
3.10 Repair......................................................................................................................................... 33
3.11 Signage...................................................................................................................................... 34
4 Indicators and control elements........................................................................................................ 39
4.1 Engine.......................................................................................................................................... 40
4.1.1 Overview.................................................................................................................................... 40
4.1.2 Starter switch............................................................................................................................. 40
4.1.3 Throttle lever.............................................................................................................................. 41
4.1.4 Choke lever................................................................................................................................ 41
4.1.5 Recoil starter.............................................................................................................................. 41
4.1.6 Fuel valve................................................................................................................................... 42
4.2 Water spraying system............................................................................................................... 43
5 Checks prior to start up...................................................................................................................... 45
5.1 Notes on safety........................................................................................................................... 46
5.2 Visual inspections and function tests....................................................................................... 47
5.3 Checking the engine oil level..................................................................................................... 48
5.4 Checking the fuel level; topping up fuel................................................................................... 49
5.5 Checking the rubber buffers...................................................................................................... 50
5.6 Checking the water level, topping up........................................................................................ 51
6 Operation............................................................................................................................................. 53
6.1 Mounting the guide handle........................................................................................................ 54
6.2 Starting the engine...................................................................................................................... 55
6.3 Operation..................................................................................................................................... 59
6.4 Switching the water spraying system on/off............................................................................ 61
6.5 Parking the machine in secured condition............................................................................... 62
7 Loading / transporting the machine.................................................................................................. 65
7.1 Loading the machine.................................................................................................................. 66
7.2 Lashing the machine to the transport vehicle.......................................................................... 67
8 Maintenance........................................................................................................................................ 69
8.1 Preliminary remarks and safety notes...................................................................................... 70
8.2 Fuels and lubricants................................................................................................................... 71
8.2.1 Engine oil................................................................................................................................... 71
8.2.2 Fuel............................................................................................................................................ 71
8.2.3 Oil for exciter shaft housing........................................................................................................ 72
8.3 List of fuels and lubricants........................................................................................................ 73
8.4 Running-in instructions.............................................................................................................. 74
8.4.1 General...................................................................................................................................... 74
8.4.2 After 25 operating hours............................................................................................................. 74
8.5 Maintenance Table...................................................................................................................... 75
8.6 Weekly.......................................................................................................................................... 76
8.6.1 Checking, cleaning the air filter.................................................................................................. 76
8.7 Semi-annually.............................................................................................................................. 79
8.7.1 Changing the engine oil............................................................................................................. 79
8.8 Annually....................................................................................................................................... 80
8.8.1 Checking, adjusting the valve clearance.................................................................................... 80
8.8.2 Replacing the spark plug............................................................................................................ 81
Table of contents
BVP 12/50 A
4
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