Hikoki WF18DSL Screwdriver Handling Instructions PDF

WF 14DSL WF 18DSL

Cordless Automatic Screw Driver

Read through carefully and understand these instructions before use.

Handling instructions

WF14DSL

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1 Rechargeable battery 2 Latch 3 Battery cover 4 Terminal 5 Ventilator 6 Push 7 Pull out 8 Handle 9 Charger 0 Charging time indicator lamp ! Rubber cover @ USB port # USB cable $ Trigger switch % Selector button ^ and marks & Guide block * Arrow mark ( Lever ) Stopper q Slider w The tip of a bit e Slider case r Depth adjuster knob t Belt guide y Collated screw strips u Set on screw forward i Screw in position o 1 screw forward p Release button

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a Screw feed attachment s Driver bit No.2 (136L) d Socket hexagonal hole f Guide sleeve g Wall h Screw j Guide to prevent damage to wall k 15 mm over l Sheet ; Protrusion z Screw x Hook c Groove v Remaining battery indicator switch b Remaining battery indicator lamp n Wear limit m Nail of carbon brush , Protrusion of carbon brush . Contact portion outside brush tube

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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, 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. 1) Work area safety

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 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. Unmodi 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. 3) 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 in 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 o -position before connecting to power source and/or battery pack, picking up or carrying the tool.

Carrying power tools with your 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 o . 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 a ect the power tools 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 di erent from those intended could result in a hazardous situation.

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5) Battery tool use and care a) Recharge only with the charger speci ed by

the manufacturer. A charger that is suitable for one type of battery

pack may create a risk of re when used with another battery pack.

b) Use power tools only with speci cally designated battery packs.

Use of any other battery packs may create a risk of injury and 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 re.

d) Under abusive conditions, liquid may be ejected from the battery; avoid contact. If contact accidentally occurs, ush with water. If liquid contacts eyes, additionally seek medical help.

Liquid ejected from the battery may cause irritation or burns.

6) Service a) Have your power tool serviced by a quali ed

repair person using only identical replacement parts.

This will ensure that the safety of the power tool is maintained.

PRECAUTION Keep children and in rm persons away. When not in use, tools should be stored out of reach of children and in rm persons.

PRECAUTIONS FOR CORDLESS AUTOMATIC SCREWDRIVER 1. Hold power tool 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. Do not allow foreign matter to enter the hole for connecting the rechargeable battery.

3. Never disassemble the rechargeable battery and charger.

4. Never short-circuit the rechargeable battery. Short- circuiting the battery will cause a great electric current and overheat. It results in burn or damage to the battery.

5. Do not dispose of the battery in re. If the battery is burnt, it may explode. 6. Bring the battery to the shop from which it was

purchased as soon as the post-charging battery life becomes too short for practical use. Do not dispose of the exhausted battery.

7. Using an exhausted battery will damage the charger. 8. Do not insert object into the air ventilation slots of the

charger. Inserting metal objects or in ammables into the charger

air ventilation slots will result in electrical shock hazard or damaged charger.

9. When mounting a bit into the keyless chuck, tighten the sleeve adequately. If the sleeve is not tight, the bit may slip or fall out, causing injury.

10. This automatic screwdriver is designed for tightening and loosening screws. Use it only for these operation.

11. One-hand operation is extremely dangerous; hold the unit rmly with both hands when operating.

12. Use original bits speci cally for the automatic screwdriver.

Use no bits other than the original bits speci cally for the automatic screwdriver. Use of any other bit can result in screws sticking out and screw feed malfunctioning.

13. After installing the driver bit, pull lightly out the bit to make sure that it does not come loose. If the bit is not installed properly, it can come loose during use, which can be dangerous.

14. Screw in screws with the main unit held straight. If the driver is slanted relative to the screw, the screw

head can be damaged and the bit worn. Moreover, the prescribed torque is not transmitted to the screw, resulting in screws left sticking out. Place the drive straight against the screw and screw in.

15. Use the prescribed screws. Do not use any other screws. They can cause abnormal

work (screws fallen over or sticking out) and break downs (screw jamming and bit wear).

16. Protect your eyes with protective glasses. Always wear protective glasses while working. Drilling

scatters plaster powder and tape dust, which are dangerous if they get into your eyes.

