Fig. 55 Emptying the fuel pre-filter water trap ........................................................................................ 111
Fig. 56 Changing the fuel pre-filter cartridge .......................................................................................... 112
Fig. 57 Fuel filter maintenance ............................................................................................................... 113
Fig. 58 Checking the engine oil level ...................................................................................................... 114
Fig. 59 Draining the engine oil ................................................................................................................ 116
Fig. 60 Draining the engine oil, central drain point ................................................................................. 117
Fig. 61 Changing the oil filter .................................................................................................................. 118
Fig. 62 Belt guard attachment ................................................................................................................ 119
Fig. 63 Manual checking of the belt tension ........................................................................................... 120
Fig. 64 Changing/tensioning the drive belt ............................................................................................. 121
Fig. 65 Safety signs - warning stickers on the battery. ........................................................................... 122
Fig. 66 Checking cooling oil level ........................................................................................................... 125
Fig. 67 Changing the cooling oil ............................................................................................................. 127
Fig. 68 Central compressor oil drainage ................................................................................................ 129
Fig. 69 Changing the oil filter .................................................................................................................. 130
Fig. 70 Oil separator tank dirt trap maintenance .................................................................................... 132
Fig. 71 Changing the oil separator cartridge .......................................................................................... 134
Fig. 72 Compressor air filter maintenance ............................................................................................. 136
Fig. 73 Cleaning the filter element .......................................................................................................... 136
Fig. 74 Cooler/radiator cleaning ............................................................................................................. 138
Fig. 75 Cleaning the compressed air aftercooler .................................................................................... 139
Fig. 76 Towbar maintenance .................................................................................................................. 141
Fig. 77 Ball coupling (EC version) .......................................................................................................... 142
Fig. 78 Ball coupling (USA version) ........................................................................................................ 142
Fig. 79 Checking the brake lining thickness ........................................................................................... 143
Fig. 80 Brake system adjustment ........................................................................................................... 144
Fig. 81 Cleaning the dirt trap .................................................................................................................. 146
Fig. 82 Combination filter maintenance .................................................................................................. 147
Fig. 83 Fresh air filter maintenance ........................................................................................................ 150
Fig. 84 Towing alignment ....................................................................................................................... 159
Fig. 85 Ball coupling (ALKO-EU) ............................................................................................................ 160
Fig. 86 Ball coupling wear indicator ........................................................................................................ 161
Fig. 87 Ball coupling (ALKO-USA) ......................................................................................................... 162
Fig. 88 Release the parking brake. ........................................................................................................ 163
Fig. 89 Safety sign - secure the chocks ................................................................................................. 164
Fig. 90 Breakaway cable attachment ..................................................................................................... 165
Fig. 91 Injury can occur if the towbar is unsupported and allowed to fall. .............................................. 165
Fig. 92 Actuating the parking brake ........................................................................................................ 166
Fig. 93 Safety sign - secure the chocks ................................................................................................. 167
Fig. 94 Transporting using a forklift truck ............................................................................................... 168
Fig. 95 Load secured by strapping ......................................................................................................... 169
Fig. 96 Marking ....................................................................................................................................... 171
List of Illustrations
viii
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
No.: 9_9425 01 E