Maintenance And Inspection - Hitachi Koki DV 20VD Manual De Instrucciones

WARNING:
Be sure to switch power OFF and disconnect the plug from the receptacle during maintenance and
inspection.
1. Inspecting the drill bits
Since use of a dull tool will cause motor malfunctioning
and degraded efficiency, replace the drill bit with a
new one or resharpening without delay when abrasion
is noted.
2. Inspecting the screws
Regularly inspect all screws and ensure that they
are fully tightened. Should any of the screws be
loosened, retighten them immediately.
WARNING:
Using this hammer drill with loosened screws is
extremely dangerous.
3. Keeping after use
When not in use, the Power tool should be kept in a
dry place out of the reach of children.
4. Inspecting the carbon brushes
For your continued safety and electrical shock
protection, carbon brush inspection and replacement
on this tool should ONLY be performed by a Hitachi
Authorized Service Center.
5. Maintenance of the motor
The motor unit winding is the very "heart" of the
power tool. Exercise due care to ensure the winding
does not become damaged and/or wet with oil or
water.
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.
7. Service parts list
CAUTION:
Repair, modification and inspection of Hitachi
●
Power Tools must be carried out by a Hitachi
Authorized Service Center.
This Parts List will be helpful if presented with
the tool to the Hitachi Authorized Service Center
when requesting repair or other maintenance.
In the operation and maintenance of power
tools, the safety regulations and standards
prescribed in each country must be observed.

MAINTENANCE AND INSPECTION

MODIFICATIONS:
Hitachi Power Tools are constantly being improved
and modifi ed to incorporate the latest technological
advancements.
Accordingly, some parts or design may be changed
without prior notice.
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