TYROLIT Hydrostress HRH500 Series, Operating Instructions Manual

Page: 21 / 26

TYROLIT Hydrostress AG
Page 21 Ring saw HRH500
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Faults 8
Faults
Fault Possible cause Solution
Ring saw does not start Drive unit switched off X Switch on drive unit.
Emergency STOP on drive unit
pressed X Re-set emergency STOP.
Cutting ring does not rotate Cutting ring not located cor-
rectly on the profiled drive roller
X
Mount the cutting ring correctly.
Incorrect hose connection
X
Check hydraulic system.
Hydraulic motor fault
Oil delivery not connected
properly
Main drive unit motor not
switched on
X
Switch on main motor.
Drive rollers dirty
X
Clean drive rollers.
Roller pre-tension device not
engaged X Check roller pre-tension device.
Cutting ring revolves too slowly Drive rollers worn X Change drive rollers.
Roller bearing defective X Change roller bearing.
Inadequate oil flow and pres-
sure X Check drive unit.
Roller pre-tension device not
engaged X Check roller pre-tension device.
Cutting ring disengages Roller distance too large X Check roller pre-tension device.
Drive rollers worn X Change drive rollers.
Cutting ring damaged X Change cutting ring.
Roller pre-tension device not
engaged X Check roller pre-tension device.
Cutting ring twisted Cutting ring inadequately
cooled X Check water cooling.
X
Change cutting ring.
Diamond segments broken off Cutting ring twisted X Change cutting ring.
Hard resistance in work piece
X
Change cutting ring.
Brazing or welding of segments
not professional standard X Change cutting ring.
Motor seal split Ring saw runs backwards X Check hydraulic connections and drive unit oil
circuit.
Pressure too high X Check setting at drive unit. If necessary, install
a pressure reducing valve and a flow divider.
Defective seal X Replace seal.
Oil return incorrectly connected X Check connector.