C 18DL - Saw HITACHI - Free user manual and instructions

USER MANUAL C 18DL HITACHI

SAFETY INSTRUCTIONS AND INSTRUCTION MANUAL

SAFETY INSTRUCTIONS FOR SAWS WITH

Read and understand all of the safety precautions, warnings and operating instructions in the Instruction Manual before operating or maintaining this power tool. Most accidents that result from power 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 Instruction 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 power tool and in this Instruction Manual. NEVER use this power tool in a manner that has not been specifically recommended by HITACHI.

MEANINGS OF SIGNAL WORDS

WARNING indicates a potentially hazardous situations which, if ignored, could result in death or serious injury. CAUTION indicates a potentially hazardous situations which, if not avoided, may result in minor or moderate injury, or may cause machine damage. NOTE emphasizes essential information. SAFETY

Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. Save all warnings and instructions for future reference. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

a) Keep work area clean and well lit. Cluttered or dark areas invite accidents. b) Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks which may ignite the dust or fumes. c) Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.

2) Electrical safety

a) Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of electric shock. b) Avoid body contact with earthed or grounded surfaces such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded. c) Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock. d) Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of electric shock. e) When operating a power tool outdoors, use an extension cord suitable for outdoor use. Use of a cord suitable for outdoor use reduces the risk of electric shock. f) If operating a power tool in a damp location is unavoidable, use a residual current device (RCD) protected supply. Use of an RCD reduces the risk of electric shock.

a) Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medication. 01Eng_C18DL_US 8/6/12, 13:3334 English A moment of inattention while operating power tools may result in serious personal injury. b) Use personal protective equipment. Always wear eye protection. Protective equipment such as dust mask, non- skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries. c) Prevent unintentional starting. Ensure the switch is in the off-position before connecting to power source and/or battery pack, picking up or carrying the tool. Carrying power tools with your finger on the switch or energising power tools that have the switch on invites accidents. d) Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached to a rotating part of the power tool may result in personal injury. e) Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations. f) Dress properly. Do not wear loose clothing or jewellery. Keep your hair, clothing and gloves away from moving parts. Loose clothes, jewellery or long hair can be caught in moving parts. g) If devices are provided for the connection of dust extraction and collection facilities, ensure these are connected and properly used. Use of dust collection can reduce dust-related hazards.

4) Power tool use and care

a) Do not force the power tool. Use the correct power tool for your application. The correct power tool will do the job better and safer at the rate for which it was designed. b) Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be controlled with the switch is dangerous and must be repaired. c) Disconnect the plug from the power source and/or the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally. d) Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool. Power tools are dangerous in the hands of untrained users. e) Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts and any other condition that may affect the power tool’s operation. If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools. f) Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control. g) Use the power tool, accessories and tool bits etc. in accordance with these instructions, taking into account the working conditions and the work to be performed. Use of the power tool for operations different from those intended could result in a hazardous situation.

5) Battery tool use and care

a) Recharge only with the charger specified by the manufacturer. A charger that is suitable for one type of battery pack may create a risk of fire when used with another battery pack. b) Use power tools only with specifically designated battery packs. Use of any other battery packs may create a risk of injury and fire. c) When battery pack is not in use, keep it away from other metal objects like paper clips, coins, keys, nails, screws, or other small metal objects, that can make a connection from one terminal to another. Shorting the battery terminals together may cause burns or a fire. d) Under abusive conditions, liquid may be ejected from the battery; avoid contact. If contact accidentally occurs, flush with water. If liquid contacts eyes, additionally seek medical help. Liquid ejected from the battery may cause irritation or burns.

a) Have your power tool serviced by a qualified repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained. 01Eng_C18DL_US 7/31/09, 16:114English

Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are:

Lead from lead-based paints,

Crystalline silica from bricks and cement and other masonry products, and

Arsenic and chromium from chemically-treated lumber. Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to these chemicals: work in a well ventilated area, and work with approved safety equipment, such as those dust masks that are specially designed to filter out microscopic particles.

SAFETY INSTRUCTIONS FOR ALL SAWS

DANGER! a) Keep hands away from cutting area and the blade. Keep your second hand on auxiliary handle, or motor housing. If both hands are holding the saw, they cannot be cut by the blade. b) Do not reach underneath the workpiece. The guard cannot protect you from the blade below the workpiece. c) Adjust the cutting depth to the thickness of the workpiece. Less than a full tooth of the blade teeth should be visible below the workpiece. d) Never hold piece being cut in your hands or across your leg. Secure the workpiece to a stable platform. It is important to support the work properly to minimize body exposure, blade binding, or loss of control. e) Hold power tool by insulated gripping surfaces when performing an operation where the cutting tool may contact hidden wiring or its own cord. Contact with a “live” wire will also make exposed metal parts of the power tool “live” and shock the operator. f) When ripping always use a rip fence or straight edge guide. This improves the accuracy of cut and reduces the chance of blade binding. g) Always use blades with correct size and shape (diamond versus round) of arbour holes. Blades that do not match the mounting hardware of the saw will run eccentrically, causing loss of control. h) Never use damaged or incorrect blade washers or bolt. The blade washers and bolt were specially designed for your saw, for optimum performance and safety of operation.

