2. Disassembling
Follow the above procedures in reverse.
CAUTION
○ Confi rm that the depressed center wheel is mounted
fi rmly.
○ Confi rm that the push button is disengaged by pushing
push button two or three times before switching the
power tool on.
MAINTENANCE AND INSPECTION
1. Inspecting the depressed center wheel
Ensure that the depressed center wheel is free of cracks
and surface defects.
2. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure that
they are properly tightened. Should any of the screws be
loose, retighten them immediately. Failure to do so could
result in serious hazard.
3. 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.
4. Replacing supply cord
If the supply cord of Tool is damaged, the Tool must be
returned to Hitachi Authorized Service Center for the
cord to be replaced.
5. Maintenance of the motor
WARNING
Always wear protective goggles and dust respirators
when blowing air from the tail cover air hole with the use
of an air gun, etc.
Failure to observe this may result in ejected dust being
inhaled or entering your eyes.
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.
NOTE
When work has been fi nished, blow air containing no
moisture from the tail cover air hole with the use of an
air gun, etc., while running the motor without any load
applied. This is eff ective in removing any dirt and dust
that has accumulated. Dirt and dust collecting inside the
motor may result in malfunctions.
6. Service parts list
A: Item No.
B: Code No.
C: No. Used
D: Remarks
CAUTION
Repair, modifi cation 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 modifi ed to incorporate the latest technological
advancements.
Accordingly, some parts (i.e. code numbers and/or
design) may be changed without prior notice.
NOTE
Due to HITACHI's continuing program of research and
development, the specifi cations herein are subject to change
without prior notice.
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