8 Maintenance .................................................................................................... 55
8.1 General maintenance instructions .................................................................... 55
8.2 Maintenance work ............................................................................................. 56
8.2.1 Maintenance notice label .................................................................................. 56
8.2.2 Maintenance plan .............................................................................................. 58
8.2.3 Checking the intake area of the combustion air ................................................ 60
8.2.4 Checking the cooling air area ........................................................................... 63
8.2.5 Change the engine oil ....................................................................................... 64
8.2.6 Cleaning the cooling fan, cooling fins and oil cooler ......................................... 66
8.2.7 Checking the screw connections ...................................................................... 70
8.2.8 Cleaning the screen insert in the exhaust pipe (additional equipment) ............ 70
8.2.9 Changing the fuel prefilter ................................................................................. 72
8.2.10 Maintaining the dry air filter ............................................................................... 74
8.2.11 Checking and cleaning the air filter cartridge .................................................... 76
8.2.12 Check and set the tappet clearance ................................................................. 78
8.2.13 Changing the oil filter ........................................................................................ 82
8.2.14 Change the fuel filter ......................................................................................... 83
8.2.15 Checking that the air filter maintenance indicator is working properly .............. 87
8.2.16 Renewing the poly v belt and checking the function of the switch-off unit ........ 89
9 Faults ............................................................................................................... 93
9.1 Troubleshooting ................................................................................................ 93
9.2 Emergency start ................................................................................................ 99
10 Storage and disposal ...................................................................................... 102
10.1 Storing the machine .......................................................................................... 102
10.2 Disposing of the machine .................................................................................. 102
11 Installation declaration ................................................................................... 103
Table of contents 2-4L41C, 2-4M41, 2-4M41Z, 4L42C, 4M42
4 Operator's Manual
HATZ
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