Never use any abrasive wheels Burst of abrasive wheel cause serious injury of operator or persons around the working area.

FURTHER SAFETY INSTRUCTIONS FOR

ALL SAWS Causes and operator prevention of kickback: –Kickback is a sudden reaction to a pinched, bound or misaligned saw blade, causing an uncontrolled saw to lift up and out of the workpiece toward the operator. – When the blade is pinched or bound tightly by the kerf closing down, the blade stalls and the motor reaction drives the unit rapidly back toward the operator. –If the blade becomes twisted or misaligned in the cut, the teeth at the back edge of the blade can dig into the top surface of the wood causing the blade to climb out of the kerf and jump back toward the operator. Kickback is the result of saw misuse and/or incorrect operating procedures or conditions and can be avoided by taking proper precautions as given below. a) Maintain a firm grip with both hands on the saw and position your arms to resist kickback forces. Position your body to either side of the blade, but not in line with the blade. Kickback could cause the saw to jump backwards, but kickback forces can be controlled by the operator, if proper precautions are taken. b) When blade is binding, or when interrupting a cut for any reason, release the trigger and hold the saw motionless in the material until the blade comes to a complete stop. Never attempt to remove the saw from the work or pull the saw backward while the blade is in motion or kickback may occur. Investigate and take corrective actions to eliminate the cause of blade binding. c) When restarting a saw in the workpiece, centre the saw blade in the kerf and check that saw teeth are not engaged into the material. If saw blade is binding, it may walk up or kickback from the workpiece as the saw is restarted. d) Support large panels to minimize the risk of blade pinching and kickback. Large panels tend to sag under their own weight. Supports must be placed under the panel on both sides, near the line of cut and near the edge of the panel. e) Do not use dull or damaged blades. Unsharpened or improperly set blades produce narrow kerf causing excessive friction, blade binding and kickback. 01Eng_C18DL_US 7/31/09, 16:1156 English f) Blade depth and bevel adjusting locking levers must be tight and secure before making cut. If blade adjustment shifts while cutting, it may cause binding and kickback. g) Use extra caution when making a “plunge cut” into existing walls or other blind areas. The protruding blade may cut objects that can cause kickback.

SAFETY INSTRUCTIONS FOR SAWS WITH

INNER PENDULUM GUARD

a) Check lower guard for proper closing before each use. Do not operate the saw if lower guard does not move freely and close instantly. Never clamp or tie the lower guard into the open position. If saw is accidentally dropped, lower guard may be bent. Raise the lower guard with the retracting handle and make sure it moves freely and does not touch the blade or any other part, in all angles and depth of cut. b) Check the operation of the lower guard spring. If the guard and the spring are not operating properly, they must be serviced before use. Lower guard may operate sluggishly due to damaged parts, gummy deposits, or build-up of debris. c) Lower guard should be retracted manually only for special cuts such as “plunge cuts” and “compound cuts”. Raise lower guard by retracting handle and as soon as blade enters the material, the lower guard must be released. For all other sawing, the lower guard should operate automatically. d) Always observe that the lower guard is covering the blade before placing saw down on bench or floor. An unprotected, coasting blade will cause the saw to walk backwards, cutting whatever is in its path. Be aware of the time it takes for the blade to stop after switch is released.

SPECIFIC SAFETY RULES

1. NEVER hold piece being cut in your hands or

across your leg. It is important to support the work properly to minimize body exposure, blade binding, or loss of control.

2. Hold tool by insulated gripping surfaces when

performing an operation where the cutting tool may contact hidden wiring. Contact with a “live” wire will also make exposed metal parts of the tool “live” and shock the operator.

3. When ripping always use a rip fence or straight

edge guide. This improves the accuracy of cut and reduces the chance for blade binding.

4. Always use blades with correct size and shape

(diamond vs. round) arbor holes. Blades that do not match the mounting hardware of the saw will run eccentrically, causing loss of control.

5. Never use damaged or incorrect blade washers

or bolts. The blade washers and bolt were specially designed for your saw, for optimum performance and safety of operation.

6. Hold tools by insulated gripping surfaces when

performing an operation where the cutting tool may contact hidden wiring or its own cord. Contact with a “live” wire will make exposed metal parts of the tool “live” and shock the operator.

7. Never touch moving parts.

Never place your hands, fingers or other body parts near the tool’s moving parts.

