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Therefore, inspect the carbon brushes periodically and replace them
when they have become worn to the wear limit line as shown in Fig.
35.
Also, keep the carbon brushes clean so that they will slide smoothly
within the brush holders.
The carbon brushes can easily be removed after removal of the brush
caps (see Fig. 36) with a slotted (minus) screwdriver.
Fig. 35
Fig. 36
4. About Handling the Motor (see Fig. 1)
Winding of the motor is said to be the heart of this tool. Exercise
utmost caution not to damage the winding by exposing it to wash
oil or water.
NOTE:
Accumulation of dust and the like inside the motor can result in a
malfunction.
After using the motor for 50 hours or so, carry out no-load running,
and blow in the dry air from a wind hole at the motor’s rear. Such
action is effective to discharge dust and the like.
5. Inspecting the screws
Regularly inspect each component of the power tool for looseness.
Re-tighten screws on any loose part.
WARNING:
To prevent personal injury, never operate the power tool if any
components are loose.
6. Inspecting the lower guard for proper operation
Before each use of the tool, test the lower guard (see Fig. 7) to assure
that it is in good condition and that it moves smoothly.
Never use the tool unless the lower guard operates properly and it
is in good mechanical condition.
7. Storage
After operation of the tool has been completed, check that the
following has been performed:
(1) Trigger switch is in OFF position,
(2) Power plug has been removed from the receptacle,
(3) To prevent unauthorized operation of this tool, insert a padlock
through the hole in the switch trigger.
When the tool is not in use, keep it stored in a dry place out of the
reach of children.
8. Lubrication
Lubricate the following sliding surfaces once a month to keep the
power tool in good operating condition for a long time (see Fig. 1
and Fig. 2). Use of machine oil is recommended.
Oil supply points:
* Rotary portion of hinge
* Rotary portion of vise assembly
9. Cleaning
Periodically remove chips, dust and other waste material from the
surface of the power tool, especially from the inside of the lower
guard with a damp, soapy cloth. To avoid a malfunction of the motor,
protect it from contact with oil or water.
(Only Model C10FCH2)
If the laser line becomes invisible due to chips and the like adhered
onto the window of the laser marker’s light-emitting section, wipe
and clean the window with a dry cloth or a soft cloth moistened with
soapy water, etc.
10. 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.
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.
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 and that the double insulation system will
be protected, all service (other than routine maintenance) must be
performed by an AUTHORIZED HITACHI POWER TOOL REPAIR CENTER
ONLY.
NOTE:
Specifications are subject to change without any obligation on the
part of HITACHI.
1/4 in. (6mm)
11/16 in. (17mm)
No. 38 indicates the last
two numbers of carbon
brush Code No.
Wear limit line
38
Brush cap
Groove for driver
01Eng_C10FCH2_US 6/15/07, 19:1015