17. Watch out for wires and pipes in walls and ceilings. When working on oors, walls, or ceilings, check for

wires and pipes ahead of time. Work carefully to avoid shocks and explosions.

18. When the screw feed attachment is removed, always use the correct driver bit for the screw size.

19. When the screw feed attachment is removed, if the screwdriver is positioned at an angle against the tightening screw, the head of the screw may be damaged or the xed tightening force will not transfer to the screw. Always position the tightening screw and the screwdriver at a straight angle and then tighten the screw.

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

battery. 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.

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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 battery.

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 those

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

speci 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 re 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 nd rust, foul odor, overheating, discolor,

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

WARNING If a conductive foreign matter enters in the terminal of lithium ion battery, the battery may be shorted, causing re. When storing the lithium ion battery, obey surely the rules of following contents. Do not place conductive debris, nail and wires

such as iron wire and copper 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. 1).

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 classi 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.

Wh Power Output

2 to 3 digit number

USB DEVICE CONNECTION PRECAUTIONS (ONLY WITH UC18YSL3 CHARGER) When an unexpected problem occurs, the data in a USB device connected to this product may be corrupted or lost. Always make sure to back up any data contained in the USB device prior to use with this product. Please be aware that our company accepts absolutely no responsibility for any data stored in a USB device that is corrupted or lost, nor for any damage that may occur to a connected device. WARNING Prior to use, check the connecting USB cable for any

defect or damage. Using a defective or damaged USB cable can cause

smoke emission or ignition. When the product is not being used, cover the USB port

with the rubber cover. Buildup of dust etc. in the USB port can cause smoke

emission or ignition. NOTE There may be an occasional pause during USB

recharging. When a USB device is not being charged, remove the

USB device from the charger. Failure to do so may not only reduce the battery life

of a USB device, but may also result in unexpected accidents.

It may not be possible to charge some USB devices, depending on the type of device.

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SPECIFICATIONS POWER TOOL Model WF14DSL WF18DSL No-load speed 4200 /min

Capacity Screw size 4 mm Screw length 25 41 mm

Bit shank size 6.35 mm Hex.

Rechargeable battery BSL1430:

Li-ion 14.4 V (3.0 Ah 8 cells)

BSL1440: Li-ion 14.4 V

(4.0 Ah 8 cells)

BSL1450: Li-ion 14.4 V

(5.0 Ah 8 cells)

BSL1830: Li-ion 18 V

(3.0 Ah 10 cells)

BSL1840: Li-ion 18 V

(4.0 Ah 10 cells)

BSL1850: Li-ion 18 V

(5.0 Ah 10 cells)

BSL1860: Li-ion 18 V

(6.0 Ah 10 cells) Weight 2.0 kg 2.1 kg

CHARGER Model UC18YFSL UC18YSL3 Charging voltage 14.4 V 18 V Weight 0.5 kg 0.6 kg

STANDARD ACCESSORIES (1) Screw feed attachment ................................................ 1 (Assembled in main body) (2) No. 2 Plus Bit ................................................................ 3 (Assembled in main body : 1) (3) Sheet ............................................................................ 3 (Assembled in main body : 1) (4) Plastic case .................................................................. 1 (5) Battery cover ................................................................ 2

Standard accessories are subject to change without notice.

OPTIONAL ACCESSORIES (sold separately) Battery

(BSL1430) (BSL1440) (BSL1450)

(BSL1830) (BSL1840) (BSL1850) (BSL1860)

Optional accessories are subject to change without notice.

APPLICATIONS Screw driving into indoor gypsum board.

BATTERY REMOVAL/INSTALLATION 1. Battery removal Hold the handle tightly and push the battery latch to

remove the battery (see Figs. 1 and 2). CAUTION Never short-circuit the battery. 2. Battery installation Insert the battery while observing its polarities (see

Fig. 2).

CHARGING Before using the power tool, charge the battery as follows. 1. Connect the charger's power cord to the

receptacle. When connecting the plug of the charger to a

receptacle, the pilot lamp will blink in red (At 1-second intervals).

When connecting the plug of the charger to a

receptacle, the charge indicator lamp will blink in red (At 1-second intervals).

