8.2.1 Maintenance plan .............................................................................................. 52
8.2.2 Checking the intake area of the combustion air ................................................ 54
8.2.3 Checking the radiator fins for dirt accumulation ................................................ 55
8.2.4 Checking the cooling system ............................................................................ 57
8.2.5 Changing the engine oil and oil filter ................................................................. 59
8.2.6 Cleaning the radiator fins .................................................................................. 64
8.2.7 Tensioning the poly v belt ................................................................................. 67
8.2.8 Replacing the poly v belts ................................................................................. 69
8.2.9 Changing the oil separator of the crankcase ventilation ................................... 71
8.2.10 Checking the screw connections ...................................................................... 72
8.2.11 Draining the water separator ............................................................................. 73
8.2.12 Changing the fuel prefilter ................................................................................. 74
8.2.13 Changing the fuel fine filter ............................................................................... 77
8.2.14 Servicing the air filter (optional) ........................................................................ 80
8.2.15 Changing coolant .............................................................................................. 82
9 Faults ............................................................................................................... 86
9.1 Fault table ......................................................................................................... 86
10 Storage and disposal ...................................................................................... 95
10.1 Storing the machine .......................................................................................... 95
10.2 Disposing of the machine .................................................................................. 95
11 Installation declaration ................................................................................... 97
Table of contents 4H50TIC
4 Operator's Manual
HATZ