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11
MAINTENANCE AND INSPECTION
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
A: Item No.
B: Code No.
C: No. Used
D: Remarks
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.
MODIFICATIONS:
Hitachi Power Tools are constantly being improved
and modified to incorporate the latest
technological advancements.
Accordingly, some parts (i.e. code numbers and/
or design) may be changed without prior notice.
01Eng_DV13SS_US 10/29/08, 18:0811