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Weber MPE 750 NA Marine Service Manual

Manual is about: Closed Loop

Summary of MPE 750 NA Marine

  • Page 1

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop mpe 750 na marine - closed loop • 402062_i2749marna-66dsv120071.1 service manual thisservicemanualisvalidforthefollowingenginevariants:.

  • Page 2

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual table of contents 1 aboutthisdocument 1 1.1 meaningofthesymbolsinthetext 1 2 safety 2 2.1 basicprinciple 2 2.2 meaningofthesafetysymbols 2 2.3 generalsafetyinstructions 3 3 description 4 3.1 technical specifications 4 3.2 serialnu...

  • Page 3

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 1 1 about this document 1.1 meaning of the symbols in the text symbol / sign use explanation need requiredtoolsforcarryingouttheactivitiesin thissection. Need requiredsparepartsfortheactivitiesinthis section. Information info...

  • Page 4

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 2 this engine is state-of-the-art and built according to recognized safety-technical regulations. Nevertheless, people can be injured or the engine damaged if the safety instructionsinthismanualaredisregarded. Only put the en...

  • Page 5

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 2.3 general safety instructions theenginemayonlybeoperatedatidlespeed foramaximumof30secondswithoutseawater. Enginedamageduetooverheating. Seechapter operating the engine without sea water. Lift a submerged engine out of the ...

  • Page 6: 009999

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 2 3 009999 1 service manual page 4 thempe750marine-closedloopisa2-cylinderin-lineengine.Itisintendedforrecre- ationalwatercraft.Itisnotdesignedforconstantloadsathighspeedsascanoccurduring races,forexample. 3 description 3.1 technical specificati...

  • Page 7

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 5 3.3 operating materials the use of other operating materials causes damage to the engine and the voiding of the warranty. Attention fuel fuelquality unleadedgasolineaccordingtodin51607(„super unleaded“),withanoctaneratingof...

  • Page 8

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 6 coolant coolantadditive coolantadditivebasedonethyleneglycol silicate-andnitrite-free.Suitableforaluminiumengines. Anti-freezemixture 50%water+50%coolantadditive manufacturer’s fill provides frost protection up to -37 °c [-...

  • Page 9

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 7 3.4 running in the engine 3.5 operating the engine without sea water theenginemayonlybeoperatedatidlespeed foramaximumof30secondswithoutseawater. Enginedamageduetooverheating. Attention weber automotive gmbh recommends that...

  • Page 10

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 8 thetableinchapter maintenance intervalsprovidesthemanufacturer’srecommended intervals for maintenance work. If you follow the maintenance recommendations, a long lifespan of the engine can be achieved and unnecessary enviro...

  • Page 11

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page alwayschecktheoillevelandcoolantlevelbeforedriving. Seechapter oil level check. Seechapter coolant level check. 4.1 maintenance work by the user of the vehicle underrunning and exceeding the motor oil and coolant fill levels ...

  • Page 12

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 10 4.2 maintenance intervals activity procedure see page 1st mainte- nance h 1) maintenance interval h 1) at end of season 5) after 25 every 50 every 100 motoroilandoil filter change 14 ■ 2) ■ 2) ■ coolant change 20 ■ every 4...

  • Page 13

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 11 4.3 decommissioning at the end of the season attention never fill more motor oil than specified into the sparkplugholes.Toomuchmotoroilcancause enginedamage. Thedecommissioningofthevehicleisnecessary... ...At the end of th...

  • Page 14

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 12 4.4 motor oil and oil filter oil level check - useaclean,lint-freecloth the oil level must be measured with oil warm from operation (approx. 80 °c [176 °f]) and with the motor at a standstill. Measurements with cold oil ar...

  • Page 15

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 1 max min service manual page 1 1) unscrew the oil dipstick (1) from theoiltankandwipeitcleanwitha cloth. 2) replace the oil dipstick in the oil tank. Do not screw it in. Then remove it again and read the oil level. Withamotorwarmfromoperation, ...

  • Page 16

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop x 1 service manual page 14 changing the motor oil and oil filter - oilextractionpump - catch basin for old oil, fill volume at least 4 liters [4.3 qt (us)] - flatheadscrewdriverorwrenchtoopenthescrewclamps - torquewrenchtoclosethescrewclamps - t...

  • Page 17

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 2 service manual page 15 5) remove the cable harness from the spark plugs and the injection valves. See chapter removing the spark plugs. 6) remove the oil feed hose (2) on onesideoftheoiltank.Ifnecessary, extendtheoilfeedhose. 7) activatetheeng...

  • Page 18

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 3 5 4 service manual page 16 9) unscrew the oil filter cover (3). Tighteningtorque: 24nm±10%[17.7ft.Lb.] changing the oil filter 10) replace the oil filter (4) and o-ring (5). 11) coat the o-ring (5) lightly with motoroil. Assembly occurs in rev...

  • Page 19

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 17 12) filloiltankwith2.5litersofmotor oil. 13) close the oil tank with the oil dipstick. 14) warm up the motor in a body of water for approx. 10 minutes at 4000-4500u/min. 15) fill up the oil level with a motor warm from ope...

  • Page 20

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 1 service manual page 18 4.5 engine cooling circuit coolant level check - checkthecoolantlevelwithacold engine. With a cold engine, the coolant level should be between the min and max markings (1) of the compensationtank. - if you must refill th...

  • Page 21

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 1 service manual page 1 1) openthecoverofthecompensation tank(1). Changing the coolant - catch basin for the coolant, fill volume at least 4 liters [4.3 qt (us)] - flatheadscrewdriverorwrenchtoopenthescrewclamps - torquewrenchtoclosethescrewclam...

