read all instructions before operating this machine …

Specifications

The specifications and design may be changed for improvement without prior notice.The specifications and design may be changed for improvement without prior notice.The specifications and design may be changed for improvement without prior notice.

Model QA-4000 QA-6500Power Source (Single Phase) 220 - 240 V AC 50 / 60 Hz 220 - 240 V AC 50 / 60 Hz

Rated Power Consumption 680 W 1010 WDrill Motor Rated Ampere 3 A 4.5 A

No-load Speed 750 min-1 (rpm) 400 / 750 min-1 (rpm)Magnet Power Consumption 50 W 75 W

Jetbroach One-touch Type Hole Diameter : Hole Diameter : 17.5 to 40 mm

17.5 to 40 mm Max. Plate thickness : 35 mmMax. Plate thickness : 35 mm 17.5 to 65 mm

Hole Max. Plate thickness : 50 mmCapacity Hibroach One-touch Type Hole Diameter : 14 to 15 mm Hole Diameter :

Max. Plate thickness : 12 mm 18 to 35 mmHole Diameter : 16 to 18 mm Max. Plate thickness : 25 mmMax. Plate thickness : 25 mm

Magnet Holding Power 6664 N (680 kgf) 9800 N (1000 kgf)Magnet Dimensions 82 mm× 172 mm 100 mm× 200 mmWeight 18.5 kg 26 kg

QA-4000 QA-6500

PORTABLE MAGNETIC DRILL

READ ALL INSTRUCTIONS BEFORE OPERATING THIS MACHINE TOOL

ATRA ACE Model QA-4000, QA-6500PROFESSIONAL TOOL For One-touch Type Annular Cutter Only

(Side Lock Type Annular Cutter Cannot Be Fitted)

Manufactured by:NITTO KOHKI Co., Ltd.2-9-4, Nakaikegami, Ohta-ku,Tokyo 146-8555, JapanTEL : (81)-3-3755-1111FAX : (81)-3-3753-8791E-mail : [email protected] : www.nitto-kohki.co.jp

Keep the manual handy - so you can use it whenever necessary.

QA4000(230V) 13.11.14, 3:22 PM Adobe PageMaker 6.0J/PPC

Thank you for purchasing NittoKohki product.Before using this tool, please readthis manual carefully to ensureproper, efficient operation.This instruction manual shouldbe kept close at hand.

1

CONTENTS

IMPORTANT SAFETY INSTRUCTIONS FOR ALL ELECTRICTOOLS ……………………………………………………… 2IMPORTANT SAFETY INSTRUCTIONS FOR PORTABLEMAGNETIC DRILL…………………………………………… 3 1. USAGE ………………………………………………… 6 2. CHECK THE CONTENTS OF THE PACKAGE …… 6 3. NAME OF PARTS……………………………………… 6 4. ELECTRIC CONTROL FUNCTIONS………………… 7 5. PREPARATION………………………………………… 7 6. HOW TO OPERATE THE TOOL …………………… 11 7. TROUBLESHOOTING………………………………… 14 8. MAINTENANCE AND INSPECTION………………… 15 9. ORDERING SERVICE PARTS ……………………… 1710. ATRA ACE QA-4000 220-240V ASSEMBLY ……… 1911. ATRA ACE QA-4000 220-240V PARTS LIST……… 2012. ATRA ACE QA-6500 220-240V ASSEMBLY ……… 2113. ATRA ACE QA-6500 220-240V PARTS LIST……… 22

PICTOGRAPH

Warning: It might be dangerous to operate the powertool if the instructions supplied are not followed.

Before operating the tool, read and understand all theinstructions supplied. Keep it for future reference.

Personal protective equipment as eye and ear protectionand protective gloves must always be used whenoperating the tool.


WARNING

IMPORTANT SAFETY INSTRUCTIONSFOR ALL ELECTRIC TOOLS

When using electric tools, basic safety precautionsshould always be followed to reduce risk of fire,electric shock, personal injury and the like, includingthe following.

(1) Keep work area clean.・Cluttered work areas and benches invite accidents and

injuries.

(2) Consider work area environment.・Do not expose tools to rain. Do not use tools in damp or

wet locations.・Keep work area well lit.・Do not operate near flammable liquids or in gaseous or

explosive atmospheres.

