Jäger Z80-K450.21 S5, Manual

Page: 33 / 36

Service and repairs
Item no. 10404131, Revision 10 33 ( 36 )
HF spindle becomes loud
Cause Troubleshooting
Tool unsuitable
q Only use balanced tools.
(Also see the "Tools for high speed cutting [ } 28] " section.)
q
Check the tool for damage.
q Replace damaged tool.
HF spindle is not
clamped truly or is dis-
torted
q Only use spindle holders from the original accessories or
holders produced according to the tolerances specified by
Nakanishi Jaeger GmbH .
HF spindle clamped
too tightly
q
Only tighten the clamping screws of the spindle holder
manually.
q Do not use technical aids to clamp the HF spindle.
Bearings damaged q Contact Nakanishi Jaeger GmbH service.
No automatic tool change
Cause Troubleshooting
Contamination
q
Remove all contamination between the tool taper and
shaft of the HF spindle.
(Observe all points in the “Tool change [ } 25] ” and “Mainte-
nance [
}
29] ” sections.)
Lack of pressure
q Check the connections for compressed air.
q Check the hoses for compressed air.
q Check the pneumatic circuit.
q
Check the setting of the compressed air for the tool
change.
(Also see the "Setting values [
}
23] " section.)
Sensor does not send any
signals
Cause Troubleshooting
No connection to sen-
sor
q Check the lines and connections.