paints can contain metals or metal oxides causing galvanic currents The sacrifi...

Page 42: ... hatches including the engine compartment door open in order to avoid condensation and mould Clean the engine compartment A clean engine compartment is a prerequisite for maximum safety on board and makes servicing work that much more agreeable Important There is an operator s manual providing you with more detailed information on each particular engine ...

Page 43: ...n system should be carried out by an authorized workshop Faulty adjustment of the ignition can result in engine damage and reduced fuel economy Use Genuine Volvo Penta components for the ignition system they meet all marine safety requirements Make it a rule to change spark plugs at least once every year This way you will prevent any starting problems back firing etc The operator s manual shows you...

Page 44: ...y inside and outside using a moisture repellant spray Replace any damaged or worn parts Install new spark plugs If the engine is equipped with breaker points these should be replaced if necessary Also replace the condenser Clean and dry the ignition cables and distributor cover Let an authorized Volvo Penta workshop overhaul the ignition point setting if you do not have access to special tools ...

Page 45: ...bs on your engine and drive you will reduce your running costs and increase your safety afloat But it is just as important to ensure that the parts are Genuine Volvo Penta Parts To locate your nearest Volvo Penta dealer please go to www volvopenta com www volvopenta com 774XXXX 10 2002 ...

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