1. DL manuals
  2. Saab
  3. Engine
  4. L2.093LB
  5. Operator's Handbook Manual

Saab L2.093LB Operator's Handbook Manual

Summary of L2.093LB

  • Page 1

    Form.: 977.371 revised: november.2000 sabb l diesel operators handbook for l2.093lb - l3.139lb - l4.186lb lifeboat engine sabb motor a.S p.O.Box 7170 - 5020 bergen - norway telefon +47 55348800 telefax +47 55348801 e-mail firmapost@sabb.No.

  • Page 2

    2 general precautions_____________________________________________________ 4 introduction______________________________________________________________ 5 starboard / portside view - engine______________________________________ 6 description of engine views ___________________________________________...

  • Page 3

    3 priming the fuel system ________________________________________________ 21 coolant level check ___________________________________________________ 21 to drain the coolant. ___________________________________________________ 22 check or replace thermostat _________________________________________ ...

  • Page 4

    4 general precautions - ensure that the engine is securely mounted. - ensure that the ventilation and combustion air ducts are not obstructed. - keep the engine and surrounding areas clean. - never allow any part of the body to come into contact with high pressure fuel oil when testing injection equ...

  • Page 5

    5 introduction the sabb-l-diesel, types l2.093lb, l3.139lb, l4.186lb is based upon the lister petter engine types lpw2, lpw3 and lpw4 and adapted for life boat propulsion conforming to the latest requirements incl. Solas 1974, 1983 amendments. It is essential that the operators read carefully the ma...

  • Page 6

    6 starboard / portside view - engine.

  • Page 7

    7 description of engine views 1. Gearbox lever 2. Air inlet damper 3. Oil filler cap, valve cover 4. Engine heater 5. Coolant inlet 6. Coolant filler cap 7. Dipstick 8. Starter motor 9. Header tank 10. Exhaust flange 11. Coolant outlet 12. Shaft extension 13. Stop lever 14. Lubricating oil filter 15...

  • Page 8

    8 general engine data model l2.093lb l3.139lb l4.186lb basic engine make lister petter ltd rotation clockw.,looking on gearbox end injection direct no. Of cyl. 2 3 4 bore, mm 86 86 86 stroke, mm 80 80 80 cyl. Capacity litres 0,930 1.395 1,860 firing order 1-2 1-2-3 1-3-4-2 compression ratio 18,5 : 1...

  • Page 9

    9 fuel system fuel pump timing........18 Ε btdc injector settings.......New:/used 240 bars fuel specification......Gas oil conforming bs2869:1970 class a1 or a2 or to usa specification astm d-975-77 grades no. 1-d and 2-d if the engine has to work in areas with extremely low ambient temperatures, us...

  • Page 10

    10 warning: anti-freeze contains monoethylene glycol and other constituents which are toxic if taken internally, and can be absorbed in toxic amounts under prolonged skin contact. If clothing is splashed with anti-freeze, it should be washed before being worn again. If anti-freeze is swallowed accid...

  • Page 11

    11 speed control lever std.- instrument panel battery switch operation instructions (this is an example on a std operational instruction.) before starting: 1.Turn battery switch no.1 to “on” position. 2.Move the speed control lever to max. Speed position with gearbox disengaged. Starting: 1.Turn sta...

  • Page 12

    12 starting precautions starting any engine can be dangerous in the hands of inex- perienced people. Before attempting to start any engine, the operator should be fully conversant with starting procedure and controls. - ensure that the batteries are in serviceable condition and correctly connected. ...

  • Page 13

    13 starting with emergency el-starter (if fitted) engine with twin electric starting system. Some users require twin electric starting system. The second starting system, with its own battery, is totally separated from the main starting system. The second starter is located in the rear end of the fl...

  • Page 14

    14 starting with spring starter (if fitted) the spring loading is fully energised by twelve revolutions of the winding handle. When restarting a hot engine, the starter need only be partly energised. When required, the starter can be unwound without discharging the stored-up energy into the engine f...

  • Page 15

    15 spring starter caution ! Never operate glow plug when using ether pump.

  • Page 16

    16 routine maintenance the engine has passed the life boat engine test programme before delivery. Still however the engine is not completely run in. It is recommended to operate the engine moderately during the first hours after it has been put into service. Full speed only for short periods during ...

