Weber Motor MPE 850 Service Manual

406555_SHB Rev 1.010.07.2012MPE 850 IND NA – 406555This service manual is valid for the following engine variants:Read this service manual thoroughly

10 SHB MPE850 Rev 1.1 | 406555 |Warning against chemicals/hazardous materials according to the law of the state of California. This product contains c

11SHB MPE850 Rev 1.1 | 406555 |009999213453 DescriptionThe MPE 850 IND NA has been designed for powering portable fire pumps.The engine was not design

12 SHB MPE850 Rev 1.1 | 406555 |3.3 Fuel3.4 Engine oilEngine damage and loss of power caused by fuel with an insufficient octane rating.Fuel with an

13SHB MPE850 Rev 1.1 | 406555 |3.5 CoolantFreezing, overheating or corrosion due to incorrect mixing ratio or unauthorized coolant additives.An incorr

14 SHB MPE850 Rev 1.1 | 406555 |42114513113129876103.6 Engine components and information – Coolant circuit vent 1 – Exhaust ducts 2 – Oil filter 3 –

15SHB MPE850 Rev 1.1 | 406555 |482 mm [19 in]420 mm [17 in]408 mm [16 in]3.7 Technical specifications3 Description3.7 Technical specifications4-str

16 SHB MPE850 Rev 1.1 | 406555 |4.1 Service intervalsActivitybefore operationCheck oil level 1Check coolant level 14 OperationFamiliarize yourself wi

17SHB MPE850 Rev 1.1 | 406555 |Activity1st serviceafter 25 h1subsequent service intervalspreparing for storage4every 100 h1every 200 h1Change engine o

18 SHB MPE850 Rev 1.1 | 406555 |4.2 Operation during the break-in periodThe way you operate the engine during the first five hours of operation is a

19SHB MPE850 Rev 1.1 | 406555 |4.3 Before operation4.3.1 Checking coolant levelDanger of overheating caused by a lack of coolant.Insufficient coolan

20 SHB MPE850 Rev 1.1 | 406555 |5.1 Engine idle for more than 30 daysIf you do not intend to operate the engine for 30 days or more, prepare the engi

21SHB MPE850 Rev 1.1 | 406555 |6 MalfunctionsIn the event of a malfunction, please contact a workshop authorized by Weber Motor or the portable fire p

22 SHB MPE850 Rev 1.1 | 406555 |7 Dealer and servicing network7.1 Locating a workshopAn extensive global dealer and servicing network is available.

23SHB MPE850 Rev 1.1 | 406555 |8 Service tasks in the workshop8.1 Safety messages workshopAll service tasks described in the following chapter requi

24 SHB MPE850 Rev 1.1 | 406555 |8.2 Tools and accessoriesWeber Motor offers a service case that contains the following service parts. Visit your loca

25SHB MPE850 Rev 1.1 | 406555 |8.2.2 Equipment workshopFigure DescriptionHexagon screwdriver 5Torque wrench8 – 32 Nm [5 – 24 lbf ft]with extension an

26 SHB MPE850 Rev 1.1 | 406555 |Supplies Recommended productsAnti-Seize assembly paste for lubricating threaded connectionsWeicon Anti-Seize „High-Tec

27SHB MPE850 Rev 1.1 | 406555 |12348.3 Changing engine oil and oil filterSee the portable fire pump manufacturer‘s documentation.8.3.2 Replacing oil

28 SHB MPE850 Rev 1.1 | 406555 |1345268.4 Checking and adjusting valve playCheck valve play with a cold engine.WARNING! Danger of serious cuts from t

29SHB MPE850 Rev 1.1 | 406555 |987Information! The camshaft is turned using the crankshaft. The portable fire pump manufacturer has devised a suitable

Weber Motor GmbHOtto-Lilienthal-Str. 588677 MarkdorfGermanywww.weber-motor.com- Translation of the original service manual -Weber Motor GmbH strives t

30 SHB MPE850 Rev 1.1 | 406555 |12111013 ► Check the valve play 12 of all valves on the cylinder using a feeler gauge.Required valve play: 0,2 – 0,3 m

31SHB MPE850 Rev 1.1 | 406555 |53718152641721192016181422238 Service tasks in the workshop8.4 Checking and adjusting valve play ► Put the valve cove

