Maintenance And Inspection - Hitachi CC 14SC Manual De Instrucciones

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2. Mounting the Cut-Off Wheel.
Thoroughly remove dust from the wheel washer and bolt, then mount the cut-off wheel by following the
dismounting procedures in reverse order.
CAUTION:

MAINTENANCE AND INSPECTION

WARNING:
Always confirm that the trigger switch is turned OFF and that the power plug has been
disconnected from the receptacle before performing any maintenance or inspection of this
tool, to avoid accidental injury.
1. Replacing a cut-off wheel.
When the cut-off wheel has already become dull by frequent use, it can cause overload to the motor.
Consequently, re-dress or replace a dull cut-off wheel to ensure cut-off efficiency.
2. Inspecting the carbon brushes (Fig. 17 and 18).
The carbon brushes in the motor are expendable parts.
If the brushes become excessively worn, motor trouble might occur.
Therefore, inspect the brushes periodically, and replace them when they have become worn to the wear
limit line, as shown in Fig. 17.
Also, keep the carbon brushes clean be so that they will slide smoothly within the brush holders. The
carbon brushes can easily be removed after disassembling the brush caps (see Fig. 18) with a slotted
(minus) screwdriver.
3. Inspecting the mounting screws.
Regularly inspect each component of the power tool for looseness.
Re-tighten mounting screws on any loose part.
WARNING:
4. Inspecting the safety cover for condition and proper operation.
Before each use of the tool, test the safety cover (see Fig. 1) to assure that it is in good condition and that
it moves smoothly.
Never use the tool unless the safety cover operates properly, and unless it is in good mechanical
condition.
5. Storage.
Confirm that the trigger switch is turned OFF, that the power plug has been removed from the receptacle
and that the lock-off button has been removed and has been stored in a secure place, after operation of
the tool has been completed.
When the tool is not in use, keep it stored in a dry place out of the reach of children.
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* Confirm that the stopper pin has returned to the retract position after installing or
removing the cut-off wheel.
* Tighten the bolt so that it doesn't come loose during operation of the cut-off wheel.
Confirm that the bolt has been properly tightened before the power tool is started.
Wear Limit
1/4" (6 mm)
21/32" (17 mm)
Fig. 17
Never operate the power tool if any components are loose, to prevent personal injury.
Brush Cap
Fig. 18