Hitachi C 12FSA Instruction Manual And Safety Instructions

C 12FSA

INSTRUCTION MANUAL AND SAFETY INSTRUCTIONS

WARNING

Improper and unsafe use of this power tool can result in death or serious bodily injury!

This manual contains important information about product safety. Please read and

understand this manual before operating the power tool. Please keep this manual

available for others before they use the power tool.

MODE D’EMPLOI ET INSTRUCTIONS DE SECURITE

AVERTISSEMENT

Une utilisation incorrecte et dangereuse de cet outil motorisé peut entraîner la mort

ou de sérieuses blessures corporelles!

Ce mode d’emploi contient d’importantes informations à propos de la sécurité de

ce produit. Prière de lire et d’assimiler ce mode d’emploi avant d’utiliser l’outil

motorisé. Garder ce mode d’emploi à la disponibilité des autres utilisateurs avant

qu’ils utilisent l’outil motorisé.

MANUAL DE INSTRUCCIONES E INSTRUCCIONES DE SEGURIDAD

ADVERTENCIA

¡La utilización inapropiada e insegura de esta herramienta eléctrica puede resultar

en lesiones serias o en la muerte!

Este manual contiene información importante sobre la seguridad del producto. Lea y

comprenda este manual antes de utilizar la herramienta eléctrica. Guarde este manual

para que puedan leerlo otras personas antes de que utilicen la herramienta eléctrica.

DOUBLE INSULATION

DOUBLE ISOLATION

AISLAMIENTO DOBLE

MODEL SLIDE COMPOUND SAW

MODÈLE SCIE A COUPE D’ONGLET RADIALE

MODELO TRONZADORA RADIAL ABATIBLE

English

Page

IMPORTANT INFORMATION .....................................3

MEANINGS OF SIGNAL WORDS ...............................3

SAFETY

IMPORTANT SAFETY INSTRUCTIONS

FOR USING ALL POWER TOOLS ............................3

REPLACEMENT PARTS ...............................................6

USE PROPER EXTENSION CORD ...............................6

DOUBLE INSULATION FOR

SAFER OPERATION..................................................7

OPERATION AND MAINTENANCE

NAME OF PARTS..........................................................8

SPECIFICATIONS .........................................................9

ACCESSORIES ............................................................10

STANDARD ACCESSORIES ..................................10

Page

OPTIONAL ACCESSORIES ....................................10

APPLICATIONS...........................................................10

PREPARATION BEFORE OPERATION .....................11

BEFORE USING ...........................................................12

BEFORE CUTTING ......................................................13

PRACTICAL APPLICATIONS.................................... 15

SAW BLADE MOUNTING

AND DISMOUNTING .............................................22

OVERLOAD PROTECTIVE DEVICE

FOR POLY-V-BELT ..................................................23

MAINTENANCE AND INSPECTION ........................24

SERVICE AND REPAIRS ............................................26

PARTS LIST .................................................................76

CONTENTS

Français

Page

INFORMATIONS IMPORTANTES ............................27

SIGNIFICATION DES MOTS D’AVERTISSEMENT

.....27

SECURITE

CONSIGNES DE SECURITE RELATIVES AUX

OUTILS ÉLECTRIQUES .......................................... 27

PIECES DE RECHANGE..............................................31

UTILISER LE CORDON DE RALLONGE

APPROPRIÉ ............................................................ 31

DOUBLE ISOLATION POUR UN

FONCTIONNEMENT PLUS SUR ...........................31

UTILISATION ET ENTRETIEN

NOM DES PIÈCES ......................................................32

SPÉCIFICATIONS ...................................................... 33

Page

ACCESSOIRES ............................................................34

ACCESSOIRES STANDARD ..................................34

ACCESSOIRES EN OPTION...................................34

APPLICATIONS...........................................................34

PRÉPARATION AVANT L’UTILISATION .................35

AVANT L’UTILISATION .............................................36

AVANT LA COUPE ......................................................37

APPLICATIONS PRATIQUES ....................................39

INSTALLATION ET RETRAIT DE LA LAME ............ 47

DISPOSITIF DE PROTECTION ANTI-SURCHARGE

DE LA POLY-COURROIE EN V .............................. 48

ENTRETIEN ET INSPECTION ....................................48

SERVICE APRÈS-VENTE ET RÉPARATIONS ..........50

TABLE DES MATIERES

Página

ACCESORIOS ..............................................................58

ACCESORIOS ESTÁNDAR.........................................58

ACCESORIOS OPCIONALES .................................... 58

APLICACIONES...........................................................58

PREPARATIVOS PREVIOS A LA OPERACIÓN........59

ANTES DE LA UTILIZACIÓN .................................... 60

ANTES DEL CORTE.....................................................61

APLICACIONES PRÁCTICAS ....................................64

MONTAJE Y DESMONTAJE DE LA HOJA DE

SIERRA .....................................................................71

DISPOSITIVO PROTECTOR CONTRA SOBRECARGA

PARA LA CORREA EN V DE POLIVINILO ................

72

MANTENIMIENTO E INSPECCIÓN ........................ 73

SERVICIO Y REPARACIONES ...................................75

ÍNDICE

Español

Página

INFORMACIÓN IMPORTANTE .................................51

SIGNIFICADO DE LAS PALABRAS CLAVE ............ 51

SEGURIDAD

NORMAS DE SEGURIDAD PARA LAS

HERRAMIENTAS ELÉCTRICAS

...................................

51

PIEZAS DE REEMPLAZO .......................................... 55

UTILICE EL CABLE PROLONGADOR

ADECUADO ............................................................ 55

AISLAMIENTO DOBLE PARA OFRECER UNA

OPERACIÓN MÁS SEGURA ..................................55

OPERACIÓN Y MANTENIMIENTO

NOMENCLATURA DE PARTES.................................56

ESPECIFICACIONES...................................................57

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English

IMPORTANT INFORMATION

Read and understand all of the operating instructions, safety precautions and warnings in the Manual before

operating or maintaining this power tool.

