
Service Interval - 4.000 Operating hours.............................................................................................................. 45
Maintenance Summary - 4.000 Operating hours...................................................................................................46
DL010 - Cleaning of the machine.......................................................................................................................... 47
DL015 - Check shutters for function and auto stop................................................................................................49
DL030 - Check coolant..........................................................................................................................................51
DL050 - Check central lubrication unit ..................................................................................................................53
DL055 - Check pneumatic unit ............................................................................................................................. 55
DL070 - Check power clamping device for dog clamping......................................................................................58
DL071 - Check pneumatic clamping device with wedge gear............................................................................... 60
DL075 - Check the cycloidal gear on the turret and the front working attachment................................................. 61
DL080 - Check the seals on the rotary distributor of the turret and the front working attachment, replace if
necessary .............................................................................................................................................................62
DL160 - Determine axis ballscrew backlash .........................................................................................................63
DL170 - Axes.........................................................................................................................................................65
DL180 - Check fire protection system (visual inspection)...................................................................................... 66
DL225 - Replace toothed belts and check belt tension..........................................................................................67
DL480 - Check wipers on the trolleys of the workpiece removal unit and replace them, if necessary.................... 69
DL490 - Replace the wiper and telescopic plates..................................................................................................70
DL491 - Clean drain holes at the Z cover of the upper tool carrier ........................................................................ 74
DL492 - Replace the wiper for fixed headstock operation on the main spindle .....................................................75
DL510 - Perform data backup................................................................................................................................76
DL520 - Check control cabinet and cable assemblies (visual inspection)............................................................. 77
DL525 - Check the fan and fan cover in the control cabinet, clean if necessary.................................................... 79
DL590 - Check inspection/replacement date of the backup batteries in the control cabinet (NC)......................... 80
DL636 - Check the replacement interval of the servo backup batteries at the axis servos.................................... 82
Service Interval - 8.000 Operating hours.............................................................................................................. 85
Maintenance Summary - 8.000 Operating hours...................................................................................................86
EL010 - Check the dog clamping fixture, replace if necessary.............................................................................. 87
EL020 - Check pneumatic clamping device with wedge gear, replace if necessary.............................................. 89
EL030 - Check automatic work area door with Xcenter (option)............................................................................ 90
Service Interval - 5 Years........................................................................................................................................ 93
Maintenance Summary - 5 Years...........................................................................................................................94
IL010 - Replacing the pneumatically pilot- controlled cooling lubricant valves.......................................................95
IL060 - Check the pretension on the spindle bearings on the main and counter spindles......................................96
Table of contents
II Maintenance Instructions
TNL20
DTE024EN - 26.10.2022