(3) Check the Power Source・Operate under the power source the voltage fluctuating

rate of which is within ±10% of the rated voltage, andthe frequency of which is 50/60Hz of sinusoidal wave.

(4) Be cautious about electric shock.・When using electric tools, do not touch any which is

earthed. (Ex. Pipe, heating apparatus, microwave oven,outside frame of refrigerator)

(5) Keep children away.・Also all visitors should be kept away from work area.・Do not let visitors contact the tool, or connecting cords.

(6) Store idle tools.・When not in use, tools should be stored in dry, and

locked-up places out of reach of children.

(7) Do not force tool.・It will do the job better and safer at the rate which it

was designed.

(8) Use right tool.・Do not force a small tool of attachment to do the job of

a heavy-duty tool.・Do not use tool for a purpose not intended.

(9) Dress properly.

2

・Do not wear loose clothing or accessories. They canbe caught in moving parts.

・Rubber gloves and Non-skid footwear are recommended.・Wear protective hair covering to contain long hair.

(10) Always wear eye protection.・Everyday eyeglasses only have impact resistant lenses.

They do NOT protect eyes. Also use face or dust mask,if operations create dust.

(11) Do not abuse cable.・Never carry tool by connecting cable or yankit to

disconnect from receptacle.・Do not place a cable near a place with high heat, oil,

and sharp edge.

(12) Secure work.・Use clamps or a vise to hold work when practical.・It is safer than using your hand and it frees both hands

to operate tool.

(13) Do not overreach.・Keep proper footing and balance at all times.

(14) Cautious maintenance is necessary for electrictools.・Always maintain blades and keep it work well so that

safe and efficient work can be done.・Follow the instruction manual for oiling or change of

accessories.・Check the cable regularly. Contact the sales agents

to repair it when it is defective.・When an extension cable is used, check regularly and

change it when it is damaged.・The grip should be kept dry and clean. Maintain it so

well that it does not carry oil or grease.

(15) Switch off and take off the plug for the following:・Not in use.・When you change blades, grinding stone and bit.・Any danger is anticipated.

(16) Remove spanners, wrenches etc., after adjustment.・Make sure that spanners, wrenches etc., which are

used for adjustment are removed before switching on.

(17) Always avoid unexpected start.・Do not carry the tool with a finger on the switch when

the power supply is on.Make sure that the switch is off before plugging in.


(18) Use a cabtyre cable or a cabtyre extension cablewhen it is used outside.

(19) Stay alert.・Watch what you are doing.・Bear in mind the way of handling/operation and the

circumstances of the surrounding area.・Use common sense.・Do not operate tool when you are tired.

(20) Check damaged parts.・Before further use of the tool, an accessory or other

part that is damaged should be carefully checked todetermine that it will operate properly and perform itsintended functions.

・Check for alignment of moving parts, binding of movingparts, breakage of parts, mounting and any otherconditions that may affect its operation.

・An accessory or other part that is damaged orinoperable should be properly repaired or replaced.When a switch becomes out of order, repairs shouldbe performed only by the sales agent from whom youpurchased the tool or an authorized dealer.

・Do not use electric tools which cannot be activated orstopped with a switch.

(21) Use recommended accessories.・Consult this manual or the sales agent from whom you

purchased the tool or an authorized dealer forrecommended accessories. The use of improperaccessories may cause risk of injury to persons.

(22) Repairs by authorized personnel.・This tool should not be modified as it meets safety

requirements.・Any repairs to the tool or installation of replacement

parts should be performed only by the sales agentfrom whom you purchased the tool or an authorizeddealer.

・Failure to utilize the expertise of the sales agent fromwhom you purchased the tool or an authorized dealeror, failure to use genuine replacement parts, mayresult in an increased risk of injury to the user andmay invalidate your warranty.

3

WARNING

IMPORTANT SAFETY INSTRUCTIONSFOR PORTABLE MAGNETIC DRILL

・Use of power is limited to the power source specifiedby the rating plate.

・Do not use the power supply for the enginepowered welder.

・The earth lead must not be connected to a gas pipe.This may cause an explosion.

・Make sure the Earth Clip and Earth Lead are notfaulty. If you have a tester or insulation resistancemeter, check for continuity between the Earth Clip andthe metal part of the body. Burying an earth rod orearth plate in the ground and connecting the EarthLead is a job for a qualified electrician so you shouldconsult a nearby electrical contractor.

