Preparations before starting .................................................................................................................. 32
Commissioning ....................................................................................................................................... 33
Checks during commissioning ............................................................................................................. 33
Switching the transverse drum cutter on and off ................................................................................ 33
Functional test ........................................................................................................................................ 33
Correct operation .................................................................................................................................... 34
Prohibited operation ............................................................................................................................... 35
Cylinder end positions ......................................................................................................................... 35
Moving the carrier ................................................................................................................................ 35
Lifting/Transporting .............................................................................................................................. 35
Impacting/chopping .............................................................................................................................. 36
Activities after use .................................................................................................................................. 36
Turning the transverse drum cutter ...................................................................................................... 36
Maintenance ................................................................................................................................................. 38
Maintenance works not allowed by Atlas Copco ................................................................................. 39
Maintenance schedule ........................................................................................................................... 40
Depressurising the hydraulic system ................................................................................................... 41
Cleaning ................................................................................................................................................... 41
Checking bolted connections ................................................................................................................ 41
Checking the hydraulic attachment and adapter plate for cracks ..................................................... 42
Checking the adapter plate bolts for wear ........................................................................................... 42
Change gear oil ....................................................................................................................................... 42
Oil change intervals ............................................................................................................................. 42
Preparation .......................................................................................................................................... 42
Drain off gear oil .................................................................................................................................. 42
Fill up gear oil ...................................................................................................................................... 43
Check the round attack picks ................................................................................................................ 44
Replace round attack picks ................................................................................................................... 44
Replace round attack pick with knock on retainer ............................................................................... 45
Replace round attack pick with retaining sleeve .................................................................................. 46
Replace round attack picks with quick snap retainer ........................................................................... 47
Replace round attack picks with retaining ring .................................................................................... 48
Replace cutter drums ............................................................................................................................. 49
Disassemble cutter drums ................................................................................................................... 49
Assemble cutter drums ........................................................................................................................ 50
Assemble and disassemble rotatable upper part ................................................................................ 52
Disassemble rotatable upper part ........................................................................................................ 52
Assemble rotatable upper part ............................................................................................................. 52
Checking hydraulic lines ....................................................................................................................... 53
Checking and cleaning the hydraulic oil filter of the carrier .............................................................. 53
Replace hydraulic hoses ........................................................................................................................ 54
Actions following maintenance ............................................................................................................. 54
Bolt connections/ Tightening torques .................................................................................................. 55
Troubleshooting ........................................................................................................................................... 57
Faults table .............................................................................................................................................. 57
Cutter drums do not turn / are blocked ................................................................................................ 58
Cutter drums turn too slowly ................................................................................................................. 58
Transverse drum cutter stops moving with light pressure ................................................................ 58
Unusual oscillation of the cutter drums ............................................................................................... 59
Round attack picks do not turn ............................................................................................................. 59
Unusually loud gear noise ..................................................................................................................... 59
Unusually loud noise from the hydraulic motor .................................................................................. 59
Overpressure cover for the hydraulic motor deformed, oil leak on sealing surface, oil leak at the
pressure limiting valve ........................................................................................................................... 60
Behaviour following fault elimination ................................................................................................... 60
Repair ............................................................................................................................................................ 61
Contents DC 200, 400, 600, 1000, 1200, 2000, 2100, 2900
4 © Construction Tools GmbH | 3390 5192 01 | 2016-12-01
Original instructions
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