WH18DBFL2S - Screwdriver HITACHI - Free user manual and instructions

USER MANUAL WH18DBFL2S HITACHI

Designed for operating in USA & Canada only. When this product is used in areas other than the USA & Canada, we cannot guarantee the product quality and performance.

SAFETY INSTRUCTIONS AND INSTRUCTION MANUAL

REMOVAL AND INSTALLATION METHOD

0000WH18DBFL2.indb20000WH18DBFL2.indb2 2017/08/2212:10:282017/08/2212:10:28IMPORTANT SAFETY INFORMATION 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 identifi ed by WARNINGS on the power tool and in this Instruction Manual. NEVER use this power tool in a manner that has not been specifi cally 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

GENERAL POWER TOOL SAFETY WARNINGS

WARNING Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fi re 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 fl ammable 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. Unmodifi ed 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.

English 0000WH18DBFL2.indb30000WH18DBFL2.indb3 2017/08/2212:10:282017/08/2212:10:283) Personal safety 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 infl uence of drugs, alcohol or medication. 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 fi nger 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 aff ect 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 diff erent from those intended could result in a hazardous situation.

5) Battery tool use and care

a) Recharge only with the charger specifi ed by the manufacturer. A charger that is suitable for one type of battery pack may create a risk of fi re when used with another battery pack. b) Use power tools only with specifi cally designated battery packs. Use of any other battery packs may create a risk of injury and fi re. 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 fi re. d) Under abusive conditions, liquid may be ejected from the battery; avoid contact. If contact accidentally occurs, fl ush 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 qualifi ed repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained.

than those specifi ed. NEVER use a power tool for applications other than those specifi ed in the Instruction Manual.

10. 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.

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

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

12. 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.

13. 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.

14. 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.

15. Carefully handle power tools.

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

16. 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 dry thoroughly.

17. Always wear eye protection that meets the

requirement of the latest revision of ANSI Standard Z87.1.

18. Defi nitions for symbols used on this tool

......... direct current no .......... no load speed ---/min .... revolutions or reciprocation per minute – WARNING – To reduce the risk of injury, user must read instruction manual. WARNING 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 fi lter out microscopic particles.

SPECIFIC SAFETY RULES AND SYMBOLS

1. Hold power tools by insulated gripping surfaces,

when performing an operation where the fastener may contact hidden wiring. Fasteners contacting a “live” wire may make exposed metal parts of the power tool “live” and could give the operator an electric shock.

2. ALWAYS wear ear protectors when using the tool

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

3. NEVER place hands or other body parts near the drill

bit or chuck during operation. Hold the impact driver by its handle only.

Because the cordless impact driver operates by battery power, be aware of the fact that it can begin to operate at any time.

5. When working at elevated locations, clear the area

of all other people and be aware of conditions below you.

6. NEVER touch moving parts.

NEVER place your hands, fi ngers or other body parts near the tool’s moving parts.

7. 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.

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

1. NEVER use this impact driver handle for any

application other than those in this manual.

2. NEVER place hands or other body parts near the drill

bit or chuck during operation. Hold the impact driver by its handle only.

3. When working in high places, always make sure that

ther is no one below before starting to work.

4. ALWAYS wear eye and ear protection when you work.

5. ALWAYS install the driver bit securely. A loose bit is

dangerous because it can come loose while you are working.

6. ALWAYS use the driver bit that matches the screw

7. ALWAYS have the screw you are screwing in and

this impact driver in a straight line. Working with this impact driver at an angle to the screw can damage the screw head and will not give the prescribed tightening torque.

WARNING 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 UC18YKSL.

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 BSL18 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 fi re, 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 fi re 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 specifi ed in Table 1. Table 1

AC Input Rating Amperes* AWG Size of Cord Equal to or greater than but less than Length of Cord, Feet (Meter) 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: 1,250 watts = 10 amperes 125 volts

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.

CAUTION ON LITHIUM-ION BATTERY

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 the

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.

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 qualifi ed serviceman.

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

qualifi ed serviceman when service or repair is required. Incorrect reassembly may result in a risk of electric shock or fi re.

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.

BATTERY CHARGER You must charge the battery before you can use the power tool. Before using the model UC18YKSL battery charger, be sure to read all instructions and cautionary statements on it, the battery and in this manual. CAUTION

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 fi re.

