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1. Description of the Engine, Mounting Instructions and Technical Data.............................................5
1.1. Overview.......................................................................................................................................5
1.2. Description of the carburation system...........................................................................................5
1.3. Description of the Ignition System................................................................................................6
1.4. Description of the cooling system..................................................................................................7
2. Installation instructions......................................................................................................................8
2.1. Mounting and securing the engine.................................................................................................8
2.2. The engine?s air supply..................................................................................................................8
2.3. The engine?s fuel system and fuel supply......................................................................................9
2.4. The operation of dual carburettors.................................................................................................9
3. Monitoring Apparatus......................................................................................................................11
3.1. Cylinder head temperature...........................................................................................................11
3.2. Exhaust gas temperature..............................................................................................................13
3.3. Fuel Pressure...............................................................................................................................15
3.4. Model Identification plate...........................................................................................................15
4. Specifications ? 2706 engine...........................................................................................................16
4.1. Installation Drawing - 2706.........................................................................................................16
5. Operation of the Engine...................................................................................................................17
5.1. General........................................................................................................................................17
5.2. Running in - Recommendation....................................................................................................18
5.3. Initial Inspection..........................................................................................................................18
5.4. Starting Procedure.......................................................................................................................18
5.5. Operating condition of the engine................................................................................................19
5.6. Powering down the engine...........................................................................................................19
6. Maintenance....................................................................................................................................20
6.1. General........................................................................................................................................20
6.2. Tools, special tools and torques...................................................................................................20
7. Maintenance rate - Daily inspections...............................................................................................21
8. Replacement of Parts.......................................................................................................................22
8.1. Maintenance instructions - Carburettors......................................................................................22
8.2. Synchronisation of dual Bing carburettors...................................................................................22
8.3. The basic setting of the mixture regulating screw........................................................................22
8.4. Cleaning of the carburettors.........................................................................................................22
8.5. Inspecting the air filters...............................................................................................................23
8.6. Inspecting the fuel lines...............................................................................................................23
8.7. Inspecting pulsation lines.............................................................................................................23
8.8. Spark plugs and sparkplug leads..................................................................................................23
8.9. Inspecting the condition of the sparkplug leads...........................................................................23
8.10. Installing and removing sparkplugs.............................................................................................23
8.11. Condition of the sparkplug..........................................................................................................23
9. Fan...................................................................................................................................................24
9.1. Remove and assembling the fan housing.....................................................................................24
9.2. Changing the fan belt...................................................................................................................24
10. Cylinder head...................................................................................................................................24
10.1. Cylinder head removal and installation.......................................................................................24
10.2. Checking the condition of the cylinder head................................................................................24
11. Trouble Shooting.............................................................................................................................25
11.1. Engine Does Not Start or is Difficult to Start..............................................................................25
11.2. Engine will not Idle.....................................................................................................................25
11.3. Engine Runs Rough, Uneven, and with Insufficient Power.........................................................25
11.4. Engine Does Not Develop Full Power.........................................................................................26
11.5. Excessive Cylinder Head Temperature........................................................................................26
12. Exhaust System................................................................................................................................27
12.1. Exhaust parts and measurements.................................................................................................28
13. Wiring Diagrams.............................................................................................................................29
13.1. Single PVL Ignition system - 2706..............................................................................................30
13.2. Dual PVL ignition system ? 2706................................................................................................31
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