Prior To Operation - Hitachi G 14DMR Handling Instructions Manual

(2) Avoid recharging at high temperatures.
A battery will be hot immediately after use. If such a battery is recharged immediately after
use, its internal chemical substance will deteriorate, and the battery life will be shortened.
Leave the battery and recharge it after it has cooled for a while.

PRIOR TO OPERATION

1. Preparing and checking the work environment
Make sure that the work site meets all the conditions laid forth in the precautions.
2. Checking the battery
Make sure that the battery is installed fi rmly. If it is at all loose it could come off and cause
an accident.
3. Fitting and adjusting the wheel guard
The wheel guard is a protective device to prevent injury should the depressed center
wheel shatter during operation. Ensure that the guard is properly fi tted and fastened before
commencing grinding operation. By slightly loosening the setting screw, the wheel guard
can be turned and set at any desired angle for maximum operational eff ectiveness. Ensure
that the setting screw is thoroughly tightened after adjusting the wheel guard.
4. Ensure that mounted wheels and points are fi tted in accordance with the manufacturer's
instructions.
Ensure that the depressed center wheel to be utilized is the correct type and free of cracks
or surface defects. Also ensure that the depressed center wheel is properly mounted
and the wheel nut is securely tightened, Refer to the section on "ASSEMBLING AND
DISASSEMBLING THE DEPRESSED CENTER WHEEL"
Ensure that blotters are used when they are provided with the bonded abrasive product and
when they are required.
Do not use separate reducing bushings or adaptors to adapt large hole abrasive wheels.
For tools intended to be fi tted with threaded hole wheel, ensure that the thread in the wheel
is long enough to accept the spindle length.
Do not use cutting off wheel for side grinding.
5. Conducting a trial run
Ensure that the abrasive products is correctly mounted and tightened before use and
run the tool at no-load for 30 seconds in a safe position, stop immediately if there is
considerable vibration or if other defects are detected.
If this condition occurs, check the machine to determine the cause.
6. Confi rm the push button.
Confi rm that the push button is disengaged by pushing push button two or three times
before switching the power tool on.
7. Fixing the side handle.
Screw the side handle into the gear cover.
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