English
M AINTENANCE AND INSPECTION
WARNING:
1. Inspecting the drill bits
Since use of a dull tool w ill cause m otor m alfunctioning and degraded efficiency, replace
the drill bit w ith a new one or resharpening w ithout delay w hen abrasion is noted.
2. Inspecting the screw s
Regularly inspect all screw s and ensure that they are fully tightened. Should any of the
screw s be loosened, retighten them im m ediately.
WARNING:
3. Keeping after use
When not in use, the Pow er 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
replacem ent on this tool should ONLY be perform ed by a HITACHI AUTHORIZED
SERVICE CENTER.
5. M aintenance of the m otor
The m otor unit w inding is the very " heart" ' of the pow er tool. Exercise due care to ensure
the w inding does not becom e dam aged and/or w et w ith oil or w ater.
6. Service and repairs
All quality pow er tools w ill eventually require servicing or replacem ent of parts because
of w ear from norm al use. To assure that only authorized replacem ent parts w ill be used,
all service and repairs m ust be perform ed by a HITACHI AUTHORIZED SERVICE CENTER,
ONLY.
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Be sure to sw itch pow er OFF and disconnect the plug from the receptacle
during maintenance and inspection.
Using this drill w ith loosened screw s is extremely dangerous.