Operational Cautions; Maintenance And Inspection - Hitachi CR 18DBL Handling Instructions Manual

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10. LED light warning signals (Fig. 33)
This product features functions that are
designed to protect the tool itself as well as the
battery. While the switch is pulled, if any of the
safeguard functions activate during operation,
the LED light will blink as described in Table 5.
When any of the safeguard functions are
triggered, immediately remove your fi nger from
the switch and follow the instructions described under corrective action
Safeguard Function
Overburden Protection
Temperature Protection

OPERATIONAL CAUTIONS

Resting the unit after continuous work
(1)
The power tool is equipped with a temperature protection circuit to protect the motor.
Continuous work may cause the temperature of the unit to rise, activating the temperature
protection circuit and automatically stopping operation.
If this happens, allow the power tool to cool before resuming use.
(2)
After use for continuous works, rest the unit for 15 minutes or so when replacing the battery.
The temperature of the motor, switch, etc., will rise if the work is started again immediately
after battery replacement, eventually resulting in burnout.

MAINTENANCE AND INSPECTION

CAUTION
Be sure to turned off the switch and remove the battery before maintenance and
inspection.
1.
Inspecting the blade
Continued use of a dull or damaged blade will result in reduced cutting effi ciency and may
cause overloading of the motor. Replace the blade with a new one as soon as excessive
abrasion is noted.
CAUTION
If a dull saw blade is used, reactive force is increased during cutting operation.
Avoid the use of the dull saw blade without repair.
Table 5
LED Light Display
On 0.1 second/off 0.1 second
On 0.5 second/off 0.5 second
45
Fig. 33
Corrective Action
Remove the cause of the
overburdening.
Allow the tool and battery to
thoroughly cool.
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