Most accidents that result from tool operation and maintenance are caused by the failure to observe basic

safety rules or precautions. An accident can often be avoided by recognizing a potentially hazardous situation

before it occurs and by observing appropriate safety procedures.

Basic safety precautions are outlined in the SAFETY section of this manual and in the sections which contain

the operation and maintenance instructions.

Hazards that must be avoided to prevent bodily injury or machine damage are identified by WARNINGS on

the tool and in this Manual.

Never use this tool in a manner that has not been specifically recommended by HITACHI, unless you first

confirm that the planned use will be safe for you and others.

MEANINGS OF SIGNAL WORDS

WARNING: indicates a potentially hazardous situation which, if ignored, could result in serious per-

sonal injury.

CAUTION: indicates a hazardous situation which, if ignored, could result in a moderate personal

injury, or could cause machine damage.

NOTE emphasizes essential information.

SAFETY

IMPORTANT SAFETY INSTRUCTIONS FOR USING ALL POWER TOOLS

READ ALL OF THE WARNINGS AND OPERATING INSTRUCTIONS IN THIS MANUAL BE-

FORE OPERATING OR MAINTAINING THIS TOOL:

WARNING: When using this electric tool, take all necessary precautions to minimize the risk of elec-

tric shock or other personal injury.

In particular, always comply with the following safety rules:

1. ALWAYS KEEP GUARDS IN PLACE and in working order.

2. ALWAYS REMOVE ADJUSTING KEYS AND WRENCHES BEFORE STARTING TOOL.

Always confirm that all keys and adjusting wrenches have been removed from the tool before it is turned on.

3. ALWAYS KEEP WORK AREA CLEAN.

Avoid injuries by not cluttering the work areas and work

benches.

4. NEVER USE TOOL IN HAZARDOUS ENVIRONMENTS. Never use the power tool in damp or

wet places and never expose it to rain. Always keep the work area well lighted.

5. NEVER PERMIT CHILDREN OR OTHERS TO LOITER NEAR THE WORK AREA. Keep all

people (especially children) away from the work area. Always unplug unattended tools and keep the

work place tamper-proof by installing locks on the doors and on the master switches. Always remove

the lock-off button from the tool and store it in a secure place, when the tool is not in use.

6. NEVER FORCE THE TOOL. It will do the job better and more safely if it is operated at the rate for

which it was designed.

7. ALWAYS USE THE RIGHT TOOLS. Never force a tool or an attachment to do a job for which it

was not designed.

8. ALWAYS WEAR PROPER APPAREL WHEN WORKING WITH THE TOOL.

Never wear loose

clothing, gloves, neckties, rings, bracelets or other jewelry which may get caught in the moving parts. Al-

ways wear non-slip footwear, preferably with steel toes. Wear protective hair covering to contain long hair.

9. ALWAYS USE EYE PROTECTION WHEN WORKING WITH THE TOOL TO PREVENT

EYE INJURY. Ordinary eyeglasses do not provide adequate protection because the lenses are not

made of safety glass. Also, use a face mask for additional safety and wear a dust mask if the cutting

operation produces dust.

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10. ALWAYS SECURE THE WORKPIECE TO THE FENCE OR THE TABLE.

Use clamps or a vise

to hold the workpiece in place. It is safer than using your hand and it frees both hands to operate the tool.

11. NEVER OVERREACH. Always keep proper footing and balance when working with the tool.

12. ALWAYS MAINTAIN TOOLS WITH CARE. Always keep tools sharp and clean for the best and

safest performance. Always follow instructions for lubricating the tool and for changing accessories.

13. ALWAYS DISCONNECT THE TOOL

before servicing and before changing blades or other accessories.

14. NEVER RISK UNINTENTIONAL STARTING WHEN PLUGGING IN THE TOOL. Always

confirm that the switch is in the OFF position before inserting the power plug into the receptacle.

15. ALWAYS USE RECOMMENDED ACCESSORIES ONLY WHEN OPERATING THIS TOOL.

Consult this instruction manual for descriptions of recommended accessories. To avoid personal injuries,

use only recommended accessories in conjunction with this tool.

16. NEVER STAND ON THE TOOL. Prevent serious injury by not tipping the tool and by not risking

unintentional contact with the saw blade.

17. ALWAYS CHECK FOR DAMAGED PARTS BEFORE USING THE TOOL. Always check the

guard and all other components for damage before using the tool to assure that they will function

properly. Check all moving parts for proper alignment, freedom from binding and other conditions that

might affect proper operation. Always repair or replace any damaged guards or other damaged

components before using the tool.

18. ALWAYS CONFIRM THE ROTATION DIRECTION OF THE BLADE BEFORE USING THE

TOOL. Always feed work into the tool against the rotation direction of the blade in order to prevent

possible injury.

19. NEVER LEAVE THE TOOL RUNNING WHILE UNATTENDED. TURN POWER OFF. Do not

leave tool until it comes to a complete stop. Always turn the power off when the tool is not in use.

Always unplug the power cord when the tool is not in use.

20. This tool was not designed to be used for mass-production applications and should not be used in

mass-production environments.

21. When servicing this tool, use only authorized replacement parts.

22. Apply 120 volts AC only to this tool. Applying the wrong voltage or applying DC power can cause the

POWER TOOL to operate improperly and cause serious personal injury or damage to the tool.

23. Never raise the saw blade from the workpiece until it has first come to a complete stop.

24. Always use outboard stands to provide support for long workpieces that overhang the table of the slide

compound saw.

25. Always return the carriage to the full rear position after each crosscut operation in order to reduce the

risk of injury.

26. POLARIZED PLUGS To reduce the risk of electric shock, this equipment has a polarized plug (one

blade is wider than the other). This plug will fit in a polarized outlet only one way. If the plug does not fit

fully in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician to install the

proper outlet. Do not change the plug in any way.

Specific Safety Rules for Use of this Power Tool

WARNING: The following specific operating instructions must be observed when using this POWER

TOOL in order to avoid injury:

DO’s

ALWAYS OBSERVE THE FOLLOWING RULES TO ASSURE SAFE USE OF THIS TOOL:

1. Review this Manual and familiarize yourself with the safety rules and operating instructions for this

POWER TOOL before attempting to use it.