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.

7. If the battery charging fails to complete even when a

specifi ed 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 fi re immediately when leakage or foul

10. Do not use in a location where strong static electricity

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 fi nd rust, foul odor, overheating, discolor,

deformation, and/or other irregularities when using the battery for the fi rst time, do not use and return it to your supplier or vendor. WARNING If an electrically conductive foreign object enters the terminals of the lithium ion battery, a short-circuit may occur resulting in the risk of fi re. Please observe the following matters when storing the battery.

Do not place electrically conductive cuttings, nails, steel wire, copper wire or other wire in the storage case.

Either install the battery in the power tool or store by securely pressing into the battery cover until the ventilation holes are concealed to prevent short-circuits (See Fig. 3).

REGARDING LITHIUM-ION BATTERY

TRANSPORTATION When transporting a lithium-ion battery, please observe the following precautions. WARNING Notify the transporting company that a package contains a lithium-ion battery, inform the company of its power output and follow the instructions of the transportation company when arranging transport.

Lithium-ion batteries that exceed a power output of 100Wh are considered to be in the freight classifi cation of Dangerous Goods and will require special application procedures.

For transportation abroad, you must comply with international law and the rules and regulations of the destination country.

SAVE THESE INSTRUCTIONS

AND OWNERS OF THIS TOOL!

English 0000WH18DBFL2.indb80000WH18DBFL2.indb8 2017/08/2212:10:292017/08/2212:10:29FUNCTIONAL 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 fi rst read and understood all safety instructions contained in this manual. Some illustrations in this Instruction Manual may show details or attachments that diff er from those on your own power tool.

2. Battery 3. Battery Charger

Battery Latch Ventilation holes Terminals Battery cover Battery Latch Ventilation holes Terminals Battery cover Body Cord Nameplate Guide rail Pilot lamp

1. Cordless Impact Driver

Model WH18DBFL2 No-load speed 0 – 3,100 /min Capacity Small screw 5/32" (M4) – 5/16" (M8) Ordinary bolt 3/16" (M5) – 5/8" (M16) High tension bolt 3/16" (M5) – 15/32" (M12) Tightening torque Maximum 1,522 in-lbs {172 N∙m 1,754 kgf∙cm} Tightening is 5/8" (M16) high tension bolt, when fully charged at 68°F (20°C) temp. Tightening time: 3 sec. Bit shank size 1/4" (6.35 mm) Hex. Battery Model BSL1815 (1.5 Ah) BSL1830C (3.0 Ah) Type Li-ion battery Voltage DC 18 V Weight 2.9 lbs. (1.3 kg)

Model UC18YKSL Input power source Single phase: AC 120 V 60 Hz Charging time (At a temperature of 68°F (20°C)) BSL1830C : Approx. 90 min BSL1815 : Approx. 40 min Charging voltage DC 14.4 – 18 V Charging current DC 2.0 A Weight 0.8 lbs. (0.35 kg) NOTE: The charging time may vary according to temperature and power source voltage.

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) 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. Battery Charger Pilot lamp Fig. 6

When the battery is inserted into the battery charger, charging will commence and the pilot lamp will light in red. (See Table 2) NOTE If the pilot lamp does not light or blink 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) (1) Pilot lamp indication The indications of the pilot lamp will be as shown in Table 2, according to the condition of the charger or the rechargeable battery. APPLICATIONS

Driving and removing of machine screws, wood screws, tapping screws, etc.

REMOVAL AND INSTALLATION METHOD

Hold the handle tightly and push the battery latch to remove the battery (see Fig. 5). CAUTION Never short-circuit the battery.

2. Battery installation

Insert the battery while observing its polarities (see Fig. 5). Battery Push Pull out Insert Handle Latch Fig. 5 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. WARNING 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 up.

