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BEFORE USE
1.
Check the work area environment
Check the work area to make sure that it is clear of
debris and clutter.
Clear the area of unnecessary personnel. Ensure
that lighting and ventilation is adequate.
2.
Check if saw blade is tightened
While the saw blade is tightened securely for
immediate use when it is assembled at the factory,
be sure to check it out again for caution's sake. A
bolt can be tightened when it is turned clockwise.
Use the provided box wrench to check it out.
For further details, refer to the item of [MOUNTING
AND DISMOUNTING THE SAW BLADE] on Page
17.
3.
Check if wing nut is tightened
If the wing nut to adjust cutting depth (Fig. 6) is
loose, injury can result. Make sure that it is
tightened securely.
4.
Check performance of lower guard
WARNING:
Make absolutely sure that the lower guard is not
fixed. Also, check and see if it can move smoothly.
If the saw blade is kept exposed, injury can result.
The lower guard (refer to Fig. 1) serves to protect
your body from coming into contact with the saw
blade. Make absolutely certain that the cover
smoothly performs to cover the saw blade. If the
lower guard should not move smoothly, never use
it without repairing it.
In such a case, get in touch with the store where
you bought the circular saw or the HITACHI
AUTHORIZED SERVICE CENTER for necessary
repair.
5.
Check battery insertion
WARNING:
If the battery is inserted while the power switch
is in the ON position, the power tool will start
operating immediately, inviting serious accident.
CAUTION:
Until the battery locks in place with a little click, if
not, it may accidentally fall out of the tool causing
injury to you or someone around you.
6.
Check for proper operation of the brake
This circular saw features an electric brake that
functions when the switch is released. Before using
the circular saw, ensure that the electric brake
functions properly. If it does not, bring the tool to
a HITACHI AUTHORIZED SERVICE CENTER.
14
7.
Prepare a wooden work bench (Fig. 5)
Since the saw blade will extend beyond the lower
surface of the lumber, place the lumber on a work
bench when cutting. If a square block is utilized as
a work bench, select level ground to ensure it is
properly stabilized. An unstable work bench will
result in hazardous operation.
Lumber
Work bench
CAUTION:
To avoid possible accident, always ensure that the
portion of lumber remaining after cutting is
securely anchored or held in position.
ADJUSTING THE SAW PRIOR TO USE
1.
Adjusting the cutting depth (Fig. 6)
WARNING:
If the wing-nut is loose, injury can result. Tighten
it securely after adjustment.
To adjust cutting depth, loosen the Wing-nut and,
while holding the base with one hand, move the
main body up and down to obtain the prescribed
cutting depth.
After adjusting to the prescribed cutting depth,
tighten the Wing-nut securely.
Handle
Base
Saw blade
Fig. 5
Wing-nut
Base
Fig. 6
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