  • Page 17

    17 lubrication oil specification temp. On starting °°°° c °°°° f monograde multigrade below -15 5 5w 5w/20w between and -15 4 5 39 10w 10w/20w between and 4 30 39 86 20/20w 10w/30w 15w/40w above 30 86 30w 15w/40w 20w/40w the temperatures mentioned in the table are the ambient temperatures at the tim...

  • Page 18

    18 spanner torque settings description nm lbf ft crankcase door bolt (see d in fig.7) end cover nut (see e in fig. 8) fuel filter bracket screw manifold bolts rocker cover nut 8,8 6,5 fuel lift pump injector clamp nut alternator bolt water pump bolt 21,0 15,5 injector pipe nuts 28,5 21,0 fuel pump c...

  • Page 19

    19 tightening sequences for cylinder head bolts, crankcase door bolts and end cover nuts. Check of lubrication oil level the lubrication oil level should always be checked before starting. The level should never be allowed to fall below lower mark. Note that the marks indicate correct level when the...

  • Page 20

    20 lubrication oil change the oil change should be done when the engine is warm. Remove the oil filler cap, see fig. 1, position 15, and pump up the oil by means of the sump oil drain pump. Remove the crankcase ventilation hose and undo the filler plug (which also contains the capsize valve) on the ...

  • Page 21

    21 priming the fuel system the fuel system has to be primed before initial starting, after fuel filter change, if the fuel system has been disconnected, or if the engine has run out of fuel and stops. Start the priming at the water separator. 1. Loosen the vent plug on top of the separator and let t...

  • Page 22

    22 to drain the coolant. Remove the filler cap on header tank. Drain the coolant through tap or plug hole in front of the crankcase, see fig.10. Close the tap securely after draining. Refill the system with correct water/anti freeze mixture. Let the engine idle for 20-30 minutes with the filler cap ...

  • Page 23

    23 idling speed adjustment start the engine and run until normal operating temperature is reached. Correct idling speed is 950-1000 rpm and is factory set before despatch. Adjustment should only be carried out after consulting sabb motor a.S the idling speed is adjusted with the adjusting screw "a"....

  • Page 24

    24 alternator belt tension. It is important that the belt tension is checked after an overhaul or when new belt is fitted. New belt tension: a force of 3-3,5 kg to deflect belt 3,5 mm checking and adjustment at service intervals: a force of 2,2-2,4 kg to deflect belt 3,5 mm check and change of engin...

  • Page 25

    25 check of battery the condition of the battery should be checked every third month. The specific gravity of a fully charged battery depends on the ambient temperature. The table below indicates the relationship between the specific gravity and the temperature. Temperature spec.Gravity temperature ...

  • Page 26

    26 starting and running the engine while the lifeboat is hooked in davis or in free fall rig. The engine should be started and run once a week and after any kind of maintenance work. The running should be limited to 5 minutes at idle speed. The water temperature alarm should be watched. General prec...

  • Page 27

    27 engine stops a. Lack of fuel b. Air or water in fuel system c. Choked fuel filter d. Overload e. Overheating f. Loss of compression g. Lack of lubricating oil loss of power a. Loss of compression b. Chocked exhaust system c. Fuel injector dirty d. Choked fuel filter e. Worn engine overheating a. ...

  • Page 28

    28 stop solenoid description. The stop solenoid has two coils, one for pull and one for hold. When the stop button is pressed, both the pull and hold coil are energised and the plunger retracts. As soon as it "bottoms", the internal switch disconnects the high current winding, and the plunger is kep...

  • Page 29

    29 important! If the stop solenoid for any reason has been dismantled, it should be refitted in following way: move the lever "a" by hand until it rests against the screw "c". Press the stop solenoid plunger fully until it "bottoms". Secure the screw "d" in this position. Check the function by press...

  • Page 30

    30 ordering spare parts for ordering spare parts, see the separate spare parts catalogue for correct part name and part number. When ordering, always state full details: 1. Engine type and serial no. (identification plate, fig. 15) 2. Part name and part no. (see page no. 5 and 6) 3. Quantity 4. Full...