English 0000WH18DBFL2.indb110000WH18DBFL2.indb11 2017/08/2212:10:302017/08/2212:10:30Table 2 Indications of the pilot lamp Pilot lamp (red) Before charging Blinks Lights for 0.5 seconds. Does not light for

0.5 seconds. (off for 0.5 seconds)

While charging Lights Lights continuously Charging complete Blinks Lights for 0.5 seconds. Does not light for

0.5 seconds. (off for 0.5 seconds)

Overheat standby Blinks Lights for 1 second. Does not light for 0.5 seconds. (off for 0.5 seconds) Battery overheated. Unable to charge. (Charging will commence when battery cools) Charging impossible Flickers Lights for 0.1 seconds. Does not light for

0.1 seconds. (off for 0.1 seconds)

Malfunction in the battery or the charger (2) 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 Recharging ranges of batteries Rechargeable batteries Temperatures at which the battery can be recharged

32°F–122°F (0°C–50°C) (3) Regarding recharging time (At 68°F (20°C)) Table 4 Charging time Charger Battery UC18YKSL BSL1830C Approx. 90 min. BSL1815 Approx. 40 min. NOTE The charging time may vary according to temperature and power source voltage. 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 fi rst 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 (1) 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. (2) 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 continuosly used, the battery charger will be 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 charged while it is heated because it has been left for a long time in a location subject to direct sunlight or because the battery has just been used, the pilot lamp of UC18YKSL charger lights for 1 second, does not light for 0.5 seconds (off for 0.5 seconds). The battery will not be recharged. In such a case, let the battery cool before charging.

English 0000WH18DBFL2.indb120000WH18DBFL2.indb12 2017/08/2212:10:302017/08/2212:10:30● When the pilot lamp fl ickers (at 0.2-second intervals), check for and take out any foreign objects in the charger’s battery connector. If there are no foreign objects, it is probable that the battery or charger is malfunctioning. Take it to your authorized Service Center. BEFORE USE 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. OPERATION

1. Installing the bit

Always follow the following procedure to install driver bit. (Fig. 7) Driver bit Hexagonal hole in the anvil Guide sleeve Movement Fig. 7 (1) Pull the guide sleeve forward. (2) Insert the bit into the hexagonal hole in the anvil. (3) Release the guide sleeve and it returns to its origianl position. CAUTION If the guide sleeve does not return to its original position, then the bit is not installed properly.

Please do the opposite point on the method of installing bit.

3. Confi rm that the battery is mounted correctly.

4. Check the rotational direction.

The bit rotates clockwise (viewed from the rear side) by pushing the R-side of the pushing button. The L-side of the pushing button is pushed to turn the bit counterclockwise (See Fig. 8). (The and marks are provided on the body.) push push Trigger switch Pushing button marks marks Fig. 8 CAUTION The pushing button can not be switched while the power tool is turning. To switch the pushing button, stop the power tool, then set the pushing button. 5 Switch operation

When the trigger switch is depressed, the tool rotates. When the trigger is released, the tool stops.

The rotational speed can be controlled by varying the amount that the trigger switch is pulled. Speed is low when the trigger switch is pulled slightly and increases as the trigger switch is pulled more.

When releasing the trigger of the switch, the brake will be applied for immediate stopping. NOTE A buzzing noise is produced when the motor is about to rotate; this is only a noise, not a machine failure.

The hook is used to hang up the power tool to your waist belt while working. CAUTION

When using the hook, hang up the power tool fi rmly not to drop accidentally. If the power tool is dropped, it may lead to an accident.

When electing to carry the tool hooked to your hip belt, make sure to detach the tool bit and side handle. Failure to do so may result in unexpected injury.

Install securely the hook. Unless the hook is securely installed, it may cause an injury while using.

English 0000WH18DBFL2.indb130000WH18DBFL2.indb13 2017/08/2212:10:302017/08/2212:10:30As the remaining battery indicator shows somewhat diff erently depending on ambient temperature and battery characteristics, read it as a reference. Display panel Switch trigger Remaining battery indicator lamp Fig. 11 NOTE Do not give a strong shock to the display panel or break it. It may lead to a trouble.

8. How to use the LED light

While the switch is pulled, the LED light will automatically light up the tip portion of the tool. (Fig. 12) The LED light will automatically turn off 10 seconds after the switch is released. Switch trigger Fig. 12 CAUTION

Do not expose directly your eye to the light by looking into the light. If your eye is continuously exposed to the light, your eye will be hurt.