8. Never operate without all guards in place.

Never operate this tool without all guards or safety features in place and in proper working order. If maintenance or servicing requires the removal of a guard or safety feature, be sure to replace the guard or safety feature before resuming operation of the tool.

Don’t force small tool or attachment to do the job of a heavy-duty tool. Don’t use tool for purpose not intended —for example— don’t use circular saw for cutting tree limbs or logs.

10. Never use a power tool for applications other than

those specified. Never use a power tool for applications other than those specified in the Instruction Manual.

11. Handle tool correctly.

Operate the tool according to the instructions provided herein. Do not drop or throw the tool. Never allow the tool to be operated by children, individuals unfamiliar with its operation or unauthorized personnel.

13. Keep all screws, bolts and covers tightly in place.

Keep all screws, bolts, and plates tightly mounted. Check their condition periodically.

14. Do not use power tools if the plastic housing or

handle is cracked. Cracks in the tool’s housing or handle can lead to electric shock. Such tools should not be used until repaired.

15. Blades and accessories must be securely mounted

to the tool. Prevent potential injuries to yourself or others. Blades, cutting implements and accessories which have been mounted to the tool should be secure and tight. 01Eng_C18DL_US 7/31/09, 16:116English

16. Never use a tool which is defective or operating

abnormally. If the tool appears to be operating unusually, making strange noises, or otherwise appears defective, stop using it immediately and arrange for repairs by a Hitachi authorized service center.

17. Carefully handle power tools.

Should a power tool be dropped or struck against hard materials inadvertently, it may be deformed, cracked, or damaged.

18. Do not wipe plastic parts with solvent.

Solvents such as gasoline, thinner benzine, carbon tetrachloride, and alcohol may damage and crack plastic parts. Do not wipe them with such solvents. Wipe plastic parts with a soft cloth lightly dampened with soapy water and dried thoroughly.

Death or serious bodily injury could result from improper or unsafe use of the cordless circular saw. To avoid these risks, follow these basic safety instructions:

1. Wear ear plugs when using the tool for extended

periods. Prolonged exposure to high intensity noise can cause hearing loss.

2. Never wedge or tie lower guard open. Check

operation of lower guard before each use. Do not use if lower guard does not close briskly over saw blade. CAUTION: If saw is dropped, safety cover may be bent restricting full return.

3. For this mode, the saw blades range should be

from 165 mm to 160 mm.

4. Never place hands or other body parts near the

saw blade during operation. Hold the circular saw by its handle only.

5. Because the cordless circular saw operates by

battery power, be aware of the fact that it can begin to operate at any time.

6. Wear eye and ear protection at all times.

7. When working at elevated locations, clear the area

of other people and aware of conditions below you.

8. It is important to support the work properly and to

hold the saw firmly to prevent loss of control which could cause personal injury.

9. Guard against kickback: Kickback occurs when the

saw stalls rapidly and is driven back towards the operator. Release switch immediately if blade binds or saw stalls.

Support the panel near the cut.

Stay alert exercise control

Don’t remove saw from work during a cut while the blade is moving.

10. In operating, keep hold main body firmly.

11. Keep the light ON during cutting operation only.

If it is lit ON in other cases, the main body switch can be inadvertently turned ON, resulting in unexpected accidents.

Death or serious bodily injury could result from improper or unsafe use of battery chargers. To avoid these risks, follow these basic safety instructions:

READ ALL INSTRUCTIONS

1. This manual contains important safety and

operating instructions for battery charger Model UC18YRL, UC18YFL and UC18YGL2.

2. Before using battery charger, read all instructions

and cautionary markings on (1) battery charger, (2) battery, and (3) product using battery.

3. To reduce risk of injury, charge HITACHI rechargeable

battery type EB7, EB9, EB12, EB14, EB18, BCL14, BCL18 and EBM18 series. Other type of batteries may burst causing personal injury and damage.

4. Do not expose battery charger to rain or snow.

5. Use of an attachment not recommended or sold

by the battery charger manufacturer may result in a risk of fire, electric shock, or injury to persons.

6. To reduce risk of damage to electric plug and cord,

pull by plug when disconnecting battery charger.

7. Make sure cord is located so that it will not be

stepped on, tripped over, or otherwise subjected to damage or stress.

8. An extension cord should not be used unless

absolutely necessary. Use of improper extension cord could result in a risk of fire and electric shock. If extension cord must be used make sure: a. That blades of extension cord are the same number, size, and shape as those of plug on battery charger: b. That extension cord is properly wired and in good electrical condition; and c. That wire size is large enough for AC ampere rating of battery charger as specified in Table

AC Input Rating Amperes* AWG Size of Cord Equal to or but less Length of Cord, Feet (Meter) greater than than 25 (7.5) 50 (15) 100 (30) 150 (45)

• If the input rating of a battery charger is given in watts rather than in amperes, the corresponding ampere rating is to be determined by dividing the wattage rating by the voltage rating–for example:

9. Do not operate battery charger with damaged cord

or plug-replace them immediately.

