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WARNING
Never change cutting tool or QuickFlex
®
adapter without holding the spindle! Use one-hand
wrench for holding the spindle!
3.2 Break in period
Break in period is essential for long life of the DTH.
Break in removes intensified friction of internal components, especially bearings and gears,
and helps to distribute the lubrication applied during assembly.
NOTICE
Run the DTH at 50 % of the maximum output RPM for 30 minutes without load during first
start-up. Maximum RPM is stated on the DTH dimensional drawing.
In case of error put DTH out of operation. Check if DTH is installed correctly, if necessary
and possible, correct the error. Let potential errors be repaired by WTO. Vibrations of the
DTH, excessive noises, high heat generation or excessive coolant leakage are signs of an
error.
During break in period DTH body temperature 75°C (167°F) must not be exceeded.
WARNING
Never change cutting tool or QuickFlex
®
adapter in turret positions other than the operation
position when turret drive is released.
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