Wipe off any dirt or grime attached to the lens of the LED light with a soft cloth, being careful not to scratch the lens. Scratches on the lens of the LED light can result in decreased brightness. (1) Removing the hook. Remove the screws fi xing the hook with Philips screw driver. (Fig. 9) Hook Screw Groove Fig. 9 (2) Replacing the hook and tightening the screws. Install securely the hook in the groove of power tool and tighten the screws to fi x the hook fi rmly. (Fig. 10) Screw Hook Groove Fig. 10

7. About Remaining Battery Indicator

Remaining battery power can be verifi ed by pulling on the switch to light up the remaining battery indicator lamp. (Fig. 11) The indicator lamp will turn off 10 seconds after the switch is released. The Table 5 shows the state of remaining battery indicator lamp and the battery remaining power. Table 5 State of lamp Battery Remaining Power The battery remaining power is enough. The battery remaining power is a half. The battery remaining power is nearly empty. Re-charge the battery soonest possible.

English 0000WH18DBFL2.indb140000WH18DBFL2.indb14 2017/08/2212:10:312017/08/2212:10:31tightening. In this case, stop impact on the nut and hold the bolt head with a wrench before restarting impact, or manually tighten the bolt and nut to prevent them slipping.

11. LED light warning signals (Fig. 13)

This product features functions that are designed to protect the tool itself as well as the battery. While the switch is pulled, if any of the safeguard functions activate during operation, the LED light will blink as described in Table 6. When any of the safeguard functions are triggered, immediately remove your fi nger from the switch and follow the instructions described under corrective action. Fig. 13

9. Tightening and loosening screws

Install the bit that matches the screw, line up the bit in the grooves of the head of the screw, then tighten it. Push the impact driver just enough to keep the bit fi tting the head of the screw. CAUTION

Applying the impact driver for too long tightens the screw too much and can break it.

Tightening a screw with the impact driver at an angle to that screw can damage the head of the screw and the proper force will not be transmitted to the screw. Tighten with this impact driver lined up straight with the screw.

10. Tightening and loosening bolts

A hex. socket matching the bolt or nut must fi rst be selected. Then mount the socket on the anvil, and grip the nut to be tightened with the hex. socket. Holding the tool in line with the bolt, press the power switch to impact the nut for several seconds. If the nut is only loosely fi tted to the bolt, the bolt may turn with the nut, therefore mistaking proper Table 6 Safeguard Function LED Light Display Corrective Action Overburden Protection On 0.1 second/off 0.1 second Remove the cause of the overburdening. Temperature Protection On 0.5 second/off 0.5 second Allow the tool and battery to thoroughly cool. OPERATIONAL CAUTIONS

1. Resting the unit after continuous work

After use for continuous bolt-tightening work, rest the unit for 15 minutes or so when replacing the battery. The temperature of the motor, switch, etc., will rise if the work is started again immediately after battery replacement, eventually resulting in burnout. CAUTION Do not touch the metal parts, as it gets very hot during continuous work.

2. Cautions on use of the speed control switch

This switch has a built-in, electronic circuit which steplessly varies the rotation speed. Consequently, when the switch trigger is pulled only slightly (low speed rotation) and the motor is stopped while continuously driving in screws, the components of the electronic circuit parts may overheat and be damaged.

3. Use a tightening time suitable for the screw

The appropriate torque for a screw diff ers according to the material and size of the screw, and the material being screwed etc., so please use a tightening time suitable for the screw. In particular, if a long tightening time is used in the case of screws smaller than 5/16" (M8), there is a danger of the screw breaking, so please confi rm the tightening time and the tightening torque beforehand.

4. Work at a tightening torque suitable for the bolt under

impact The optimum tightening torque for nuts or bolts diff ers with material and size of the nuts or bolts. An excessively large tightening torque for a small bolt may stretch or break the bolt. The tightening torque increases in proportion to the operation time. Use the correct operating time for the bolt.

Hold the tool fi rmly with both hands. In this case hold the tool in line with the screw or bolt. It is not necessary to push the tool very hard. Hold the tool with a force just suffi cient to counteract the impact force.