10. Do not operate battery charger if it has received a

sharp blow, been dropped, or otherwise damaged in any way; take it to a qualified serviceman.

11. Do not disassemble battery charger; take it to a

qualified serviceman when service or repair is required. Incorrect reassembly may result in a risk of electric shock or fire.

12. To reduce risk of electric shock, unplug charger

from receptacle before attempting any maintenance or cleaning. Removing the battery will not reduce this risk.

13. This battery charger might be attached to HITACHI

battery operated tools as a standard accessory. In this case, please confirm instruction Manual of the HITACHI battery operated tools before using the battery charger.

CHARGER You must charge the battery before you can use the power tool. Before using the model UC18YRL or UC18YFL or UC18YGL2 battery charger, be sure to read all instructions and cautionary statements on it, the battery and in this manual. REMEMBER: USE ONLY HITACHI BATTERY TYPES EB7 SERIES, EB9 SERIES, EB12 SERIES, EB14 SERIES, EB18 SERIES, BCL14 SERIES, BCL18 SERIES AND EBM18 SERIES. OTHER TYPES OF BATTERIES MAY BURST AND CAUSE INJURY! Follow these instructions to avoid the risk of injury:

Improper use of the battery or battery charger can lead to serious injury. To avoid these injuries:

1. NEVER disassemble the battery.

2. NEVER incinerate the battery, even if it is damaged

or is completely worn out. The battery can explode in a fire.

3. NEVER short-circuit the battery.

4. NEVER insert any objects into the battery charger’s

air vents. Electric shock or damage to the battery charger may result.

5. NEVER charge outdoors. Keep the battery away

from direct sunlight and use only where there is low humidity and good ventilation.

6. NEVER charge when the temperature is below 32°F

(0°C) or above 104°F (40°C).

7. NEVER connect two battery chargers together.

8. NEVER insert foreign objects into the hole for the

battery or the battery charger.

11. NEVER store the battery or battery charger in

places where the temperature may reach or exceed 104°F (40°C).

12. ALWAYS operate charger on standard household

electrical power (120 volts). Using the charger on any other voltage may overheat and damage the charger.

13. ALWAYS wait at least 15 minutes between charges

to avoid overheating the charger.

14. ALWAYS disconnect the power cord from its

receptacle when the charger is not in use. 1,250 watts 125 volts

To extend the lifetime, the lithium-ion battery equips with the protection function to stop the output. In the cases of 1 to 3 described below, when using this product, even if you are pulling the switch, the motor may stop. This is not the trouble but the result of protection function.

1. When the battery power remaining runs out, the

motor stops. In such case, charge it up immediately.

2. If the tool is overloaded, the motor may stop. In

this case, release the switch of tool and eliminate causes of overloading. After that, you can use it again.

3. If the battery is overheated under overload work,

the battery power may stop. In this case, stop using the battery and let the battery cool. After that, you can use it again. Furthermore, please heed the following warning and caution. WARNING In order to prevent any battery leakage, heat generation, smoke emission, explosion and ignition beforehand, please be sure to heed the following precautions.

1. Make sure that swarf and dust do not collect on

During work make sure that swarf and dust do not fall on the battery.

Make sure that any swarf and dust falling on the power tool during work do not collect on the battery.

Do not store an unused battery in a location exposed to swarf and dust.

Before storing a battery, remove any swarf and dust that may adhere to it and do not store it together with metal parts (screws, nails, etc.).

2. Do not pierce battery with a sharp object such as a

nail, strike with a hammer, step on, throw or subject the battery to severe physical shock.

3. Do not use an apparently damaged or deformed

4. Do not use the battery in reverse polarity.

5. Do not connect directly to an electrical outlets or

car cigarette lighter sockets.

6. Do not use the battery for a purpose other than

7. If the battery charging fails to complete even when

a specified recharging time has elapsed, immediately stop further recharging.

8. Do not put or subject the battery to high

temperatures or high pressure such as into a microwave oven, dryer, or high pressure container.

9. Keep away from fire immediately when leakage

or foul odor are detected.

10. Do not use in a location where strong static

electricity generates.

11. If there is battery leakage, foul odor, heat

generated, discolored or deformed, or in any way appears abnormal during use, recharging or storage, immediately remove it from the equipment or battery charger, and stop use. CAUTION

1. If liquid leaking from the battery gets into your

eyes, do not rub your eyes and wash them well with fresh clean water such as tap water and contact a doctor immediately. If left untreated, the liquid may cause eye- problems.