・Before using the tool, make sure the power sourceto which it will be connected is fitted with an earthleakage breaker to prevent electric shock.

・Extension cord should be selected after ensuringthe diameter is compatible with the length of theextension. Beware of extremely long power cord(particularly wound up thin cords) as they may causedrops in voltage which weaken the magnetism,adversely affecting the performance and function ofthe tool. Do not share the extension cord with anyother electric machine tools. (Fig. 1)

(Fig. 1)

Extension CableMax. Length Nominal cross-sectional area

10 m 1.25 mm2 or more

15 m 2.00 mm2 or more30 m 3.50 mm2 or more


・Clean the adhesion surface of the Magnet and thesurface of the workpiece. Any gaps between theadhesion surface of the Magnet and the surface ofthe workpiece will weaken the adhesive power of theMagnet and may cause the tool to swing around.Therefore the surfaces should always be kept cleanand free from metal chips, bumps and depressions orrust. Also, do not place the Magnet over holes as thiswill also weaken the adhesion.

・Use the Chain to prevent the tool from falling. Usethe attached Chain to attach the tool to the workpiecewhere there is a risk that it might fall from a high placeor tip over if the Magnet lifts off during a powerstoppage or for some other reason. Use SupportingMagnet Assy (option) to prevent main body of unitfrom falling when the chain can not be wound aroundwork because its size is too large to wind.(Fig. 5)

(Fig. 5)

・Align the Magnet parallel to the length of theworkpiece. Since the surface of an H-section isnormally curved as shown in Figure 6, the Magnetshould be placed parallel to the length of the workpieceto ensure good adhesion and safe working. Insecuremagnetic adhesion is the cause of cutter damage andunexpected accidents. (Fig. 6, Fig. 7)

(Fig. 6) (Fig. 7)

・When performing maintenance, inspection,replacement or adjustment of parts, make sure todisconnect the plug from the receptacle.

・Do not operate on the ceiling. The tool should beoperated on a horizontal place or the wall (vertically).Do not operate the tool on the ceiling (upside down) .(Fig. 2) Never use this unit at the work on ceiling(upside down). Remove oil supply portion from mainbody and mount unit so that the cutting oil will not bespilled off when the unit is used on wall (vertically).

(Fig. 2)

・Minimum workpiece thickness of 9mm. If aworkpiece is not thick enough, it will weaken themagnetism, preventing proper operation due to theslipping or lifting from the workpiece. When drilling aworkpiece of insufficient thickness, it is recommendedthat a piece of iron, approximately 10mm thick andsomewhat larger in size than that of the Magnet, beplaced on the reverse side of the workpiece.(Fig. 3, Fig. 4)

(Fig. 3)

(Fig. 4)

4

Shackle

Chain

Supporting Magnet Assy

Not less than 9mm

Less than 9mm Place 10mm or more thickpiece iron


5

plate is damaged or missing.

CAUTION・Set the Switch Knob to Off position before connecting

the Power Plug to a power source.

・Non-magnetic (aluminum, stainless steel, copperalloy, etc.) workpiece can not be used since theMagnet will have no adhesion to it.

・Do not use this tool on steel which is being electricwelded. If the earthing in electric welding isinadequate, electricity will flow through the Magnetcausing irreparable damage to the electric parts andmay cause an accident due to faulty operation.

・Do not use force feed the cutter during drilling .Hibroaches and Jetbroaches have thin cutter blades

with a lower cutting resistance than twist drills.Therefore they should not be fed forcibly duringmanual hole making. Be careful because if more thannecessary force is used the cutters will be damagedand their useful life will be shortened.

・Do not switch from manual to automatic operationwhile drilling holes. If you wish to drill a hole usingautomatic feed, start with automatic feed. If you aredrilling a hole with manual feed and switch to automaticfeed in the middle, the Drill Motor may return.

・When the automatic feed is On, do not feed manually.With automatic feed on (with the Rod Handles pushed

towards the body), do not put additional feed pressureon the Rod Handles.

