57
English
Symptom
Possible cause
Remedy
Tool
The tool does not trim
well.
The blade has become dull.
Use a wire brush or other tool to remove
sap and rust and use a
fi
le or whetstone
to sharpen the blade. If these e
ff
orts fail
to make the blade sharper, the blade
has reached the end of its service life.
Replace the blade with a new one.
The blade stopped because it was used
to cut a branch whose width exceeded
the blade’s cutting capacity.
NOTE
Work that will repeatedly cause the
blade to stop will eventually damage
the motor.
Some garden trees have wood that
is very hard and may be beyond the
capacity of the tool even if it is of a width
that is within normal capacity. Use a
pair of pruning shear to remove thick
branches before starting work.
An oblique cut may also exceed the
capacity of the tool since the length of
the cut increases. Be sure to trim thick
branches at right angles.
NOTE
Due to HITACHI’s continuing program of research and
development, the speci
fi
cations herein are subject to
change without prior notice.
Information concerning airborne noise and vibration
The measured values were determined according to
EN60745 (CH10DL) or IEC60335 (CG10DL) and declared
in accordance with ISO 4871.
Measured A-weighted sound power level:
81 dB (A) (CH10DL)
84 dB (A) (CG10DL)
Measured A-weighted sound pressure level:
70 dB (A) (CH10DL)
81 dB (A) (CG10DL)
Uncertainty K: 3 dB (A).
Wear ear protection.
Vibration total values (triax vector sum) determined
according to EN60745 or IEC60335.
No load:
a
h
= 1.7 m/s
2
, Uncertainty K = 1.5 m/s
2
(CH10DL)
a
hw
= 1.9 m/s
2
(CG10DL)
The declared vibration total value has been measured in
accordance with a standard test method and may be used
for comparing one tool with another.
It may also be used in a preliminary assessment of exposure.
WARNING
◯
The vibration emission value during actual use of the
power tool can di
ff
er from the declared total value
depending on the ways in which the tool is used.
◯
Identify safety measures to protect the operator that
are based on an estimation of exposure in the actual
conditions of use (taking account of all parts of the
operating cycle such as the times when the tool is
switched o
ff
and when it is running idle in addition to the
trigger time).
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