2. Always confirm that the POWER TOOL is clean before using it.

3. Always wear snug-fitting clothing, non-skid footwear (preferably with steel toes) and eye protection

when operating the POWER TOOL.

4. Always handle the POWER TOOL carefully. If the POWER TOOL falls or strikes against a hard object, it

might become deformed or cracked or sustain other damage.

5. Always cease operating the saw at once, if you notice any abnormality whatsoever.

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6. Always confirm that all components are mounted properly and securely before using the tool.

7. When replacing the saw blade, always confirm that the rpm rating of the new blade is correct for use

on this tool.

8. Always shut off the power and wait for the saw blade to completely stop rotating before doing any

maintenance or adjustments.

9. During slide cutting, always push the saw blade away from the operator.

10. Always clamp or otherwise secure the workpiece to the fence; otherwise the workpiece might be thrust

form the table and cause bodily harm.

11. During miter or bevel cutting, always wait for the rotation of the blade to stop completely before lifting

the saw blade.

12. Always make a trial run first before attempting any new use of the saw.

13. Always handle the saw blade with care when dismounting and mounting it.

14. Always confirm that the workpiece is free of nails or other foreign objects before beginning a cut.

15. Always keep your hands out of the path of the saw blade.

16. Always confirm that the safety cover is in the proper place before using the saw.

17. Always confirm that the safety cover does not obstruct the sliding motion of the saw before attempting

slide cutting.

18. Inspect the tool power cords periodically.

19. Always confirm that the proper lengths and types of extension cords are being utilized, if necessary,

before starting the tool.

20. Always confirm that the motor air vents are fully open before using the tool.

21. Always wait until the motor has reached full speed before starting a cut.

22. Always keep the handles dry, clean and free of oil and grease. Hold the tool firmly when in use.

23. Always use outboard stands to provide support for long workpieces that overhang the table of the

slide compound saw.

24. Always operate the tool after ensuring the workpiece is fixed properly with a vise assembly.

25. The operating instructions provided with the tool shall direct the user to secure the tool to supporting

structure if, during normal operation, there is a tendency for the tool to tip over, slide, or walk on the

supporting surface.

DON’Ts

NEVER VIOLATE THE FOLLOWING RULES TO ASSURE SAFE USE OF THIS TOOL:

1. Never operate the POWER TOOL unless you fully understand the operating instructions contained in

this Manual.

2. Never leave the POWER TOOL unattended without first unplugging the power cord.

3. Never operate the POWER TOOL when you are tired, after you have taken any medications, or have

consumed any alcoholic beverages.

4. Never use the POWER TOOL for applications not specified in the instruction manual.

5. Never operate the tool while wearing loose clothing, a necktie or jewelry, or while your hair is uncovered,

to protect against getting caught in the moving machinery.

6. Never reach around the saw blade.

7. Never touch any moving parts, including the blade, while the saw is in use.

8. Never remove any safety devices or blade guards; use of the tool without them would be hazardous.

9. Never lock the safety cover; always confirm that it slides smoothly before using the tool.

10. Never damage the power cord of the tool.

11. Never attempt to move a plugged-in POWER TOOL while your finger is on the starting switch.

12. Never use the POWER TOOL if the starting switch does not turn on and off properly.

13. Never use the POWER TOOL if the plastic housing or the handle is cracked or deformed.

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14. Never use the POWER TOOL near flammable liquids or gases because sparking can cause an explo-

sion.

15. Never clean plastic components with solvents because the plastic may dissolve.

16. Never operate the saw unless all the blade guards are in place.

17. Never raise the saw blade from the workpiece until it has first come to a complete stop.

18. When slide cutting, never pull the handle toward the operator, since this could cause the saw blade to

kick up from the workpiece. Always push the handle away from the operator in a single, smooth motion.

19. Never place your limbs inside of the line next to warning sign “ ” while the tool is being operated.

This may cause hazardous conditions.

20. Never use abrasive type blades on this saw.

21. Never expose to rain or use in damp locations.

22. Never cut ferrous metals or masonry.

WARNING

FOR YOUR OWN SAFETY READ THIS INSTRUCTION MANUAL BEFORE OPERATING THE

SLIDE COMPOUND SAW

1. Always wear eye protection when using the slide compound saw.

2. Always keep hands out of the path of the saw blade.

3. Never operate the saw without the guards in place.

4. Never perform any freehand operation with the slide compound saw.

5. Never reach around the saw blade.

6. Always turn off tool and wait for saw blade to stop before moving workpiece or changing settings.

7. Always disconnect power before changing blade or servicing.

8. Saw blade diameter is 12" (305mm).

9. No load speed is 3200/min.

10. To reduce the risk of injury, return carriage to the full rear position after each crosscut operation.

REPLACEMENT PARTS

When servicing use only identical replacement parts.

Repairs should be conducted only by a Hitachi authorized service center.

USE PROPER EXTENSION CORD

Make sure your extension cord is in good condition. When using an extension cord, be sure to use one

heavy enough to carry the current your product will draw. An undersized cord will cause a drop in line

voltage resulting in loss of power and overheating. Table shows the correct size to use depending on cord

length and nameplate ampere rating. If in doubt, use the next heavier gage. The smaller the gage number,

the heavier the cord.

MINIMUM GAGE FOR CORD SETS

Total Length of Cord in Feet (Meter)

0 – 25 26 – 50 51 – 100 101 – 150

(0 – 7.6) (7.9 – 15.2) (15.5 – 30.5) (30.8 – 45.7)

Ampere Rating AWG

More Not More

Than Than

0 – 6 18 16 16 14

6 – 10 18 16 14 12

10 – 12 16 16 14 12

12 – 16 14 12 Not Recommended

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WARNING: Avoid electrical shock hazard. Never use this tool with a damaged or frayed electrical cord

or extension cord.

Inspect all electrical cords regularly. Never use in or near water or in any environment

where electric shock is possible.