  • Page 22

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 2 service manual page 20 2) remove the screw clamps, hoses(2)onbothsidesanddrain coolant. Tighteningtorque: 3nm±10%[2.2ft.Lb.] tightenthescrewclampsafter onetothreehours. Assembly occurs in reverse order. Please note instructions after this symb...

  • Page 23

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 21 3) openthecoverofthecompensation tank. See chapter draining the coolant. 4) add new coolant up to the max marking of the compensation tank. See chapter coolant level check. 5) closethecoverofthecompensation tank. 6) start ...

  • Page 24

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 1 2 service manual page 22 4.6 spark plugs - socketwrenchsw16[5/8“] - feelergauge,measurementrange0.77mm-0.91mm[0.0303-0.0358in.] - torquewrench - 2xsparkplugs,seesparepartscatalogue removingthesparkplugs checking the spark plugs 1) remove cable...

  • Page 25

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 5 4 3 service manual page 2 tighteningtorque: 27nm±20%[19.9ft.Lb.] 3) remove the screws and washers (3). 4) removetheignitioncoils(4) 5) unscrew thesparkplugs(5). Installthesparkplugsonlyina coldengine. Greasethethreadsofthespark plugs with comm...

  • Page 26

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 0,77-0,91mm [0.0303-0.0358in.] service manual page 24 6) check the electrode distance of thesparkplugswiththehelpofthe feelergauge. Checkingthesparkplugs.

  • Page 27

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 1 service manual page 25 4.7 valve play - hexwrenchsw5[3/16“] - feelergauge,measurementrange0.08mm-0.25mm[0.0031-0.0098in.] - valveadjustmenttool,seesparepartscatalogue - combinationwrench24mm[15/16“] - barmagnet - measurementtoolforadjustmentpl...

  • Page 28

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 8 1 3 5 6 4 2 7 10 9 4 3 2 4 service manual page 26 3) unscrewthevalvecover(2)along withbracketandvalve(3). Tighteningtorque: 10nm±10%[7.4ft.Lb.] replace the valve cover seals (4). Clean seal areas of the valve coverandcylinderhead. Thesequenceo...

  • Page 29

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 5 6 service manual page 27 5) using a feeler gauge, measure thevalveplay(6)ofallfourvalves of the first cylinder between the adjustmentplatesandtherockers. Permissiblevalveplay: intake side 0,08 - 0,15 mm [0.0031 - 0.0059 in.] exhaust side 0,15 ...

  • Page 30

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 8 9 7 service manual page 28 7) loosen the screws and washers (8)andremovethefueldistributor rail(9). 6) to adjust the valve play on the intake side, it is necessary to remove the fuel distributor rail. Removethecableharnessonthe coolantsensor(7...

  • Page 31

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 9 11 service manual page 2 8) mount the valve adjustment tool (11)withtwoscrews. Tighteningtorque: 10nm±10%[7.4ft.Lb.] replace the o-rings (9) on the injectorvalves.Coattheo-rings lightlywithmotoroil. Theenginemaynotbeturnedoveruntilallvalve pla...

  • Page 32

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 12 13 14 service manual page 0 16) start the vehicle’s starter and let the engine crank until both cams of the first cylinder are pointing upwards. Therockerofthesecondcylinder demonstratesalittleplay. 17) checkthevalveplayofthesecond cylinder i...

  • Page 33

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop 1 service manual page 1 ifyoucannotcorrectamalfunctionyourselfusingthetablebelow,contactyourvehicle dealer‘scustomerservice. Incaseofimproperly-maderepairs,thewarrantyisvoidedandweberautomotivegmbh isnotliableforanyresultingsubsequentdamage. 5 m...

  • Page 34

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 2 engine cranks but does not start engine stalls but can be started again possible cause remedy lanyardnotpluggedin. Pluginlanyard. Defectivefuse. Checkthefusesinthecableharness. Toolittleornofuelinthetank. Fillupfuel. Check ...

  • Page 35

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page engine stalls and cannot be started again possible cause remedy lanyardnotpluggedin. Pluginlanyard. Defectivefuse. Checkthefusesinthecableharness. Toolittleornofuelinthetank. Fillupfuel. Check the engine for signs of leaky fu...

  • Page 36

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 4 a adjustingthevalveplay28 c changingthecoolant19 changing the oil filter 16 checkingthesparkplugs24 checkingthevalveplay27 coolant6 coolantlevelcheck18 d decommissioningattheendofthe season11 drainingthecoolant19 drainingth...

  • Page 37

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 5 7 appendix manufacturer weberautomotivegmbh address otto-lilienthal-str.5 88677markdorf germany internet www.Weber-automotive.Com engine i2749marna-66dsv120071.1 engine family webm.750ng (eufamilydesignation) 8webm.7508ng (...

  • Page 38

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 6 7.2 exhaust type authorizations type test center europe germanischerlloyd type test center usa epa(unitedstatesenvironmentalprotectionagency) theoutputofthemotoris49kw. Alloriginalsarepresentandcanbeviewedatanytime. Theycan...

  • Page 39

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop _ _ _ _ _ _ _ _ _ _ _________________ service manual page 7 8 proof of maintenance for work carried out date: work carried out: motoroilchange oil filter change sparkplugchange valveplaychecked valveplayadjusted coolantchange ......................

  • Page 40

    402062_shb_rev1.1_080611 mpe 750 na marine closed loop service manual page 8 date: work carried out: motoroilchange oil filter change sparkplugchange valveplaychecked valveplayadjusted coolantchange ............................................... ............................................... ........