8 | Storage
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DURO-A RC
8
Storage
If the power chuck is not in use, the power chuck is to be stored in a dry, pro-
tected place in accordance with the storage temperature (
).
In the case of longer storage (one year or more), the power chuck must
be cleaned and lubricated before assembly.
9
Troubleshooting
Fault
Possible cause
Measure
The safety key cannot be
removed.
The jaws are not inter-
meshed in the wedge
bar.
Check jaw position and
correct if necessary.
The safety key cannot be
turned.
Piston not in front posi-
tion.
Move piston completely
forwards.
The adapter may be too
short.
The power chuck runs
with an imbalance.
The jaws are not in the
same position.
Unbalanced workpiece
clamped.
Check jaw position and
correct if necessary.
Measure distance of the
jaws to the outer Ø.
Balance workpiece or re-
duce speed.
The tensile force is not
reached.
The cylinder is incor-
rectly adjusted.
Check settings and cor-
rect if necessary.
The jaws cannot be re-
placed.
The wedge bar (12) is
soiled.
The draw bar is broken.
Clean the wedge bar
(12) as far as possible.
Contact the Service de-
partment of RÖHM
GmbH.
Replace draw bar. Con-
tact the Service depart-
ment of RÖHM GmbH.
The workpiece cannot be
inserted.
The workpiece diameter
is greater than the
clamping diameter of the
power chuck.
Use suitable top jaws or
power chuck.