DOUBLE INSULATION FOR SAFER OPERATION

To ensure safer operation of this power tool, HITACHI has adopted a double insulation design. “Double

insulation” means that two physically separated insulation systems have been used to insulate the electrically

conductive materials connected to the power supply from the outer frame handled by the operator. Therefore,

either the symbol “ ” or the words and “Double insulation” appear on the power tool or on the nameplate.

Although this system has no external grounding, you must still follow the normal electrical safety precautions

given in this Instruction Manual, including not using the power tool in wet environments.

To keep the double insulation system effective, follow these precautions:

* Only HITACHI AUTHORIZED SERVICE CENTER should disassemble or assemble this power tool, and only

genuine HITACHI replacement parts should be installed.

* Clean the exterior of the power tool only with a soft cloth moistened with soapy water and dry thoroughly.

* Never use solvents, gasoline or thinners on plastic components; otherwise the plastic may dissolve.

SAVE THESE INSTRUCTIONS

AND

MAKE THEM AVAILABLE TO

OTHER USERS OF THIS TOOL!

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OPERATION AND MAINTENANCE

NOTE: The information contained in this Instruction Manual is designed to assist you in the safe opera-

tion and maintenance of the power tool. Some illustrations in this Instruction Manual may show

details or attachments that differ from those on your own power tool.

NAME OF PARTS

Fig. 1

Fig. 2

Dust Bag

Side Cover (L)

Carrying Handle

Trigger Switch

8 mm Depth

Adjustment Bolt

Slide Pipe (B)

Locking Pin

Slide Securing Knob

Slide Pipe (A)

Fixing Pin

Holder (B)Indicator

(For bevel scale)

6mm Knob Bolt

(Optional Accessory)

Nameplate

5mm Screw

Side Cover (R)

Spindle Lock

Pulley Cover

Handle

Spindle Cover

Washer (B)

Safety Cover

Fence (A)

Stopper

(Optional Accessory)

Table Insert

Turntable

Side Handle

Hinge

Holder (A)

Saw Blade

8mm Knob Bolt

Vise Assembly

Fence (B)

Holder

(Optional Accessory)

➞

Motor Head

Base

Indicator

(For milter scale)

Guard

7/16" (11mm) Installtaion Hole

17-21/64" (440m

m

)

1-3/8"

(35mm)

Rotation

Direction

Moter

Clamp Lever

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SPECIFICATIONS

Item Model C 12FSA

Motor Type Series commutator motor

Power source Single-phase AC 60Hz

Voltage (Volts) 120

Full-load current (Amp) 12

Applicable Outside Dia. 12" (305mm)

saw blade Hole Dia. 1" (25.4mm)

No load speed 3200/min

Max.

Head Turntable Max. sawing dimension

sawing

Miter 0 0

Max. Height 4-7/32" (107mm)

dimension

Max. Width 12" (305mm)

or

* Max. Height 4-23/32" (120mm)

Max. Width 10-7/32" (260mm)

With aux. board 25/32" (20mm)

0 Left 45° Max. Height 4-7/32" (107mm)

or Max. Width 8-21/32" (220mm)

Right

45° or

* Max. Height 4-23/32" (120mm)

Max. Width 7-3/32" (180mm)

With aux. board 1" (25.4mm)

0 Left 57° Max. Height 4-7/32" (107mm)

or Max. Width 7-3/32" (180mm)

Right 57

° or

* Max. Height 4-23/32" (120mm)

Max. Width 5-1/2" (140mm)

With aux. board 1" (25.4mm)

Bevel Left 45° 0 Max. Height 2-3/4" ( 70mm)

Max. Width 12" (305mm)

or

* Max. Height 2-15/16" ( 75mm)

Max. Width 10-7/32" (260mm)

With aux. board 25/32" ( 20mm)

Rigth 45° 0 Max. Height 1-9/16" ( 40mm)

Max. Width 12" (305mm)

or

* Max. Height 1-3/4" ( 45mm)

Max. Width 10-7/32" (260mm)

With aux. board 25/32" ( 20mm)

Compound Left 45° Left 45° Max. Height 2-3/4" ( 70mm)

or Right 45° Max. Width 8-21/32" (220mm)

or

* Max. Height 2-15/16" ( 75mm)

Max. Width 7-3/32" (180mm)

With aux. board 1" (25.4mm)

Right 45° Left 31° Max. Height 1-9/16" ( 40mm)

Max. Width 10-7/16" (265mm)

or

* Max. Height 1-3/4" ( 45mm)

Max. Width 8-21/32" (220mm)

With aux. board 25/32" ( 20mm)

Right 45° Right 45° Max. Height 1-9/16" ( 40mm)

Max. Width 8-21/32" (220mm)

or

* Max. Height 1-3/4" ( 45mm)

Max. Width 7-3/32" (180mm)

With aux. board 1" (25.4mm)

Miter sawing range Left 0° – 57° Right 0° – 57°

Bevel sawing range Left 0° – 45° Right 0° – 45°

Compound sawing range Left (Bevel) 0° – 45°, Left and Right (Miter) 0° – 45°

Right (Bevel) 0° – 45°, Left (Miter) 0° – 31°, Right (Miter) 0° – 45°

Net weight 55lbs. (25kg)

Cord 2 Conductor type cable 6ft. (1.84m)

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For how to use, refer to

page 16.

w Dust bag (1 piece)

When cutting the workpiece which has the dimension of “*” there might be some possibility of the lower end of the circular saw to

touch with the workpiece, even if the motor head is located at the lower limit position. Pay attention when cutting the workpiece. For

further details, refer to “PRACTICAL APPLICATIONS” on page 15. Mount the auxilliary board on the fence surface (Refer ( ) the

thickness of auxiliary board). Refer to "6. Cutting large workpieces" on page 18 (Fig. 22)).

ACCESSORIES

WARNING: Accessories for this power tool are mentioned in this Instruction Manual.

The use of any other attachment or accessory can be dangerous and could cause injury or

mechanical damage.

