825730 Volvo.Penta Screw

To Stop the Engine
A spring loaded stop control is usually situated near the normal engine controls and it is only necessary to pull out the stop control until the engine ceases to rotate. Ensure the engine movement has completely stopped before returning the control to the normal running condition. Turn the starter switch to the "O" position.Some engines may have an electric solenoid stop control on the fuel injection pump operated by a switch on the control panel.Cold Starting Aid; Using the Starting Aid
C1 1. Off Position2. Run Position3. Heat Position4. Heat and Start PositionTo start the engine, proceed as follows:-Ensure engine stop control is pushed fully home.Turn starter switch (Fig. C.1) to the "H" position and hold it there for fifteen to twenty seconds.With the accelerator in the fully open position, turn the starter switch to the "HS" position thereby engaging the starter motor.If the engine does not start within fifteen seconds, return the switch to the "H" position for ten seconds and then re-engage the starter motor by switching to the "HS" position.As soon as the engine starts, the switch should be returned to the "R" position.Earlier Heat Start Switch
C2 1. Off2. Start3. Heat4. Heat and StartThe cold start switch fitted to earlier engines is shown in Fig. C.2.Where this type of switch is used, it is customary to have a separate switch for the electrical circuits and this should be turned on before starting the engine and turned off after stopping the engine.Things to Note
Ensure that the electrical connection to the cold starting aid is correctly made.In the event of difficult starting, check that fuel is reaching the cold starting aid in the induction manifold by unscrewing the inlet fuel connection. If fuel is reaching it satisfactorily, then it may be that the cold starting aid itself is not working correctly. This can be checked by removing the air cleaner and watching the cold starting aid whilst the equipment is used. When the starting switch is turned to the "heat" position, the element should become red hot, and on engagement of the starter motor, ignition of the fuel should take place. The engines are fitted with efficient cold starting equipment and no responsibility can be accepted for any damage caused by unauthorised starting aids.Running In
It is not necessary to gradually run-in a new or factory rebuilt engine and any prolonged light load running during the early life of the engine can in fact prove harmful to the bedding in of piston rings and liners.Full load can be applied on a new or factory rebuilt engine as soon as the engine is used, provided that the engine is first allowed to reach a temperature of at least 140°F (60°C).Preventive Maintenance
Whilst we have given specific periods for preventive maintenance, you should have due regard for the local regulations concerning your vehicle or machine and ensure that the engine is operating within those regulations.The time period for cleaning the oil bath type air cleaner or the renewing of the element in the dry type air cleaner depends on operating conditions. Therefore, under extremely dusty conditions, the limit recommended should be decreased considerably.Operators of engines are reminded that preventive maintenance periods are general in application. They should be compared with the schedules specified by the manufacturer of the application to which the engine is fitted and where necessary, the shorter periods should be adopted. Whilst we have given specific periods for preventive maintenance, you should have due regard for the local regulations concerning your vehicle or machine and ensure that the engine is operating within those regulations.He should reduce the routine maintenance periods to suit any exceptional operating conditions, e.g., for stop-start low mileage work, the hours run apply more than the mileage run.It is good maintenance practice that the checking of coolant, fuel or oil leaks and the tightness of nuts, setscrews and hose clips be carried out at each servicing period.It should be noted that the periods given are on the assumption that the fuels and lubricating oils are to the specifications given in this manual.4.248, T4.236, 4.236 and 4.212 Engines
Daily or every 8 Hours (whichever occurs first)
Check coolant level.Check oil level in sump (make sure the vehicle or machine is standing level).Check oil pressures (where gauge is fitted).In extreme dust conditions, clean oil bath air cleaner and empty the dust bowl on dry type air cleaners.Every 5,000 Miles (7,500 km), 250 Hours or Four Months (whichever occurs first)
Drain and renew engine lubricating oil. (See list of Approved Lubricating Oils in Appendix).Renew lubricating oil filter element or canister.Clean oil bath air cleaner.Empty dust bowl on dry type air cleaner.Check fan belt tension.Clean water trap.Lubricate dynamo rear bush (where fitted).Clean compressor air cleaner (where fitted).Every 10,000 Miles (15,000 km), 500 Hours or 12 Months (whichever occurs first)
Renew final fuel filter element (Industrial and Agricultural applications).Clean lift pump sediment chamber.Clean element of dry type air cleaner or renew, if not indicated earlier.Every 20,000 Miles (30,000 km) or 1,000 hours
Renew final fuel filter element (vehicle).T4.236 - Check turbocharger impeller. Clean if necessary.Every 60,000 Miles (90,000 km) or 2,500 Hours
Arrange for examination and service of proprietary equipment, i.e. compressor/exhauster, starter motor, alternator etc.Service atomisers.Check and adjust valve tip clearances.4.2482 Engines
Daily or every 8 Hours (whichever occurs first)
Check coolant level.Check oil level in sump (make sure machine is standing level).Check oil pressure (where a gauge is fitted).In extreme dust conditions, clean oil bath air cleaner or empty dust bowl on dry type air cleaner.Every 200 Hours or 4 Months (whichever occurs first)
Clean oil bath air cleaner or empty dust bowl on dry type cleaner.Check drive belt tension.Clean fuel water trap (where fitted).Every 400 Hours or 12 Months (whichever occurs first)
Drain and renew engine lubricating oil.Renew lubricating oil filter canister.Renew final fuel filter element.Clean lift pump sediment chamber.Every 800 Hours
Renew dry type air filter element.Every 2,400 Hours
Arrange for examination and service of proprietary equipment, i.e. starter motor, alternator, etc.Service atomisers.Check and adjust valve clearance.Post-Delivery Checkover
After a customer has taken delivery of his Perkins