Hitachi C 5YC Handling Instructions Manual
Dustless Circular Saw
Model C 5YC
Handling Instructions
Note:
Before using this Electric Power Tool, carefully read through these
HANDLING INSTRUCTIONS to ensure efficient, safe operation. It is
recommended that these INSTRUCTIONS be kept readily available
as an important reference when using this power tool.
2
GENERAL OPERATIONAL PRECAUTIONS
WARNING! When using electric tools, basic safety
precautions should always be followed to reduce the
risk of fire, electric shock and personal injury, including
the following.
Read all these instructions before operating this product
and save these instructions.
For safe operations:
1. Keep work area clean. Cluttered areas and benches
invite injuries.
2. Consider work area environment. Do not expose
power tools to rain. Do not use power tools in
damp or wet locations. Keep work area well lit.
Do not use power tools where there is risk to cause
fire or explosion.
3. Guard against electric shock. Avoid body contact
with earthed or grounded surfaces. (e.g. pipes,
radiators, ranges, refrigerators).
4. Keep children and infirm persons away. Do not let
visitors touch the tool or extension cord. All visitors
should be kept away from work area.
5. Store idle tools. When not in use, tools should be
stored in a dry, high or locked up place, out of reach
of children and infirm persons.
6. Do not force the tool. It will do the job better and
safer at the rate for which it was intended.
7. Use the right tool. Do not force small tools or
attachments to do the job of a heavy duty tool. Do
not use tools for purposes not intended; for example,
do not use circular saw to cut tree limbs or logs.
8. Dress properly. Do not wear loose clothing or
jewelry, they can be caught in moving parts. Rubber
gloves and non-skid footwear are recommended
when working outdoors. Wear protecting hair
covering to contain long hair.
9. Use eye protection. Also use face or dust mask if
the cutting operation is dusty.
10. Connect dust extraction equipment.
If devices are provided for the connection of dust
extraction and collection facilities ensure these are
connected and properly used.
11. Do not abuse the cord. Never carry the tool by the
cord or yank it to disconnect it from the receptacle.
Keep the cord away from heat, oil and sharp edges.
12. Secure work. Use clamps or a vise to hold the work.
It is safer than using your hand and it frees both
hands to operate tool.
13. Do not overreach. Keep proper footing and balance
at all times.
14. Maintain tools with care. Keep cutting tools sharp
and clean for better and safer performance. Follow
instructions for lubrication and changing
accessories. Inspect tool cords periodically and if
damaged, have it repaired by authorized service
center. Inspect extension cords periodically and
replace, if damaged. Keep handles dry, clean, and
free from oil and grease.
15. Disconnect tools. When not in use, before servicing,
and when changing accessories such as blades,
bits and cutters.
16. Remove adjusting keys and wrenches. Form the
habit of checking to see that keys and adjusting
wrenches are removed from the tool before turning
it on.
17. Avoid unintentional starting. Do not carry a pluggedin tool with a finger on the switch. Ensure switch is
off when plugging in.
18. Use outdoor extension leads. When tool is used
outdoors, use only extension cords intended for
outdoor use.
19. Stay alert. Watch what you are doing. Use common
sense. Do not operate tool when you are tired.
20. Check damaged parts. Before further use of the
tool, a guard or other part that is damaged should
be carefully checked to determine that it will operate
properly and perform its intended function. Check
for alignment of moving parts, free running of
moving parts, breakage of parts, mounting and any
other conditions that may affect its operation. A
guard or other part that is damaged should be
properly repaired or replaced by an authorized
service center unless otherwise indicated in this
handling instructions. Have defective switches
replaced by an authorized service center. Do not
use the tool if the switch does not turn it on and off.
21. Warning
The use of any accessory or attachment, other than
those recommended in this handling instructions,
may present a risk of personal injury.
22. Have your tool repaired by a qualified person.
This electric tool is in accordance with the relevant
safety requirements. Repairs should only be carried
out by qualified persons using original spare parts.
Otherwise this may result in considerable danger
to the user.