CAUTION Do not use the electrical cord if damaged. Have it

repaired immediately. 2. Insert the battery into the charger. (Fig. 3) Firmly insert the battery into the charger. 3. Charging When inserting a battery in the charger, the pilot lamp

will light up continuously in red. When the battery becomes fully recharged, the pilot

lamp will blink in red (At 1-second intervals). (See Table 1-a)

Pilot lamp indication The indications of the pilot lamp will be as shown in

Table 1-a, according to the condition of the charger or the rechargeable battery.

When inserting a battery in the charger, the charge

indicator lamp will blink in blue. When the battery becomes fully recharged, the charge

indicator lamp will light up in green. (See Table 1-b) Charge indicator lamp indication The indications of the charge indicator lamp will be as

shown in Table 1-b, according to the condition of the charger or the rechargeable battery.

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Table 1-a Indications of the pilot lamp

Pilot lamp (red)

Before charging Blinks

Lights for 0.5 seconds. Does not light for 0.5 seconds. (o for 0.5 seconds)

While charging Lights Lights continuously

Charging complete Blinks

Lights for 0.5 seconds. Does not light for 0.5 seconds. (o for 0.5 seconds)

Charging impossible Flickers

Lights for 0.1 seconds. Does not light for 0.1 seconds. (o for 0.1 seconds) Malfunction in the battery or the

charger

Overheat standby Blinks

Lights for 1 seconds. Does not light for 0.5 seconds. (o for 0.5 seconds)

Battery overheated. Unable to charge. (Charging will commence when battery cools)

NOTE: When standby for cooling battery, UC18YFSL cools the overheated battery by cooling fan.

Table 1-b Indications of the charge indicator lamp

Charge indicator lamp (red / blue / green / purple)

Before charging

Blinks (red)

Lights for 0.5 seconds. Does not light for 0.5 seconds. (o for 0.5 seconds) Plugged into power source

While charging

Blinks (blue)

Lights for 0.5 seconds. Does not light for 1 second. (o for 1 second) Battery capacity at less than 50%

Blinks (blue)

Lights for 1 second. Does not light for 0.5 seconds. (o for 0.5 seconds) Battery capacity at less than 80%

Lights (blue)

Lights continuously Battery capacity at more than 80%

Charging complete

Lights (green)

Lights continuously

(Continuous buzzer sound: about 6 seconds)

Overheat standby

Blinks (red)

Lights for 0.3 seconds. Does not light for 0.3 seconds. (o for 0.3 seconds)

Battery overheated. Unable to charge. (Charging will commence when battery cools)

Charging impossible

Flickers (purple)

Lights for 0.1 seconds. Does not light for 0.1 seconds. (o for 0.1 seconds)

(Intermittent buzzer sound: about 2 seconds)

Malfunction in the battery or the charger

NOTE: When standby for cooling battery, UC18YSL3 cools the overheated battery by cooling fan.

(3) Regarding recharging time Depending on the combination of the charger and

batteries, the charging time will become as shown in Table 3.

Table 3 Charging time (At 20C) Charger

Battery UC18YFSL UC18YSL3

BSL1430, BSL1830 Approx. 45 min. Approx. 20 min. BSL1440, BSL1840 Approx. 60 min. Approx. 26 min. BSL1450, BSL1850 Approx. 75 min. Approx. 32 min. BSL1860 Approx. 90 min. Approx. 38 min.

NOTE The recharging time may vary according to the ambient

temperature and power source voltage.

(2) Regarding the temperatures of the rechargeable battery

The temperatures for rechargeable batteries are as shown in Table 2, and batteries that have become hot should be cooled for a while before being recharged.

Table 2 Recharging ranges of batteries

Rechargeable batteries Temperatures at which the battery can be recharged

BSL1430, BSL1440, BSL1450, BSL1830, BSL1840, BSL1850, BSL1860

0C 50C (UC18YFSL) -10C 50C (UC18YSL3)

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CAUTION When the battery charger has been continuously 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.

4. Disconnect the chargers power cord from the receptacle.

5. Hold the charger rmly and pull out the battery. NOTE Be sure to pull out the battery from the charger after

use, and then keep it. 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 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 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 UC18YFSL charger lights for 1 second, does not light for 0.5 seconds (o for 0.5 seconds), or the charge indicator lamp of UC18YSL3 charger lights for 0.3 seconds, does not light for 0.3 seconds (o for 0.3 seconds). In such a case, rst let the battery cool, then start charging.