32 SHB MPE850 Rev 1.1 | 406555 |218.4.2 Adjusting valve play with valve adjustment kit – Valve adjustment shims – Caliper – Bar magnet – Valve adjust

33SHB MPE850 Rev 1.1 | 406555 |57436Replacing valve adjustment shim.NOTICE! Engine damage from small components in the engine or cylinder head. Operat

34 SHB MPE850 Rev 1.1 | 406555 |1011121398 ► Press down the slide plate 11 using the rocker arm pusher 10 until the pin 12 engages. ► Remove the valve

35SHB MPE850 Rev 1.1 | 406555 |1415161718 ► Hold the rocker arm pusher 14 in position. ► Press down the slide plate 15 slightly using the rocker arm p

36 SHB MPE850 Rev 1.1 | 406555 |218.4.3 Adjusting valve play without special tool – Valve adjustment shims – Caliper – Bar magnet – Universal pliersA

37SHB MPE850 Rev 1.1 | 406555 |435768Adjusting the valve play on the 1st cylinder ► Turn the camshaft until the position of the camshaft is as illustr

38 SHB MPE850 Rev 1.1 | 406555 |1110129 ► Hold the rocker arm 10 in position. ► Check if the circlip 12 is installed. ► Slide in the rocker axle 11. ►

39SHB MPE850 Rev 1.1 | 406555 |14236.5 Replacing spark plugsRemove spark plugs with a cold engine. ► Disconnect the wire harness connectors from the

4 SHB MPE850 Rev 1.1 | 406555 |Table of contentsTable of contents1 About this document 61.1 Meaning of the symbols and signal words ...

40 SHB MPE850 Rev 1.1 | 406555 |98675 ► Insert the ignition coils 5. ► Replace serrated lock washers 6. Assemble the bolts 7, washers 8 and serrated l

41SHB MPE850 Rev 1.1 | 406555 |14238.6 Checking spark plugsRemove spark plugs with a cold engine. ► Disconnect the wire harness connectors from the i

42 SHB MPE850 Rev 1.1 | 406555 |119108756 ► Insert the ignition coils 8. ► Replace serrated lock washers 9. Assemble the bolts 10, washers 11 and serr

43SHB MPE850 Rev 1.1 | 406555 |12 ► Connect the wire harness connectors to the ignition coils 12. ► Start the engine and allow to run for 1 – 2 minute

44 SHB MPE850 Rev 1.1 | 406555 |8.7 Changing coolantSee the portable fire pump manufacturer‘s documentation.8.8 Replacing fuel filterSee the portabl

45SHB MPE850 Rev 1.1 | 406555 |18.9 Preparing the engine for storage ► Change engine oil and oil filter (See chapter 8.3 Changing engine oil and oil

46 SHB MPE850 Rev 1.1 | 406555 |8.10 DisposalWhen disposing of operating materials, replaced parts or the whole engine, always comply with the relevan

47SHB MPE850 Rev 1.1 | 406555 |_ _ _ _ _ _ __________________ _ _ _ _ _ _ _9 Confirmation of service tasksDate:Work carried out: Engine oil and oil

48 SHB MPE850 Rev 1.1 | 406555 |Date:Work carried out: Engine oil and oil filter changed Valve play checked Spark plugs replaced Coolant changed

49SHB MPE850 Rev 1.1 | 406555 |Appendix Engine manufacturerWeber Motor GmbHOtto-Lilienthal-Str. 588677 MarkdorfGermanywww.weber-motor.comEngine manufa

5SHB MPE850 Rev 1.1 | 406555 |Table of contents8.3.1 Changing engine oil ...278.3.2 Replacing oil fil

50 SHB MPE850 Rev 1.1 | 406555 |Index AppendixIndexBBreak-in period, engine 18CComponents, engine 14Coolant, change 44Coolant level, check 19Coola

6 SHB MPE850 Rev 1.1 | 406555 |This service manual was designed to help you operate the engine safely and reliably.Observe the following information:

7SHB MPE850 Rev 1.1 | 406555 |This engine is state-of-the-art and built according to recognized safety-technical regulations. Ignoring the information

8 SHB MPE850 Rev 1.1 | 406555 |2.2 Important safety messagesIn order to keep your engine in a safe operating condition, regular servicing is essentia

9SHB MPE850 Rev 1.1 | 406555 |Handling of fuel, engine oil and coolantOperating materials pose a health risk. ► Always read the manufacturer's in