PRECAUTIONS ON USING CIRCULAR SAW
1. Do not use saw blades which are deformed or
cracked.
2. Do not use saw blades made of high speed steel.
3. Do not use saw blades which do not comply with
the characteristics specified in these instructions.
4. Do not stop the saw blades by lateral pressure on
the side surface of disc.
5. Always keep the saw blade sharp.
6. Ensure that the lower guard moves smoothly and
freely.
7. Never use the circular saw with its lower guard
fixed in the open position.
8. Ensure that the retraction mechanism of the guard
system operates accurately.
9. Never operate the circular saw with grasping the
saw blade upside down or to the lateral direction.
10. Ensure that the material is free of foreign matters
such as nails.
11. For model C5YC, the saw blade’s diameters which
can be mounted are 125 mm or less.
12. Be careful of brake kickbac.
This circular saw incorporates an electric brake that
functions when the switch is released. As there is
some kickback when the brake functions, be sure to
hold the main body securely.
3
NAME OF PARTS
SPECIFICATIONS
Voltage (by areas)* (230 V, 240 V)
Cutting Depth 35 mm Max.
Power Input* 1010 W
Capacity 125 mm Max. Hole diam. 20 mm
Full Load Amp.* 4.7 A, 4.6 A
Dimensions (Length × Height × Width) 284 mm × 208 mm × 320 mm
No Load Speed 9600/min
Weight (without cord) 2.9 Kg
STANDARD ACCESSORIES
(1) Box wrench ............................................................... 1
(2) Guide .......................................................................... 1
(3) Dust bag .................................................................... 1
Standard accessories are subject to change without
notice.
OPTIONAL ACCESSORIES (sold separately)
䡬 Carbide Tipped Saw Blade (Dia. 125 mm) for the
gypsum board.
Optional accessories are subject to change without
notice.
Handle
Switch
Saw cover
Lever
Lower guard
Saw blade
Slide cover
Guide
Bevel piece
Inclined gauge
Wing bolt
Lock lever
Motor
Housing
Name plate
Gear cover
Brush holder
Brush cap
Clamp lever
Link
Wing bolt
Base
* Be sure to check the nameplate on product as it is subject to change by areas.
4
APPLICATION
(1) Cutting the hard boards types T9 and T7.
(ex. harditex, hardiflex, etc.)
(2) Cutting the gypsum board.
PRIOR TO OPERATION
1. Power source
Ensure that the power source to be utilized conforms
to the power requirements specified on the product
nameplate.
2. Power switch
Ensure that the power switch is in the OFF position.
If the plug is connected to a receptacle while the
power switch is in the ON position, the power tool
will start operating immediately, which could cause
a serious accident.
3. Extension cord
When the work area is removed from the power
source, use an extension cord of sufficient thickness
and rated capacity. The extension cord should be
kept as short as practicable.
4. Prepare a wooden workbench (Fig. 1)
Since the saw blade will extend beyond the lower
surface of the lumber, place the lumber on the
workbench prior to cutting. If a square block is
utilized as the workbench, adjust leveling to ensure
that it is properly stabilized. An unstable workbench
will result in hazardous operation.
CAUTION
● To avoid possible accident, remains always ensure
that the portion of workpiece after cutting is securely
anchored or held in position.
Fig. 1
ADJUSTING THE SAW PRIOR TO USE
1. Adjusting the cutting depth (Fig. 2)
CAUTION
If the clamp lever is loose, injury can result.
Tighten it securely after adjustment.
To adjust cutting depth, loosen the clamp lever 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 clamp lever securely.
Fig. 2
(2) When a base and saw blade are right-angled, it cuts
deeply using the scale of a link part, and the depth
can be adjusted (Fig. 3).
Fig. 3
3. Regulating the guide (Fig. 4)
The cutting position can be regulated by moving
the guide to the left or right after loosening its
wing-bolt. The guide may be mounted on either the
right or left side of the base.
Fig. 4
Loosen
Tighten
Link
Clamp lever
Base
Workpiece
Base
Workbench
Saw blade
Link
Scale link
Wing bolt
Base Guide
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