When the pilot lamp or charge indicator lamp ickers in red (at 0.2-second intervals), check for and take out any foreign objects in the chargers 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.

Since the built-in micro computer takes about 3 seconds to con rm that the battery being charged with charger is taken out, wait for a minimum of 3 seconds before reinserting it to continue charging. If the battery is reinserted within 3 seconds, the battery may not be properly charged.

If the pilot lamp or charge indicator lamp does not blink in red (every second) even though the charger cord is connected to the power, it indicates that the protection circuit of the charger may be activated.

Remove the cord from the power and then connect it again after 30 seconds or so. If this does not cause the pilot lamp or charge indicator lamp to blink in red (every second), please take the charger to the HiKOKI Authorized Service Center.

HOW TO RECHARGE USB DEVICE (ONLY WITH UC18YSL3 CHARGER) (1) Select a charging method Depending on the charge method selected, either the

battery is inserted into the charger or the power cord is plugged into an outlet. Charging a USB device from an electrical outlet

(Fig. 4-a) Charging a USB device and battery from an

electrical outlet (Fig. 4-b) (2) Connect the USB cable. (Fig. 5) Pull back the rubber cover and rmly plug in a

commercially available USB cable (appropriate to the device being charged) into the USB port.

(3) When charging is completed To verify charge status, check the USB device. Unplug the power cord from the electrical outlet. Place the rubber cover over the USB port.

PRIOR TO OPERATION 1. Setting up and checking the work environment Check if the work environment is suitable by following

the precautions. 2. Preparing the screws Select screws appropriate to the application. 3. Bit checking and replacement A No. 2 Plus bit is installed on this machine as a

standard accessory. Always inspect the bit to make sure it is not damaged. Using worn bits can cause screw-in malfunctions. Inspect the bit before work and quickly replace it with a new one when it starts to wear out. When the bit must be replaced due to bit damage or any other reason, replace it according to the instructions in Bit installation and removal.

SWITCH ACTION (FIG. 6) CAUTION Before inserting the battery cartridge into the tool,

always check to see that the switch trigger actuates properly and returns to the OFF position when released.

To start the tool, simply pull the switch trigger. Release the switch trigger to stop. Reversing switch action (Fig. 7) This tool has a reversing switch to change the direction

of rotation. Depress the reversing switch lever from the side for clockwise rotation or from the side for

counterclockwise rotation. When the reversing switch lever is in the neutral

position, the switch trigger cannot be pulled. Pulling the switch trigger rotates the motor, but the bit

does not rotate. The bit rotates and tightens a screw when the tip of the bit is pressed against the groove on the screw head.

CAUTION Always check the direction of rotation before operation. Use the reversing switch only after the tool comes to

a complete stop. Changing the direction of rotation before the tool stops may damage the tool.

When not operating the tool, always set the reversing switch lever to the neutral position.

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ADJUSTING THE SCREW LENGTH AND SCREW-IN DEPTH 1. Set the screw length (Fig. 8) Set the screw length on this unit by sliding the guide

block. (1) Slide the guide block while holding down the lever and

align the arrow on the guide block with the number on the stopper to match the screw length.

(2) Find the screw length and screw guide position by checking the table below.

STOPPER NUMBER SCREW LENGTH 28 25 28 mm 32 32 35 mm 41 38 41 mm

2. Adjust the screw-in depth (Fig. 9) Adjust the screw-in depth on this unit by turning the

depth adjuster knob. (1) Press the slider all the way in to the slider case.

Then rotate the depth adjuster knob so that the bit tip protrudes about 5 mm.

(2) Try driving a screw and make ne adjustments as needed. To make the ne adjustment, rotate towards A (counterclockwise) if the screw head is too high after screw-in. If the screw head is too low after screw-in, then rotate towards B (clockwise).

INSTALLING AND REMOVING THE SCREW STRIP 1. Install (Fig. 10) (1) Insert the tip of the linked screw strip into the belt guide

groove (A section). (2) Insert the tip of the tape into the slider groove (B

section) and press inwards in the arrow direction. (3) Set so the screw on the strip is just prior (1 screw width)

to the screw-in position (Fig. 11, Fig. 12). CAUTION Set the screw strip securely inside. If not set securely,

the bit might scratch the board surface (low feed pressure) or the screw might be wasted (too much feed pressure).