2. If liquid leaks onto your skin or clothes, wash well

with clean water such as tap water immediately. There is a possibility that this can cause skin irritation.

3. If you find rust, foul odor, overheating, discolor,

deformation, and/or other irregularities when using the battery for the first time, do not use and return it to your supplier or vendor.

SAVE THESE INSTRUCTIONS

AND OWNERS OF THIS TOOL! 01Eng_C18DL_US 7/31/09, 16:12910 English FUNCTIONAL DESCRIPTION NOTE: The information contained in this Instruction Manual is designed to assist you in the safe operation and maintenance of the power tool. NEVER operate, or attempt any maintenance on the tool unless you have first read and understood all safety instructions contained in this manual. Some illustrations in this Instruction Manual may show details or attachments that differ from those on your own power tool.

1. Cordless Circular Saw (C18DL)

1. Cordless Circular Saw (C18DL)

Motor DC motor No-load speed 3,400/min Max. Cutting Depth 2-1/4” (57 mm) Blade Size 6-1/2” (165 mm) D × 5/8” (15.9 mm) H × 1/16” (1.6 mm) T Model EBM1830 BCL1815 Battery Type Lithium – ion battery Voltage DC 18V Light Bulb 12V, 5W Weight 7.1 lbs. (3.2 kg) 6.6 lbs. (3.0 kg) Model UC18YRL/UC18YFL UC18YGL2 Input power source Single phase: AC120V 60Hz Charging time Approx. 20 min. .....BCL1815 Approx. 40 min. .....BCL1815 (At a temperature of 68°F (20°C)) Approx. 45 min. .....EBM1830 Approx. 90 min. .....EBM1830 Charging voltage DC 7.2 – 18V Charging current DC 3.5A DC 2.0A Weight 1.3 lbs. (0.6 kg) 0.9 lbs. (0.4 kg) NOTE: The charging time may vary according to ambient temperature and power source voltage. 01Eng_C18DL_US 7/31/09, 16:121112 English

Cutting various types of wood.

REMOVAL AND INSTALLATION METHOD

How to install the battery. Align the battery with the groove in tool handle and install it into place. Always insert it all the way until it 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 (Fig. 4). Fig. 4

How to remove the battery. Withdraw battery from the tool handle while pressing the latches on both sides of the battery (Fig. 4). CHARGING METHOD NOTE Before plugging into the receptacle, make sure the following points.

The power source voltage is stated on the nameplate.

The cord is not damaged.

Do not charge at voltage higher than indicated on the nameplate. If charged at voltage higher than indicated on the nameplate, the charger will burn out.

1. Insert the plug of battery charger into the

receptacle. When the plug of battery charger has been inserted into the receptacle, the charge status lamp will blink in red. (At 1-second intervals) WARNING Do not use the electrical cord if damaged. Have it repaired immediately.

2. Insert the battery to the battery charger.

Insert the battery into the battery charger as shown in Fig. 5. Make sure it contacts the bottom of the battery charger. Fig. 5

When the battery is connected to the battery charger, charging will commence and the pilot lamp will light in red. (See Table 2) NOTE: If the pilot lamp flickers in red, pull out the plug from the receptacle and check if the battery is properly mounted.

When the battery is fully charged, the pilot lamp will blink in red slowly. (At 1-second intervals) (See Table 2) Battery Handle Insert Pull out Latch Push Battery Charge status lamp (red) Overheat lamp (green) 01Eng_C18DL_US 7/31/09, 16:1212English

Before charging While charging Charging complete Charging impossible Overheat standby Malfunction in the battery or the charger Battery overheated. Unable to charge (Charging will commence when battery cools). Table 2 Indications of the pilot lamp Blinks (RED) Lights (RED) Blinks (RED) Flickers (RED) Lights (GREEN) Lights for 0.5 seconds. Does not light for 0.5 seconds. (off for 0.5 seconds) Lights continuously Lights for 0.5 seconds. Does not light for 0.5 seconds. (off for 0.5 seconds) Lights for 0.1 seconds. Does not light for 0.1 seconds. (off for 0.1 seconds) Lights continuously Charge status lamp (RED) Overheat lamp (GREEN)

Regarding the temperature of the rechargeable battery. The temperatures for rechargeable batteries are as shown in the Table 3, and batteries that have become hot should be cooled for a while before being recharged. Table 3 Rechargeable Temperatures at which the batteries battery can be recharged EBM1830, BCL1815 32°F — 122°F (0°C — 50°C)

4. Disconnect battery charger from the receptacle.

CAUTION: Do not pull the plug out of the receptacle by pulling on the cord. Make sure to grasp the plug when removing from receptacle to avoid damaging cord.

