
3.9.6 After maintenance work............................................................................................................. 32
3.10 Repair......................................................................................................................................... 33
3.11 Signage...................................................................................................................................... 34
3.12 Safety Components.................................................................................................................. 38
4 Indicators and control elements........................................................................................................ 39
4.1 Operating hour meter/engine rpm-meter.................................................................................. 40
5 Checks prior to start up...................................................................................................................... 41
5.1 Notes on safety........................................................................................................................... 42
5.2 Visual inspections and function tests....................................................................................... 43
5.3 Daily maintenance....................................................................................................................... 44
5.3.1 Checking the engine oil level..................................................................................................... 44
5.3.2 Checking the fuel level; topping up fuel..................................................................................... 44
5.3.3 Checking the rubber buffers....................................................................................................... 45
6 Operation............................................................................................................................................. 47
6.1 Adjusting the guide handle........................................................................................................ 48
6.2 Starting the engine...................................................................................................................... 49
6.3 Work mode................................................................................................................................... 53
6.4 Parking the machine in secured condition............................................................................... 55
6.5 Operating hour meter/engine rpm-meter.................................................................................. 56
7 Loading / transporting the machine.................................................................................................. 59
7.1 Loading the machine.................................................................................................................. 60
7.2 Lashing the machine to the transport vehicle.......................................................................... 62
8 Maintenance........................................................................................................................................ 63
8.1 Preliminary remarks and safety notes...................................................................................... 64
8.2 Fuels and lubricants................................................................................................................... 65
8.2.1 Engine oil................................................................................................................................... 65
8.2.2 Fuel............................................................................................................................................ 65
8.2.3 Gear oil SAE 75W-90................................................................................................................. 66
8.3 List of fuels and lubricants........................................................................................................ 67
8.4 Running-in instructions.............................................................................................................. 68
8.4.1 General information.................................................................................................................... 68
8.4.2 After the first 25 operating hours................................................................................................ 68
8.5 Maintenance Table...................................................................................................................... 69
8.6 Weekly.......................................................................................................................................... 70
8.6.1 Checking, cleaning the air filter.................................................................................................. 70
8.7 Monthly........................................................................................................................................ 72
8.7.1 Checking the tamper foot........................................................................................................... 72
8.8 Semi-annually.............................................................................................................................. 74
8.8.1 Changing the engine oil............................................................................................................. 74
8.9 Annually / every 100 operating hours....................................................................................... 75
8.9.1 Checking, adjusting the valve clearance.................................................................................... 75
8.9.2 Replacing the spark plug............................................................................................................ 78
8.9.3 Replacing the fuel filter............................................................................................................... 79
8.9.4 Cleaning the fuel strainer........................................................................................................... 80
8.9.5 Replacing the air filter................................................................................................................ 82
Table of contents
DR7
4