2. Removal (Fig. 13) (1) If you run out of screws on the tape or want to remove a

screw strip during a job, pull in the direction of the arrow as shown in the gure to remove.

(2) You can return the screw strip in the opposite direction by pressing the reverse button.

INSTALLING AND REMOVING THE BIT CAUTION To prevent the chance of an accident, always turn o

the power switch and remove the battery from the body. NOTE When replacing the bit be sure to install it securely so it

will not come loose or fall out later. 1. Removing the screw strip attachment Grip the unit securely with one hand. With your other

hand, rotate the screw strip attachment in the direction of the arrow in Fig. 14. Next pull in the direction of the arrow in Fig. 15 and remove.

NOTE This will be hard to remove if the lath or plaster powder

attaches near the attachment slot. Clean this section carefully to prevent the lath or plaster powder from adhering here.

2. Attaching and removing the bit (Fig. 16) No bits other than plus driver (Phillips) bits (No. 2, 136

mm long) can be used for screw strip tightening jobs. Attach the bits securely using the following procedure. Move the guide sleeve to the top edge, feed the bit into

hexagonal hole on the anvil and then release the guide sleeve.

To remove, perform the above procedure in reverse order.

NOTE The bit was not installed correctly (securely) if the

guide sleeve will not return to its original position. Keep inserting the bit inside the hexagonal socket head hole until it makes contact.

3. Installing the screw strip attachment Install using the steps in 1. Removing the screw strip

attachment in reverse order.

HOW TO USE CAUTION Always use safety goggles during the work.

Adjust the rotation direction to the clockwise . 1. How to operate Press the unit straight up against the work and pull the

switch trigger to automatically feed and tighten the screws (Fig. 17).

NOTE Place this unit straight up against the work during

screw-tightening. Using the unit while at an angle to the work might damage the screw head or cause bit wear. Also the proper tightening torque will not be transmitted to the screw and might cause the screw to seat improperly.

Press rmly on the unit until the screw tightening is complete. Loosening the pushing pressure on the unit might cause the screw to seat improperly.

When driving the screw, avoid hitting the unit as pushing in.

This could prevent the screw from being sent normally. Attempting to tighten one screw on top of another will

cause the screw to fall or stop the screw feed so use caution.

Driving blanks During continuous screw tightening, you might not

notice you have run out of screws and continue to operate the unit. Driving without any screws will cause the bit to damage the lath or plaster board, so do the screw tightening while checking the number of screws remaining.

If the slider does not move smoothly, try cleaning the sliding surfaces with an air gun, etc.

2. Using in corners (Fig. 18) Unit can drive screws at positions as close as 15 mm

from the wall. NOTE Do not attempt to drive screws when closer to the wall

than 15 mm. Do not drive screws while the slider case is in contact

with the wall. Damaging the screw head causes bit wear. The proper tightening torque is not transmitted to the screw if the screw head or bit is worn. This might also cause the screw not to seat properly and might cause this unit to break.

3. Removing the screws The tightened screws can be removed by rotating them

for the reverse rotation (counterclockwise). Properly install the bit against the groove on the screw

head, and pull the switch trigger while depressing the bit against the groove vertically.

0000Book_WF14DSL.indb 12 2017/12/07 17:33:59

13

Or, depress the bit against the groove on the screw head vertically while pulling the switch trigger.

4. When the slider wont move smoothly If the slider will not move smoothly, try cleaning the

sliding surfaces of the slider and slider case with an air gun, etc. (Fig. 19).

NOTE The unit tends to easily become covered with lath or

plaster board dust during jobs where it faces upwards. Clean the sliding surfaces at regular periods during the work task.

5. Attaching the sheet If the sheet has been damaged and cannot be used,

please replace the sheet with attached one. Attach the sheet by inserting the holes on the sheet on the two protrusions on the stopper (Fig. 20).

6. Using the hook 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 rmly not

to drop accidentally. If the power tool is dropped, it may lead to an accident. When carrying the power tool with hooked to your waist

belt, do not t any bit to the tip of power tool. If the sharp bit such as drill is tted to the power tool when carrying it with hooked to your waist belt, you will be injured.

