6.4 Adjusting the chassis ....................................................................................................... 52
6.4.1 Adjusting the towbar height ................................................................................ 53
6.4.2 Changing the towing eye .................................................................................... 53
7 Initial Start-up
7.1 Ensuring safety ................................................................................................................ 57
7.2 Before Initial Start-up (or Recommissioning) ................................................................... 57
7.2.1 Note when commissioning .................................................................................. 57
7.2.2 Special measures for re-commissioning after storage ........................................ 58
7.3 Checking installation and operating conditions ................................................................ 58
7.4 Low-temperature operation (winter) ................................................................................. 59
7.4.1 Starting assistance ............................................................................................. 59
7.4.2 Starting up low-temperature equipment .............................................................. 61
8 Operation
8.1 Ensuring safety ................................................................................................................ 63
8.2 Starting and stopping ....................................................................................................... 63
8.2.1 Commissioning the machine ............................................................................... 64
8.2.2 Starting the machine ........................................................................................... 65
8.2.3 Allow the machine to run up to operating temperature ....................................... 65
8.2.4 Switching to LOAD ............................................................................................. 66
8.2.5 Manual pressure setting ..................................................................................... 66
8.2.6 Shutting down the machine ................................................................................ 67
8.3 Monitoring the fuel level ................................................................................................... 67
8.4 Operating the tool lubricator ............................................................................................. 68
8.5 Using the low-temperature equipment ............................................................................. 69
8.5.1 Using with the frost protector switched on .......................................................... 69
8.5.2 Coolant pre-heating ............................................................................................ 70
8.6 Operating the battery isolating switch .............................................................................. 70
8.7 Shut down the machine if any dangerous situation arises ............................................... 71
9 Fault Recognition and Rectification
9.1 Basic instructions ............................................................................................................. 72
9.2 Evaluate engine faults and alarms ................................................................................... 72
9.2.1 Engine refuses to start or does not turn over ...................................................... 72
9.2.2 Engine does not reach full speed ....................................................................... 73
9.2.3 Indicator lamp remains on .................................................................................. 73
9.3 Evaluate compressor faults and alarms ........................................................................... 74
9.3.1 Working pressure too high .................................................................................. 74
9.3.2 Working pressure too low. .................................................................................. 74
9.3.3 Pressure relief valve blowing off ......................................................................... 75
9.3.4 Machine overheating .......................................................................................... 75
9.3.5 Too much oil residue in the compressed air ....................................................... 76
9.3.6 Oil flows from the compressor air filter after shutdown ....................................... 76
9.3.7 High moisture content in the compressed air ..................................................... 77
9.4 Evaluate faults in the diesel particulate filter .................................................................... 77
10 Maintenance
10.1 Ensuring safety ................................................................................................................ 79
10.2 Following the maintenance plans ..................................................................................... 80
10.2.1 Logging maintenance work ................................................................................. 80
10.2.2 Maintenance tasks after commissioning ............................................................. 80
10.2.3 Regular maintenance tasks ................................................................................ 81
10.3 Engine maintenance ........................................................................................................ 85
10.3.1 Water cooler maintenance .................................................................................. 86
10.3.2 Engine air filter maintenance .............................................................................. 91
Contents
No.: 9_6974 20 E
Service manual Portable compressor
M122
iii
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