STANDARD ACCESSORIES

Fig. 3

OPTIONAL ACCESSORIES...sold separately

q Extension Holder and Stopper (Fig. 1) (Code No. 320277)

w Vise (A) Assembly (Horizontal Type Code No. 305174)

NOTE: Accessories are subject to change without any obligation on the part of the HITACHI.

APPLICATIONS

Wood and aluminum sash.

q 12" (305mm) TCT Saw

blade (1 piece)

(No. of teeth 60

Code No. 726100I)

For how to use, refer to

page 22.

r Holder (B) (1 piece)

e Vise Assembly w/knob bolt

(1 piece)

For how to use, refer to page

11.

t 10mm × 13 mm Wrench

(1 piece)

y 17 mm Box wrench

(1 piece)

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PREPARATION BEFORE OPERATION

Make the following preparations before operating the power tool:

1. Installation

Fig. 4

Attach the power tool to a level, horizontal work bench in accordance with Fig. 4.

Select 13/32" (10mm) diameter bolts suitable in length for the thickness of the work bench.

Bolt length should be at least 1" (25mm) plus the thickness of the work bench.

For example, use 2-23/64" (60mm) or larger bolts for a 1" (25mm) thick work bench.

The holder (B) attached to the rear of the base helps stabilize the power tool.

Holder (B) adjustment:

Loosen the 6mm bolt with the supplied 10mm × 13mm wrench.

Adjust the holder (B) until its bottom surface contacts the work

bench surface.

After adjustment, firmly tighten the 6mm bolt.

Fig. 5

2. Releasing the locking pin

When the power tool is prepared for shipping, its main parts are

secured by a locking pin.

Move the handle (see Fig. 1) slightly so that the locking pin can be

disengaged.

NOTE: Lowering the handle (see Fig. 1) slightly will enable you

to disengage the locking pin more easily and safely.

The lock position of the locking pin is for carrying and

storage only.

Fig. 6

3. Installing the dust bag, holder, stopper and vises

(The holder and stopper are optional accessories.)

Attach the dust bag, holder, stopper and vise assembly as indicated in Fig. 1.

7/16" (11mm)

2 Holes

17-21/64" (440mm)

1" (25mm) thick bench

Work Bench

13/32" (10mm) Nut

13/32" (10mm) BoltBase

6mm Bolt

Move

Adjust the holder

(B) until its bottom

surface contacts the

work bench surface.

Holder (B)

Locking Pin

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BEFORE USING

1. Make sure the power source is appropriate for the tool.

WARNING: Never connect the power tool unless the available AC power source is of the same

voltage as that specified on the nameplate of the tool.

Never connect this power tool to a DC power source.

2. Make sure the trigger switch is turned OFF.

WARNING: If the power cord is connected to the power source with the trigger switch turned

ON the power tool will start suddenly and can cause a serious accident.

3. Check the saw blade for visible defects.

Confirm that the saw blade is free of cracks or other visible damage.

4. Confirm that the saw blade is attached securely to the power tool.

Using the supplied 17mm box wrench, tighten the bolt on the saw blade spindle to secure the saw blade.

For details, see Fig. 41-a, Fig. 41-b and Fig. 41-c in the section on “SAW BLADE MOUNTING AND

DISMOUNTING”.

5. Check the safety cover for proper operation.

Safety cover is designed to protect the operator from coming into

contact with the saw blade during operation of the tool.

Always check that the safety cover moves smoothly and covers

the saw blade properly.

Fig. 7

WARNING: NEVER OPERATE THE POWER TOOL if the safety cover does not function smoothly.

6. Confirm the position of the spindle lock before using the tool.

After installing the saw blade, confirm that the spindle lock has been returned to the retract position

before using the power tool (see Fig. 2).

7. Check the lower limit position of the Saw Blade.

Although it was adjusted before shipment, carefully check the height of the saw blade. Confirm that the

saw blade can be lowered 11/32" to 13/32" (9mm to 10mm) below the table insert. For details, see the

section on “Checking the saw blade lower limit position”.

8. Check the Power Receptacle.

To prevent overheating, accidental stopping or intermittent operation, confirm that the power cord

plug fits properly in the electrical receptacle and does not fall out after it is inserted. Repair or replace

the receptacle if it is faulty.

9. Confirm the tool’s power cord is not damaged.

Repair or replace the power cord if an inspection indicates that it is damaged.

AFTER CONNECTING THE POWER PLUG TO AN APPROPRIATE AC POWER SOURCE,

CHECK THE OPERATION OF THE TOOL AS FOLLOWS:

10. Trial Run

After confirming that no one is standing behind, the power tool start and confirm that no operating

abnormalities exist before attempting a cutting operation.

11. Inspect the rotating stability of the saw blade.

For precise cutting, rotate the saw blade and check for deflection to confirm that the blade is not noticeably

unstable; otherwise vibrations might occur and cause an accident.

Safety Cover

13

English

BEFORE CUTTING

1. Cutting a groove on the guard

Holder (A) has a guard (see Fig. 8) into which a groove must be cut.

Loosen the 8mm knob bolt to retract the guard slightly. After placing

a suitable wooden piece to sit on the fence and the table surfaces,

fix it with the vise assembly.

After the switch has been turned on and the saw blade has reached

maximum speed, slowly lower the handle to cut a groove on the

guard.

CAUTION: Do not cut the groove too quickly; otherwise the

guard might become damaged.

Fig. 8

2. Positioning the table insert

[Right angle cutting] [Left bevel angle cutting] [Right bevel angle cutting]

Fig. 9-a Fig. 9-b Fig. 9-c

Table inserts are installed on the turntable. When shipping the tool from the factory, the table inserts

are so fixed that the saw blade does not contact them. The burr of the bottom surface of the workpiece

is remarkably reduced, if the table insert is fixed so that the gap between the side surface of the table

insert and the saw blade will be minimum. Before using the tool, eliminate this gap in accordance with

the following procedure.

(1) Right angle cutting

Loosen the three 6mm machine screws, then secure the left side table insert and temporarily tighten

the 6mm machine screws of both ends. Then fix a workpiece (about 7-7/8" (200mm) wide) with the

vise assembly and cut it off. After aligning the cutting surface with the edge of the table insert,

securely tighten the 6mm machine screws of both ends. Remove the workpiece and securely tighten

the 6mm center machine screw. Adjust the right hand table insert in the same way.

