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1Description of the Engine, Mounting Instructions and Technical Data.....................................................5
1.1Overview...........................................................................................................................................5
1.2Description of the carburation system...............................................................................................5
1.3Description of the Ignition System....................................................................................................6
1.4Description of the cooling system......................................................................................................7
2Installation instructions..............................................................................................................................8
2.1Mounting and securing the engine.....................................................................................................8
2.2The engine?s air supply......................................................................................................................8
2.3The engine?s fuel system and fuel supply..........................................................................................9
2.4The operation of the single carburettor..............................................................................................9
2.5Securing the spark plug leads in a hanging (inverted) installation...................................................10
2.6Switching off the Ignition System (dual ignition)............................................................................10
3Monitoring Apparatus..............................................................................................................................11
3.1Cylinder head temperature...............................................................................................................11
3.2Exhaust gas temperature..................................................................................................................13
3.3Fuel Pressure...................................................................................................................................15
3.4Model Identification plate...............................................................................................................15
3.5Specifications ? 2702 engine...........................................................................................................16
3.6Installation Drawing - 2702.............................................................................................................16
4Operation of the Engine...........................................................................................................................17
4.1General............................................................................................................................................17
4.2Running in - Recommendation........................................................................................................18
4.3Initial Inspection..............................................................................................................................18
4.4Starting Procedure...........................................................................................................................18
4.5Operating condition of the engine....................................................................................................19
4.6Powering down the engine...............................................................................................................19
5Maintenance............................................................................................................................................20
5.1General............................................................................................................................................20
5.2Tools, special tools and torques.......................................................................................................20
6Maintenance rate.....................................................................................................................................21
6.1Daily inspections.............................................................................................................................21
6.2Periodic Inspections.........................................................................................................................21
6.3Replacement of Parts.......................................................................................................................22
7Maintenance instructions.........................................................................................................................22
7.1Carburettor.......................................................................................................................................22
7.2Inspecting the air filters...................................................................................................................22
7.3Inspecting the fuel lines...................................................................................................................22
7.4Inspecting pulsation lines.................................................................................................................22
7.5Spark plugs and sparkplug leads......................................................................................................22
7.6Inspecting the condition of the sparkplug leads...............................................................................23
7.7Installing and removing sparkplugs.................................................................................................23
7.8Condition of the sparkplug..............................................................................................................23
8Fan...........................................................................................................................................................23
8.1Remove and assembling the air cowl...............................................................................................23
8.2Remove and assembling the fan housing.........................................................................................23
8.3Changing the fan belt.......................................................................................................................23
9Cylinder head...........................................................................................................................................24
9.1Cylinder head removal and installation...........................................................................................24
9.2Checking the condition of the cylinder head....................................................................................24
10Trouble Shooting.............................................................................................................................25
10.1Engine Does Not Start or is Difficult to Start..................................................................................25
10.2Engine will not Idle.........................................................................................................................25
10.3Engine Runs Rough, Uneven, and with Insufficient Power.............................................................25
10.4Engine Does Not Develop Full Power.............................................................................................25
10.5Excessive Cylinder Head Temperature............................................................................................26
11Exhaust System................................................................................................................................27
11.1Exhaust parts and measurements.....................................................................................................28
12Wiring Diagrams.............................................................................................................................29
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