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

(1) Removing the hook. Remove the screws xing the hook with Philips screw

driver. (Fig. 21) (2) Replacing the hook and tightening the screws. Install securely the hook in the groove of power tool and

tighten the screws to x the hook rmly. (Fig. 22) 7. About Remaining Battery Indicator When pressing the remaining battery indicator switch,

the remaining battery indicator lamp lights and the battery remaining power can be checked. (Fig. 23) When releasing your nger from the remaining battery indicator switch, the remaining battery indicator lamp goes o . The table 4 shows the state of remaining battery indicator lamp and the battery remaining power.

Table 4 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.

As the remaining battery indicator shows somewhat di erently depending on ambient temperature and battery characteristics, read it as a reference.

NOTE Do not give a strong shock to the switch panel or break

it.It may lead to a trouble. To save the battery power consumption, the remaining

battery indicator lamp lights while pressing the remaining battery indicator switch.

8. Con rm that the battery is mounted correctly

SCREW HANDLING NOTE Handle both the packed box of screws and the collated screw strips with care. If you drop them, screws can come out of the collated tape and cause screw feed malfunctions. Do not expose the screws to prolonged periods of direct sunlight or outside air. They can cause rust and collated tape problems, so when you will not be using the screws for awhile, put them in the screw packing box or the like.

MAINTENANCE AND INSPECTION 1. Inspecting the driver bit Using a broken bit or one with a worn out tip is dangerous

because the bit can slip. Replace it by a new one. 2. Inspecting the mounting screws Regularly inspect all mounting screws and ensure that

they are properly tightened. Should any of the screws be loose, retighten them immediately. Failure to do so could result in serious hazard.

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. 4. Inspecting the carbon brushes (Fig. 24) The motor employs carbon brushes which are

consumable parts. Since and excessively worn carbon brush can result in motor trouble, replace the carbon brush with new ones when it becomes worn to or near the wear limit. In addition, always keep carbon brushes clean and ensure that they slide freely within the brush holders.

NOTE When replacing the carbon brush with a new one,

be sure to use the HiKOKI Carbon Brush Code No. 999054.

5. Replacing carbon brushes Take out the carbon brush by rst removing the brush

cap and then hooking the protrusion of the carbon brush with a at head screw driver, etc., as shown in Fig. 26.

When installing the carbon brush, choose the direction so that the nail of the carbon brush agrees with the contact portion outside the brush tube. Then push it in with a nger as illustrated in Fig. 27. Lastly, install the brush cap.

CAUTION Be absolutely sure to insert the nail of the carbon brush

into the contact portion outside the brush tube. (You can insert whichever one of the two nails provided).

Caution must be exercised since any error in this operation can result in the deformed nail of the carbon brush and may cause motor trouble at an early stage.

6. Cleaning on the outside When the driver drill is stained, wipe with a soft dry

cloth or a cloth moistened with soapy water. Do not use chloric solvents, gasoline or paint thinner, for they melt plastics.

7. Storage Store the driver drill in a place in which the tempera ture

is less than 40C and out of 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, signi cantly reducing battery usage time or rendering the batteries incapable of holding a charge.

0000Book_WF14DSL.indb 13 2017/12/07 17:33:59

14

However, signi cantly reduced battery usage time may be recovered by repeatedly charging and using the batteries two to ve times.

If the battery usage time is extremely short despite repeated charging and use, consider the batteries dead and purchase new batteries.

8. Service parts list CAUTION Repair, modi cation and inspection of HiKOKI Power

Tools must be carried out by a HiKOKI Authorized Service Center.

This Parts List will be helpful if presented with the tool to the HiKOKI 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 HiKOKI Power Tools are constantly being improved

and modi ed to incorporate the latest technological advancements.

Accordingly, some parts may be changed without prior notice.

Important notice on the batteries for the HiKOKI 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 modi ed (such as disassembly and replacement of cells or other internal parts).

NOTE Due to HiKOKIs continuing program of research and development, the speci cations herein are subject to change without prior notice.

0000Book_WF14DSL.indb 14 2017/12/07 17:33:59

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0000Book_WF14DSL.indb 15 2017/12/