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15
MAINTENANCE AND INSPECTION
CAUTION:
Pull out battery before doing any inspection or maintenance.
1. Checking the condition of the bit
The bits should be checked regularly. If worn or
broken bits can slip or decrease the efficiency of the
motor and burn it out.
Replace worn bits with new ones.
CAUTION:
If you use a driver bit of which point is worn or
broken, it will be dangerous since it slips. So
replace it with a new one.
2. Check the screws
Loose screws are dangerous. Regularly inspect them
and make sure they are tight.
CAUTION:
Using this power tool with loosened screws is
extremely dangerous.
3. Check for dust
Dust may be removed with a soft cloth or a cloth
dampened with soapy water.
Do not use bleach, chlorine, gasoline or thinner, for
they may damage the plastics.
4. Disposal of the exhausted battery
WARNING:
Do not dispose of the exhausted battery. The
battery must explode if it is incinerated. The
product that you have purchased contains a
rechargeable battery. The battery is recyclable. At
the end of it’s useful life, under various state and
local laws, it may be illegal to dispose of this
battery into the municipal waste stream. Check
with your local solid waste officials for details in
your area for recycling options or proper disposal.
5. Storage
Store in a place below 104°F (40°C) and out of the
reach of children.
6. Service and repairs
All quality power tools will eventually require
servicing or replacement of parts because of wear
from normal use. To assure that only authorized
replacement parts will be used, all service and
repairs must be performed by a HITACHI
AUTHORIZED SERVICE CENTER, ONLY.
CAUTION:
●
While operating the Cordless driver drill, take care
not to lock the motor.
If the motor is locked, immediately turn the power
off.
If the motor is locked for a while, the motor or
battery will be burnt.
●
Do not tighten too strongly as the screw heads will
be damaged.
10. How to select tightening torque and rotational
speed
CAUTION
●
The selection examples shown in Table 5 should be
considered as general standard. As different types
of tightening screws and different materials to be
tightened are used in actual works proper
adjustments are naturally necessary.
Table 5
Use
Clutch dial position
Rotating speed selection (Position of the shift knob)
LOW (Low speed) HIGH (High speed)
Machine screw 1 – 21
For 6 mm or smaller
diameter screws.
Driving
Wood screw 1 –
For 5.8 mm or smaller
nominal diameter screws.
Wood
For 21 mm or smaller
diameters.
Drilling
Metal
For 6 mm or smaller
diameter screws.
For 3.8 mm or smaller
nominal diameter screws.
For 12 mm or smaller
diameters.
For drilling with a metal
working drill bit.
01Eng_DS10DFL_US 1/7/09, 12:2615