5. Remove the battery from the battery charger.

Supporting the battery charger with hand, pull out the battery from the battery charger. <UC18YGL2>

1. Insert the plug of battery charger into the

receptacle. When the plug of battery charger has been inserted into the receptacle, pilot lamp will blink in red. (At 1-second intervals) NOTE: When standby for cooling battery, UC18YRL cools the overheated battery by cooling fan. WARNING Do not use the electrical cord if damaged. Have it repaired immediately.

2. Insert the battery to the battery charger.

Insert the battery into the battery charger as shown in Fig. 6. Make sure it contacts the bottom of the battery charger. Fig. 6 Pilot lamp

When the battery is connected to the battery charger, charging will commence and the pilot lamp will light in red. (See Table 4) 01Eng_C18DL_US 7/31/09, 16:121314 English NOTE: If the pilot lamp flickers in red, pull out the plug from the receptacle and check if the battery is properly mounted.

When the battery is fully charged, the pilot lamp will blink in red slowly. (At 1-second intervals) (See Table 4) Before charging While charging Charging complete Overheat standby Battery overheated. Unable to charge. (Charging will commence when battery cools) Table 4 Indications of the pilot lamp Blinks Lights Blinks Blinks Lights for 0.5 seconds. Does not light for 0.5 seconds. (off for 0.5 seconds) Lights continuously Lights for 0.5 seconds. Does not light for 0.5 seconds. (off for 0.5 seconds) Lights for 1 seconds. Does not light for

0.5 seconds. (off for 0.5 seconds)

Regarding the temperature of the rechargeable battery. The temperatures for rechargeable batteries are as shown in Table 3, and batteries that have become hot should be cooled for a while before being recharged.

4. Disconnect battery charger from the receptacle.

CAUTION: Do not pull the plug out of the receptacle by pulling on the cord. Make sure to grasp the plug when removing from receptacle to avoid damaging cord.

5. Remove the battery from the battery charger.

Supporting the battery charger with hand, pull out the battery from the battery charger. Regarding electric discharge in case of new batteries, etc.

As the internal chemical substance of new batteries and batteries that have not been used for an extended period is not activated, the electric discharge might be low when using them the first and second time. This is a temporary phenomenon, and normal time required for recharging will be restored by recharging the batteries 2 – 3 times. How to make the batteries perform longer.

Recharge the batteries before they become completely exhausted. When you feel that the power of the tool becomes weaker, stop using the tool and recharge its battery. If you continue to use the tool and exhaust the electric current, the battery may be damaged and its life will become shorter.

Avoid recharging at high temperatures. A rechargeable battery will be hot immediately after use. If such a battery is recharged immediately after use, its internal chemical substance will deteriorate, and the battery life will be shortened. Leave the battery and recharge it after it has cooled for a while. CAUTION:

When the battery charger has been continuously used, the battery charger will heated, thus constituting the cause of the failures. Once the charging has been completed, give 15 minutes rest until the next charging.

If the battery is recharged when it is warm due to battery use or exposure to sunlight, the pilot lamp may light in green. The battery will not be recharged. In such a case, let the battery cool before charging. (UC18YRL, UC18YFL)

When the pilot lamp flickers in red (at 0.2 second intervals), check for and take out any foreign objects in the charger’s battery installation hole. If there are no foreign objects, it is probable that the battery or charger is malfunctioning. Take it to your authorized Service Center. (UC18YRL, UC18YFL) 01Eng_C18DL_US 7/31/09, 16:1214English

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

3. Check if wing nut is tightened

If the wing nut to adjust cutting depth (Fig. 8) is loose, injury can result. Make sure that it is tightened securely.

4. Check performance of lower guard

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. 3) 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

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.

7. Prepare a wooden work bench (Fig. 7)

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. Fig. 7 CAUTION: To avoid possible accident, always ensure that the portion of lumber remaining after cutting is securely anchored or held in position.

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. Fig. 8

2. Adjusting the angle of inclination

If the wing-nut is loose, injury can result. Tighten it securely after adjustment. Wing-nut Base Base Lumber Work bench Saw blade 01Eng_C18DL_US 7/31/09, 16:121516 English As shown in Fig. 9 by loosening the wing-bolt on the inclined gauge, the saw blade may be inclined to a maximum angle of 50° in relation to the base. Always insure that the wing-bolt is thoroughly tightened after making the desired adjustment. Fig. 9 NOTE: Values of the inclined gauge provided on the base merely serve as a rough guideline. For cutting operation at an inclined posture, use the circular saw after adjusting the angle between the base and the saw blade with a protractor, etc.

3. Regulating the guide (Fig. 10)

The cutting position can be regulated by moving the guide to the left or right after loosening its knob-bolt. The guide may be mounted on either the right or left side of the tool. Fig. 10 OPERATION

Never touch the moving parts.

