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Hitachi C12RSH2 Manual

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39
(5) Thoroughly clean washer (B) and the 10 mm bolt, and
install them onto the saw blade spindle.
(6) Press in the spindle lock and tighten the 10 mm bolt by
turning it to the left by standard accessories (17 mm
wrench).
(7) Rotate the spindle cover unitl hook in spindle cover is in
the original position. Then tighten the 6 mm bolt.
CAUTION
○ A dust guide is installed inside behind the hinge. When
removing or installing the saw blade, do not make
contact with the dust guide. Contact may break or chip
saw blade tips.
○ Tighten the 10 mm bolt so it does not come loose during
operation.
○ Confi rm the 10 mm bolt has been properly tightened
before the power tool is started.
○ Confi rm that the lower guard has closed position.
2. Dismounting the saw blade
Dismount the saw blade by reversing the mounting
procedures described in paragraph 1 above.
The saw blade can easily be removed after lifting the
lower guard.
CAUTION
Never attempt to install saw blades except
305 mm in diameter.
MAINTENANCE AND INSPECTION
WARNING
To avoid an accident or personal injury, always confi rm
the trigger switch is turned OFF and that the power
plug has been disconnected from the receptacle before
performing any maintenance or inspection of this tool.
Report to qualifi ed person as soon as possible, if you
discover the fault of machine including guards or blade
saw.
1. Inspecting the saw blade
Always replace the saw blade immediately upon the fi rst
sign of deterioration or damage.
A damaged saw blade can cause personal injury and
a worn saw blade can cause ineff ective operation and
possible overload to the motor.
CAUTION
Never use a dull saw blade. When a saw blade is dull,
its resistance to the hand pressure applied by the tool
handle tends to increase, making it unsafe to operate the
power tool.
2. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure that
they are properly tightened. Should any of the screws
be loose, re-tighten them immediately. Failure to do so
could result in serious hazard.
3. Inspecting the carbon brushes (Fig. 34)
The motor employs carbon brushes which are
consumable parts. Since an excessively worn carbon
brush can result in motor trouble, replace the carbon
brushes with new ones having the same carbon brush
No. shown in the fi gure when it becomes worn to or near
the “wear limit”. In addition, always keep carbon brushes
clean and ensure that they slide freely within the brush
holders.
4. Replacing a carbon brushes (Fig. 34)
Disassemble the brush cap with a slotted-head
screwdriver. The carbon brushes can then be easily
removed.
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. Inspecting the lower guard for proper operation
Before each use of the tool, test the lower guard (Fig. 6)
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,
When the tool is not in use, keep it stored in a dry place
out of the reach of children.
8. Replacement of guard
After long-term use, the blade slot in the guard may
widen and require replacement. If the blade slot should
widen, replace the guard with a new one (Fig. 32). After
replacing, make a groove on it. Refer to “PRIOR TO
CUTTING 1. Cutting a groove on the guard” on page 35.
9. Lubrication
Lubricate the following sliding surfaces once a month
to keep the power tool in good operating condition for a
long time.
Use of machine oil is recommended.
Oil supply points:
* Rotary portion of hinge
* Rotary portion of holder (A)
* Rotary portion of vise assembly
10. Cleaning
Periodically remove chips and other waste material
from the surface of the power tool with a damp, soapy
cloth. To avoid a malfunction of the motor, protect it from
contact with oil or water.
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.
SELECTING ACCESSORIES
The accessories of this machine are listed on page 263.
CAUTION
Repair, modifi cation and inspection of Hitachi Power
Tools must be carried out by a Hitachi Authorized
Service Center.
Especially laser device should be maintained by the
authorized agent by laser manufacturer.
Always assign the repair of laser device to Hitachi
Authorized Service Center.
In the operation and maintenance of power tools, the
safety regulations and standards prescribed in each
country must be observed.
GUARANTEE
We guarantee Hitachi Power Tools in accordance with
statutory/country specifi c regulation. This guarantee does
not cover defects or damage due to misuse, abuse, or
normal wear and tear. In case of complaint, please send
the Power Tool, undismantled, with the GUARANTEE
CERTIFICATE found at the end of this Handling instruction,
to a Hitachi Authorized Service Center.
NOTE
Due to HITACHI’s continuing program of research and
development the specifi cations herein are subject to change
without prior notice.
0000Book_C12RSH2.indb 390000Book_C12RSH2.indb 39 2015/11/10 14:21:332015/11/10 14:21:33
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