(2) Left and right bevel angle cutting

Adjust the table insert in the manner shown in Fig. 9-b and Fig. 9-c following the same procedure for

right angle cutting.

CAUTION: After adjusting the table insert for right angle cutting, the table insert will be cut to

some extent if it is used for bevel angle cutting.

When bevel cutting operation is required, adjust the table insert for bevel angle cut-

ting.

Fence (B)

8mm Knob Bolt

Workpiece Holder (A)

Vise Assembly

Guard

Fence (A)

Table insert

Workpiece Workpiece

Table insert

Saw Blade

Workpiece

Table insert

Saw BladeSaw Blade

6mm

Machine

Screw

6mm

Machine

Screw

6mm

Machine

Screw

14

English

3. Checking the saw blade lower limit position

Check that the saw blade can be lowered 11/32" to 13/32" (9mm to 10mm) below the table insert as

shown in Fig. 10-a.

If necessary, adjust as follows:

(1) Loosen the 8mm wing nut and the two 8mm nuts on the 8mm depth adjustment bolt.

(2) Turn the 8mm depth adjustment bolt as necessary to set the lower limit position.

(3) Once the adjustment is complete, fully tighten the two 8mm nuts and the 8mm wing nut.

NOTE: Before tightening the two 8mm nuts and the 8mm wing nut, confirm that the saw blade is

adjusted so that it will not cut into the turntable.

Fig. 10-a Fig. 10-b

4. Oblique angle

Before the power tool is shipped from the factory, it is adjusted for 0°, right angle, left 45° bevel cutting

angle and right 45° bevel cutting angle with the 8mm bolt (A), 8mm bolt (C) and the 8mm bolt (B).

When changing the adjustment, change the height of the 8mm bolt (A), 8mm bolt (C) or the 8mm bolt

(B) by turning them.

When changing the bevel angle to the right 45°, pull the fixing pin on the direction shown in Fig. 11 and

incline the motor head to the right.

When adjusting the motor head to 0°, always return the fixing pin to its initial position.

Fig. 11-a Fig. 11-b

5. Securing the workpiece

WARNING: Always clamp or vise to secure the workpiece to the fence; otherwise the workpiece

might be thrust from the table and cause bodily harm.

6. Installing the holders ... (Optional accessory)

The holders help keep longer workpieces stable and in place dur-

ing the cutting operation.

(1) As indicated in Fig. 12, use a steel square for aligning the upper

edge of the holders with the base surface.

(2) After aligning, secure the holders with the 6mm knob bolts (Op-

tional accessory).

Fig. 12

6mm

Knob Bolt

Holder

Steel

Square

8mm Wing Nut

8mm Depth

Adjustment Bolt

Turntable

Table Insert

8mm Nut

(2 pieces)

8mm Nut

(2 pieces)

Gear Case

8mm Depth

Adjustment

Bolt

Hinge

8mm Bolt (C)

(Stopper for left 45°

bevel angle)

Indicator

(For bevel scale)

Fixing Pin

8mm Bolt (B) (Stopper for right 45° bevel angle)

8mm Bolt (A) (Stopper for 0°)

Base

15

English

Workpiece Stopper

6mm Knob Bolt

Holder

Workpiece

Guard

Marking

(pre-marekd)

8mm Knob Bolt

Safety

Cover

Warning Sign

Line

Warning Sign

Line

Guard Saw Blade Groove

Marking

(pre-marked)

8mm

Knob Bolt

Move the

Guard

Backward

Fence (B)

Move

7. Stopper for precision cutting ... (Stopper is optional accessory)

The stopper facilitates continuous precision cutting in lengths of

11-13/32" to 18-1/2" (290mm to 470mm).

To install the stopper, attach it to the holder with the 6mm knob

bolt as shown in Fig. 13.

Fig. 13

8. Using an ink line

(1) Right angle cutting

Loosen the 8mm knob bolt and contact the tip of the guard

with the workpiece.

Aligning the ink line on the workpiece with the groove of the

guard, the workpiece is cut on the ink line (Fig. 14).

Fig. 14

(2) Miter cutting and compound cutting

(Miter cutting + bevel cutting)

Upon lowering the motor section, the safety cover is raised and

the saw blade appears.

Align the ink line with the saw blade (Fig. 15).

CAUTION: In some arrangements when the turntable is

rotated, the guard projects from the fence sur-

face. Loosen the 8mm knob bolt and push the

guard to the retracted position. Never lift the

safety cover while the saw blade is rotating.

Fig. 15

PRACTICAL APPLICATIONS

WARNING: * To avoid personal injury, never remove or place a workpiece on the table while the tool

is being operated.

* Never place your limbs inside of the line next to warning sign while the tool is being

operated. This may cause hazardous conditions (see Fig. 16).

Fig. 16

16

English

Screw Holder

Knob

Workpiece

Vise

Plate

1. Switch operation

The trigger switch lock-off button is designed to prevent inadvert-

ent operation of the power tool. To operate the power tool, it is nec-

essary to first fully insert the lock-off button into the hole on the

handle as shown in Fig. 17.

The trigger switch will not operate unless the lock-off button has

been pushed in.

When the trigger switch is released, the power goes off and the

lock-off button automatically returns to its initial position, locking

the trigger switch.

Fig. 17

WARNING: Always remove the lock-off button from the handle when the power tool is not in

use. This will ensure that the power tool cannot be turned on accidentally or by

someone (especially a child) who is not qualified to use the power tool. If the lock-off

button is left in the handle, serious personal injury can result. Since the lock-off button

fits rather tightly, it may be necessary to turn it to the left and right during mounting

and removing.

2. Using the Vise Assembly (Standard accessory)

The vise assembly can be mounted on either the left fence (Fence

(B)) or the right fence (Fence (A)), and can be raised or lowered

according to the height of the workpiece.