Never operate the circular saw with the saw blade turned upward or to the side.

Do not fix and secure the switch lock. Besides, keep your finger off the switch trigger when the circular saw is being carried around. Otherwise, the main body switch can be inadvertently turned ON, resulting in unexpected accidents.

Keep the light ON during cutting operation only. If it is lit ON in other cases, the main body switch can be inadvertently turned ON, resulting in unexpected accidents. CAUTION:

Don’t remove circular saw from workpiece during a cut while the saw blade is moving.

Pull out the battery after completing operation. NOTE: Take care not to lock the motor. If the motor is locked, immediately turn the power off. If the motor is locked for a while, the motor or battery may be burnt.

1. Operation of switch (Switch trigger and light

switch) (Fig. 11) For safe operation of the machine, a “switch lock” is provided on the side of a handle. If the “switch lock” is pulled in a state where it is pressed in the direction of the arrow mark, the main switch can be turned ON. (1) Switch lock is used as the “light switch”. If the “switch lock (light switch)” is pulled in a state, the light is turned ON. (2) After the switch is turned ON, even when you release your hand from the switch lock, the body continues running and the light continues being turned ON as long as you keep on pulling the switch trigger. (3) If you release the switch trigger, you can turn OFF the switch and the “switch lock” returns to the original position automatically and the light turns OFF too. Fig. 11

2. Working performance per single charge (Reference

Cutting capability differs according to the condition of lumber, type of saw blade, ambient temperature, battery characteristics, etc. Inclined gauge Cutting line (at 45 degrees) Wing-bolt Knob-bolt Guide Switch trigger Switch lock *(It works as switch lock alone if the machine is not equipped with light.) 01Eng_C18DL_US 7/31/09, 16:1216English

Minimize operation (no-load operation) other than cutting;

Avoid any unreasonably forced pressure to the motor during cutting operation by twisting or pressing the circular saw forcibly;

Avoid any use of dull saw blade.

3. Cutting procedures

Recheck that the saw blade is securely clamped.

Confirm that the wing-nut for adjusting the slot depth, the wing-bolt for adjusting the angle of inclination. (1) Place the base on the material, then align the premarked line and the saw blade with the notch at the front of the base (Fig. 12). (2) When the base is not inclined, use the large notch (Fig. 12, Fig. 13). If the base is inclined (45 degrees), use the small notch (Fig. 12, Fig. 14). Fig. 12 <Top View> Fig. 13 Not inclined Fig. 14 NOTE: When using the saw at the inclination of 45 degrees, use both the marks of on the bevel plate and [45] on the inclined gauge of the base (Fig. 15). What’s more, if it is absolutely essential to use the saw at a precise angle, make adjustment using a protractor, etc. Fig. 15 Not inclined Saw blade Wing-bolt Guide Inclined gauge Wing-bolt Cutting line (at 45 degrees) Bevel plate Inclined gauge Wing-bolt

01Eng_C18DL_US 7/31/09, 16:121718 English (3) Ensure that the switch is turned to the ON position before the saw blade comes in contact with the lumber. The switch is turned ON when the trigger is squeezed; and OFF when the trigger is released. Moving the saw straight at a constant speed will produce optimum cutting. CAUTION:

Before starting to saw, ensure that the saw blade has reached full speed revolution.

Should the saw blade be stopped or made an abnormal noise during operation, turn off the switch immediately.

When finished with a job, pull out the battery from the main body.

Twisting and forcibly pressing the saw during cutting can result in unreasonable pressure on the motor, so try to go straight quietly.

In the situation where the circular saw is continuously operated while replacing the battery with stocked spare batteries one after another, the motor tends to overheat. Therefore, whenever the housing becomes hot, give the saw a break for a while.

Avoid cutting operation in a state where the base bottom is afloat from the material being cut. Otherwise, the motor can get locked.

MOUNTING AND DISMOUNTING THE

SAW BLADE CAUTION: To avoid serious accident, ensure the switch is in the OFF position, and pull out the battery.

1. Dismounting the saw blade

(1) Set the cutting volume at maximum, and place the Circular Saw as shown in Fig. 16. Fig. 16 (2) Depress the lock lever, lock the spindle, and remove the left-hand bolt and washer (B2) with the box wrench. (3) While holding the lower guard lever to keep the lower guard fully retracted into the saw cover, remove the saw blade (Fig. 17). Fig. 17

If the left-hand bolt is worked using other tools than the provided box wrench, excessive tightening and insufficient tightening may take place, resulting in injury.

Take procedures here that are contrary to the detaching procedures. Fig. 18 NOTE:

Thoroughly remove any sawdust which has accumulated on the spindle, bolt and washers.

To assure proper rotation direction of the saw blade, the arrow direction on the saw blade must coincide with the arrow direction on the saw cover.

