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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 properly tightened. Should any of the screws
be loose, retighten them immediately.
WARNING:
Using this Rotary Hammer with loosen screws is
extremely dangerous.
3.
Maintenance of the motor
The motor unit is the very "heart" of the power
tool. Exercise due care to ensure the motor does
not become damaged and/or wet with oil or water.
4.
Grease replacement
This Rotary Hammer is of full air-tight construction
to protect against dust and to prevent lubricant
leakage.
Therefore, this Rotary Hammer can be used
without lubrication for long periods. Replace the
grease as described below.
Grease Replacement Period
After purchase, replace grease after every 6
months of usage. Ask for grease replacement at
the nearest authorized Service Center.
5.
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.
6.
Service parts list
CAUTION:
G
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 may be changed without
prior notice.
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