To raise or lower the vise assembly, first loosen the 8mm knob

bolt. As shown in Fig. 18, the vise shaft has three locking grooves

into which the tip of the 8mm knob bolt is designed to fit in order

to lock the screw holder in the desired position.

To ensure that the tip of the 8mm knob bolt is properly aligned

with the desired locking groove on the vise shaft, simply align the

upper surface of the fence to either of two grooves on the vise

shaft surface or to the lower surface of the screw holder.

Therefore, the vise assembly can be attached in either of three

positions to ensure proper height adjustment.

After adjusting the height, firmly tighten the 8mm knob bolt; then

turn the upper knob, as necessary, to securely attach the workpiece

in position.

Fig. 18

CAUTION: Always confirm that the motor head (see Fig. 1) does not contact the vise assembly

when it is lowered for cutting. If there is any danger that it may do so, loosen the

8mm knob bolt slightly and move the vise assembly to a position where it will not

contact the saw blade.

In case of compound cutting of left bevel angle and left miter angle, a workpiece of

up to 45mm can be fixed with a vise assembly mounted on the left side. In case the

workpiece height exceeds 45mm, mount the ivse assembly on the opposite side of

the inclination of the motor head. For other compound cutting (left bvel + right miter,

right bevel + left miter and right bevel + right miter), mount the vise asembly on the

opposite side of the inclination of the motor head to avoid the contact of the vise

assembly with the motor head.

Vise Shaft

6mm

Knob Bolt

V Shape

Groove

Fence

Handle

Trigger

Switch

Lock-off Button

Hole

8mm Knob Bolt

17

English

3. Cutting Operation

(1) As shown in Fig. 19 the width of the saw blade is the

width of the cut. Therefore, slide the workpiece to the

right (viewed from the operator’s position) when length

b is desired, or to the left when length a is desired.

(2) Once the saw blade reaches maximum speed, push

the handle down carefully until the saw blade

approaches the workpiece.

(3) Once the saw blade contacts the workpiece, push the

handle down gradually to cut into the workpiece.

(4) After cutting the workpiece to the desired depth, turn

the power tool OFF and let the saw blade stop

completely before raising the handle from the

workpiece to return it to the full retract position.

CAUTION: * Increased pressure on the handle will not increase the cutting speed.

On the contrary, too much pressure may result in overload of the motor and/or

decreased cutting efficiency.

WARNING: * Confirm that the trigger switch is turned OFF and the power plug has been removed

from the receptacle whenever the tool is not in use.

* Always remove the lock-off button from the handle and store it in a secure place

after completing the work.

4. Cutting narrow workpieces (Press cutting)

Slide the hinge down to holder (A), then tighten the slide securing

knob as indicated in Fig. 20.

Lower the handle to cut the workpiece.

Using the power tool this way will permit cutting of workpieces of

up to 2-15/16" (75mm) square.

NOTE: When cutting a workpiece of over 2-15/16" (75mm)

square, adjust the gap between the holder (A) and the

hinge to 25/32" (20mm).

Using the power tool this way will permit cutting of

workpieces of up to 3-15/16" (100mm).

Fig. 20

5. Cutting wide workpieces (Slide cutting)

(1) Workpieces up to 4-7/32" (107mm) high and 12" (305mm) wide:

Loosen the slide securing knob, grip the handle and slide the

saw blade forward.

Then press down on the handle and slide the saw blade back to

cut the workpiece as indicated in Fig. 21. This facilitates cutting

of workpieces of up to 4-7/32" (107mm) in height and 12"

(305mm) in width.

(2) Workpieces up to 4-23/32" (120mm) high and 10-7/32" (260mm)

wide: Workpieces of up to 4-23/32" (120mm) in height and up

to 10-7/32" (260mm) in width can be cut in the same manner as

described in paragraph 5-(1) above.

Fig. 21

CAUTION: * When cutting a workpiece of 4-23/32" (120mm) height, adjust the lower limit position

of the motor head so that the gap between the lower edge of the motor head and

the workpiece will be 5/64" to 1/8" (2 to 3mm) at the lower limit position.

* If the handle is pressed down with excessive or lateral force, the saw blade may

vibrate during the cutting operation and cause unwanted cutting marks on the

workpiece, thus reducing the quality of the cut.

Adjusting Line

Marking

(pre-marked)

Marking

(pre-marked)

(Front View)

ab

a

b

a

b

Fig. 19

Slide Securing Knob

Hinge

Holder (A)

Handle

Press

Down

Workpiece

20mm

q Pull Forward

e Push Rearward to Cut

Slide securing

knob

Handle

w Press

Down

Workpiece

▲

18

English

Accordingly, press the handle down gently and carefully.

* In slide cutting, gently push the handle back (rearwards) in a single, smooth opera-

tion.

Stopping the handle movement during the cut will cause unwanted cutting marks

on the workpiece.

WARNING: * For slide cutting, follow the procedures indicated above in Fig. 21.

Forward slide cutting (toward the operator) is very dangerous because the saw

blade could kick upward from the workpiece. Therefore, always slide the handle

away from the operator.

* Always return the carriage to the full rear position after each crosscut operation in

order to reduce the risk of injury.

* Never put your hand on the side handle during the cutting operation because the

saw blade comes close to the side handle when the motor head is lowered.

6. Cutting large workpieces

There may be case when a complete cutting cannot be done

depending on the height of workpiece. In this case, mount an

auxiliary board with the 6mm flat head screws and the 6mm nuts

using the 7mm holes on the fence surface (two holes on each side).

(Fig. 22)

Refer to page 9 "SPECIFICATIONS" for the thickness of the auxiliry

board.

Fig. 22

7. Bevel cutting procedures

(1) Loosen the clamp lever and bevel the saw blade to the left or to

the right.

When tilting the motor head to the right pull the fixing pin

towards the rear.

(2) Adjust the bevel angle to the desired setting while watching

the bevel angle scale and indicator, then secure the clamp le-

ver.

(3) Follow the procedures indicated in paragraphs 4 and 5 above.

For maximum dimensions for bevel cutting, refer to

“SPECIFICATIONS” table on page 9.