Using the fingers, tighten the left-hand bolt retaining the saw blade as much as possible. Then depress the lock lever, lock the spindle, and thoroughly tighten the left-hand bolt. CAUTION: After mounting the saw blade, reconfirm that the lock lever is firmly secured in the prescribed position. Box wrench Lock lever Tighten Loosen Lower guard lever Saw cover Left-hand bolt Ring Washer (A1) Spindle Washer (B2) Concave Saw blade 01Eng_C18DL_US 7/31/09, 16:1218English

REPLACING LIGHT BULB

Make absolutely sure that the battery is removed from the main body before replacing the light bulb.

Immediately after the light is turned OFF, the bulb retains high temperature. Make sure to cool down the light bulb thoroughly before replacing it so as to prevent burns. CAUTION: When replacing the light bulb, check the shape of base as well as the rating (12 V, 5 W), and then carry out perfect mounting. Otherwise, the light bulb can come off and/or cause overheat.

1. Detaching light bulb

(1) Remove the convex part of the light cover from the concave part of the housing, and then pull out the light cover in the arrow-marked direction as shown in Fig. 19. Fig. 19 <Side View> (2) Push the back of the socket, and remove the socket and the light bulb together from the housing (Fig. 20). Fig. 20 (3) Remove the light bulb from the socket (Fig. 21). Fig. 21 <Top View>

2. Attaching light bulb

Take procedures here that are contrary to the detaching procedures. NOTE:

When attaching the light bulb to the socket, insert the light bulb until it lightly bumps against the socket.

When attaching the socket to the housing, align the socket with the hole of housing while watching the back of the socket shown in Fig. 21, and insert the socket until it lightly bumps against the housing. Housing Light cover Convex Concave Housing Back of the socket Housing Light bulb Socket 01Eng_C18DL_US 7/31/09, 16:121920 English

MAINTENANCE AND INSPECTION

CAUTION: Pull out battery before doing any inspection or maintenance.

1. Inspecting the saw blade

Since use of a dull saw blade will degrade efficiency and cause possible motor malfunction, sharpen or replace the saw blade as soon as abrasion is noted. CAUTION: If a dull saw blade is used, reactive force is increased during cutting operation. Avoid the use of the dull saw blade without repair.

2. Check the mounting screws

Loose mounting screws are dangerous. Regularly inspect them and make sure they are tight. CAUTION: Using this power tool with loosen, screws is extremely dangerous.

3. Performance checkup and maintenance of lower

guard Keep the lower guard in good shape for smooth performance at all times. Be sure to make prompt repair in case of any malfunction.

4. Adjusting the base and saw blade to maintain

perpendicularity The angle between the base and the saw blade has been adjusted to 90°, however should this perpendicularity be lost for some reason, adjust in the following manner. (1) Turn the base face up (Fig. 22) and loosen the wing- bolt. Fig. 22 Square Slotted set screw Wing-bolt (2) Apply a square to the base and the saw blade and, turning the slotted set screw with a slotted-head screwdriver, shift the position of the base to produce the desired right angle.

Dust may be removed with a clean rag or a cloth dampened with soapy water. Do not use bleach, chlorine, gasoline or thinner, for they may damage the plastics.

6. Disposal of the exhausted battery

Do not dispose of the exhausted battery. The battery must explode if it is incinerated. The product that you have purchased contains a rechargeable battery. The battery is recyclable. At the end of it’s useful life, under various state and local laws, it may be illegal to dispose of this battery into the municipal waste stream. Check with your local solid waste officials for details in your area for recycling options or proper disposal.

Storing in a place below 104°F (40°C) and out of the reach of children.

8. 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 genuine replacement parts must be used, all service and repairs must be performed by a HITACHI AUTHORIZED SERVICE CENTER, ONLY.

9. 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. 01Eng_C18DL_US 7/31/09, 16:1220English

Battery Charger (UC18YRL or UC18YFL or UC18YGL2) .......... 1

C18DL (With 3.0Ah battery)

Battery Charger (UC18YRL or UC18YFL or UC18YGL2) .......... 1

ALWAYS use Only authorized HITACHI replacement parts and accessories. Never use replacement parts or accessories which are not intended for use with this tool. Contact HITACHI if you are not sure whether it is safe to use a particular replacement part or accessory with your tool. The use of any other attachment or accessory can be dangerous and could cause injury or mechanical damage. NOTE: Accessories are subject to change without any obligation on the part of the HITACHI. STANDARD ACCESSORIES 01Eng_C18DL_US 7/31/09, 16:122122 English C18DL (Others)

2. Battery (BCL1815)

3. Saw Blade Use ... Cutting various types of wood.

1 BOLT (W/WASHER) M7×17.5

44 BOLT ASS'Y (SQUARE) M2×22