English 0000WH18DBFL2.indb150000WH18DBFL2.indb15 2017/08/2212:10:312017/08/2212:10:316. Confi rm the tightening torque The following factors contribute to a reduction of the tightening torque. So confi rm the actual tightening torque needed by screwing up some bolts before the job with a hand torque wrench. Factors aff ecting the tightening torque are as follows. (1) Voltage When the discharge margin is reached, voltage decreases and tightening torque is lowered. (2) Operating time The tightening torque increases when the operating time increases. But the tightening torque does not increase above a certain value even if the tool is driven for a long time. (3) Diameter of bolt The tightening torque diff ers with the diameter of the bolt. Generally a larger diameter bolt requires larger tightening torque. (4) Tightening conditions The tightening torque diff ers according to the torque ratio; class, and length of bolts even when bolts with the same size threads are used. The tightening torque also diff ers according to the condition of the surface of workpiece through which the bolts are to be tightened. When the bolt and nut turn together, torque is greatly reduced. (5) Tightening torque varies, depending on the battery’s charge level.

MAINTENANCE AND INSPECTION

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

. Checking the condition of the bit The bits should be checked regularly. If worn or broken bits can slip or decrease the effi ciency of the motor and burn it out. Replace worn bits with new ones. CAUTION If you use a driver bit of which point is worn or broken, it will be dangerous since it slips. So replace it with a new one.

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

3. Maintenance of the motor

The motor unit winding is the very “heart” of the power tool. Exercise due care to ensure the winding does not become damaged and/or wet with oil or water.

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

5. Disposal of the exhausted battery

WARNING 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 offi cials 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. NOTE Storing lithium-ion batteries Make sure the lithium-ion batteries have been fully charged before storing them. Prolonged storage (3 months or more) of batteries with a low charge may result in performance deterioration, signifi cantly reducing battery usage time or rendering the batteries incapable of holding a charge. However, signifi cantly reduced battery usage time may be recovered by repeatedly charging and using the batteries two to fi ve times. If the battery usage time is extremely short despite repeated charging and use, consider the batteries dead and purchase new batteries.

7. 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 authorized replacement parts will be used, all service and repairs must be performed by a HITACHI AUTHORIZED SERVICE CENTER, ONLY.

English 0000WH18DBFL2.indb160000WH18DBFL2.indb16 2017/08/2212:10:312017/08/2212:10:318. Service parts list CAUTION Repair, modifi cation 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 modifi ed to incorporate the latest technological advancements. Accordingly, some parts may be changed without prior notice. Important notice on the batteries for the Hitachi cordless power tools Please always use one of our designated genuine batteries. We cannot guarantee the safety and performance of our cordless power tool when used with batteries other than these designated by us, or when the battery is disassembled and modifi ed (such as disassembly and replacement of cells or other internal parts). TROUBLESHOOTING GUIDE WARNING

To avoid injury from an accidental start, turn the switch OFF and remove the plug from the power source or remove the battery from the main body before making any adjustments.

All electrical or mechanical repairs should be done only by qualifi ed service technicians. Contact Hitachi Authorized Service Center. Problem Possible Cause Possible Solution Tool doesn’t run No remaining battery power Charge the battery. The trigger switch was held down while the battery was inserted. The safety function was activated. If the trigger switch is released once and then pulled again, the tool will run. Tool suddenly stopped Tool was overburdened Get rid of the problem causing the overburden. The battery is overheated. Let the battery cool down. The trigger switch was held down for 5 minutes or more. This is not a malfunction. The motor was automatically stopped to prevent failure of the tool. Tool bits -can’t be attached -fall off The shape of the attachment portion doesn’t match Use a bit with a hexagonal shaft that has a width across fl ats of 6.35 mm. If you are using an L- type tool bit, replace it with an S-type bit. Switch can’t be pulled Forward/reverse selector button is positioned halfway Press the button fi rmly into position for the desired direction of rotation. An abnormal high-pitched noise occurs when the trigger switch is pulled. The trigger switch is being pulled only slightly. This is not a malfunction. It does not occur if the trigger switch is pulled more fully. Screw head slips or comes loose. Bit number doesn’t match with the screw size Install a suitable bit. The bit is worn Replace with a new bit.

English 0000WH18DBFL2.indb170000WH18DBFL2.indb17 2017/08/2212:10:312017/08/2212:10:31ACCESSORIES WARNING 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 WH18DBFL2 (2LEGK)

2"(50mm) Bit No. Code No. No.2 992671 No.3 992672

Use the drill available on the market. NOTE Specifi cations are subject to change without any obligation on the part of the HITACHI.

28 HOUSING (A).(B) SET 1