Fig. 23

WARNING: When the workpiece is secured on the left or right side of the blade, the short cut-off

portion will come to rest on the right or left side of the saw blade. Always turn the

power off and let the saw blade stop completely before raising the handle from the

workpiece.

If the handle is raised while the saw blade is still rotating, the cut-off piece may

become jammed against the saw blade causing fragments to scatter about danger-

ously.

When stopping the bevel cutting operation halfway, start cutting after pulling back

the motor head to the initial position.

Starting from halfway, without pulling back, causes the safety cover to be caught in

the cutting groove of the workpiece and to contact the saw blade.

CAUTION: When cutting a workpiece of 2-15/16" (75mm) height in the left 45° bevel cutting

position or a workpiece of 1-3/4" (45mm) height in the right 45° bevel cutting position,

adjust the lower limit position of the motor head so that the gap between the lower

edge of the motor head and the workpiece will be 5/64" to 1/8" (2 to 3mm) at the

lower limit position (refer to “3. Checking the saw blade lower limit position” on

page 14).

Fence

6mm Nut

6mm Flad Hd.

Screw

Auxiliary

Board

Indicator

(for bevel scale)

Fixing pin

Loosen

Clamp

Lever

Tighten

Bevel Scale

19

English

8. Miter cutting procedures

(1) Loosen the side handle and adjust the turntable until the indi-

cator aligns with the desired setting on the miter scale (Fig. 26).

(2) Re-tighten the side handle to secure the turntable in the de-

sired position.

(3) The miter scale (Fig. 24) indicates both the cutting angle on the

angle scale and the gradient on the grade scale.

(4) The gradient, which is the ratio of the height to the base of the

triangular section to be removed, may be used for setting the

miter scale instead of the cutting angle, if desired (see Fig. 25).

(5) Therefore, to cut a workpiece at a grade of 2/10, set the indicator

to position a as indicated in Fig. 24.

NOTE: * Positive stops are provided at the right and left of

the 0° center setting, at 15°, 22.5°, 31.6°, 35.3° and

45° settings.

Check that the miter scale and the tip of the indica-

tor are properly aligned.

* Operation of the saw with the miter scale and indi-

cator out of alignment, or with the side handle not

properly tightened, will result in poor cutting preci-

sion.

Fig. 26

9. Compound cutting procedures

Compound cutting can be performed by following the instructions in 7 and 8 above. For maximum

dimensions for compound cutting, refer to “SPECIFICATIONS” table on page 9.

CAUTION: Always secure the workpiece with the right or left hand and cut it by sliding the

round portion of the saw backwards with the left hand.

It is very dangerous to rotate the turntable to the left during compound cutting be-

cause the saw blade may come into contact with the hand that is securing the

workpiece.

10. Crown molding cutting procedures

Fig. 27 shows two common crown molding types having angles of (θ) 38° and 45°.

For the typical crown molding fittings, see Fig. 28.

Fig. 27 Fig. 28

The table below shows the miter angle and the bevel angle settings that are ideal for the two crown

molding types.

NOTE: For convenience, positive stops are provided for the miter setting (left and right 31.6°, 35.3°)

positions.

Angle Scale

Grade Scale

a

Miter Scale

Fig. 24

Fig. 25

Turn the

turntable

Miter Scale

Indicator

(For miter

scale)

Side

Handle

Tighten

Loosen

Wall

A upper surface

Ceiling

B lower surface

Ceiling

Wall

q

w

er

Turntable

20

English

For miter cut setting

If the turntable has been set to either of the angles described, move the turntable adjusting side handle

a little to the right and left to stabilize the position and to properly align the miter angle scale and the tip

of the indicator before the operation starts.

For bevel cut setting

Move handle on bevel section to the right and left and check that the position is stable and that the

bevel angle scale and the tip of the indicator are properly aligned. Then tighten the clamp lever.

(1) Setting to cut crown moldings at positions q and r in Fig. 28 (see Fig. 29; tilt the head to the left):

q Turn the turntable to the right and set the Miter Angle as follows:

* For 45°type crown moldings: 35.3° ( mark)

* For 38°type crown moldings: 31.6° ( mark)

w Tilt the head to the left and set the Bevel Angle as follows:

* For 45°type crown moldings: 30° ( mark)

* For 38°type crown moldings: 33.9° ( mark)

e

Position the crown molding so that the upper surface (A in Fig. 27) contacts the fence as indicated in

Fig. 30.

(2) Setting to cut crown moldings at positions w and e in Fig. 28 (see Fig. 31; tilt the head to the left):

q Turn the turntable to the left and set the Miter Angle as follows:

* For 45°type crown moldings: 35.3° ( mark)

* For 38°type crown moldings: 31.6° ( mark)

w Tilt the head to the left and set the Bevel Angle as follows:

* For 45°type crown moldings: 30° ( mark)

* For 38°type crown moldings: 33.9° ( mark)

e Position the crown molding so that the lower surface (B in Fig. 27) contacts the fence as in Fig. 32.

Fig. 29 Fig. 31

Fig. 30 Fig. 32

To process crown molding

at

positions 1 and 4 in Fig. 28.

To process crown molding at

positions 2 and 3 in Fig. 28.

Type of

Crown

Molding

45° Type

38° Type

Miter Angle

Setting

right 35.3°

( mark)

right 31.6°

( mark)

Miter Angle

Setting

left 35.3°

( mark)

left 31.6°

( mark)

Bevel Angle

Setting

left 30°

( mark)

left 33.9°

( mark)

Bevel Angle

Setting

left 30°

( mark)

left 33.9°

( mark)

right 30°

( mark)

right 33.9°

( mark)

right 30°

( mark)

right 33.9°

( mark)

Fence

Table on Base

B

Table on Base

Bevel Angle Scale

Fence

Base

Bevel Angle Scale

Base

w

r

e

q

Miter Angle Scale Miter Angle ScaleTurntable Turntable

Fence

A

B

A

Fence

Head Head

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Hitachi C 12FSA Instruction Manual And Safety Instructions

Hitachi C 12FSA Instruction Manual And Safety Instructions

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