・If the unit is left in the temperature below the freezingpoint for long, the electric drill may not move up afterthe drilling operation is over or move up during thedrilling poeration in the beginning, but it is not thetrouble. If this erroneous motion occurs, run the drillfor a few minutes under no load with the automaticfeed function turned OFF (by turning the handle bardown in the outward direction. ) before the normaloperation.

Start cutting about 2 seconds after the electric drilloperation has been started.If cutting has been started within 2 seconds, theelectric drill may be potentially stopped withoutascending even if drilling has been completed.

・Do not remove labels or name plates from the tool.Contact the sales agent from whom you purchased

the tool or an authorized dealer if a label or name

Maintain solid contact

Improper contact

Stabilizer

Protruding stabilizer lifts

・Stabilizer adjustment. The Stabilizer makes theMagnet more efficient. With the Magnet On, adjustthe Stabilizer so that it comes into solid contact withthe workpiece, taking care to ensure that the Stabilizerdoes not stick out so far that it will lift the Magnet.(Fig .8, Fig .9, Fig .10)

(Fig .8)

(Fig .9)

(Fig .10)

・Beware of slag being ejected when a hole isfinished. (Atra Ace Series) Wear protective gearsince slag (metal chips) is ejected with great forcewhen a hole is finished. Do not allow unprotectedpeople to approach the work site. When working inhigh places, make sure there is no one underneathand be very careful of falling slag. The slag is hot, donot touch it with bare hands.

・When clearing away metal chips, set the SwitchKnob (operating switch) to Off. Do not touch thechips with your hands, use a rod such as a screwdriverto remove them.

・When replacing cutters, do not touch the cuttingblades with bare hands.

・You must use a Pilot Pin which matches the cutter.Pilot Pins differ according to cutter type, diameter

and length (depth). An accident may be caused if thecutter and Pilot Pin combination is wrong.Refer to item 5-4 cutter and Pilot Pin Combinations.

・Do not use Cutting Oil for other purposes.Refer to item 5-8 Preparing the Cutting Oil.


Drill MotorSlide Board

Cutter

Sleeve

Pilot Pin

Bracket

Spindle Arbor

Oil Dropper

Side Handle

Body

Set Screw

Rod Handle

adjustment Screws

Plug

GreenRed Yellow

Orange

LOAD DETECTOR

Red

P-Valve

Swtich Knob

Magnet

Blade

Oil Tank Bracket

Oil Tank

Stabilizer

QA-4000

ON STOPLOAD

Model

WARNINGQA-4000

NITTO

● Read instruction manual before use.�● Always wear eye protection.�● Never use in the rain. Have a chance� of electric shock. Always ground the� machine.

● Never touch moving parts.�● Do not use on the wall or� upsidedown.�● Use chain to avoid possible� drop of machine.

MADE IN JAPAN

TQ05062

LOAD DETECTOR

ONLOAD

STOP

VOLTAGE V~(50/60Hz)

DRILL MOTOR 680W

Cutter diameters Plate thickness

ø17.5~ø40mm Max. 35mm

Max. 12mm

Max. 25mmø16~ø18mm

ø14・ø15mm

JETBROACH

HIBROACHMAGNET 50W

DRILL MOTOR SPEED No750min-1

NITTO KOHKI CO.,LTD.

OFFQuick Auto

QA-4000

MAGNET ON

MOTOR ON

NITTONITTO KOHKI CO.,LTD.

TQ05061

6

Package Contents Q'ty checkATRA ACE 1setOil Tank Ass'y 1set

Tool Box 1Pilot Pin 08035 1Hex. Socket Screw Key 3 1Hex. Socket Screw Key 4 1Spanner 8× 10 1Cutting Oil 0.5R Can 1Side Handle 1Chain 1Instruction Manual 1

Package Contents Q'ty checkATRA ACE 1setOil Tank Ass'y 1set

Tool Box 1Pilot Pin 08050 1Pilot Pin 08035 1Hex. Socket Screw Key 3 1Hex. Socket Screw Key 4 1Spanner 8× 10 1Cutting Oil 0.5R Can 1Side Handle 1Chain 1Instruction Manual 1Chip Stopper 1

(Fig. 11)

1 USAGE

This is a machine tool which attaches magnetically to mild steel and uses the power of Drill Motor to drill holeswith a Jetbroach One-touch type or Hibroach One-touch Type.(Mild steel SS400)

2 CHECK THE CONTENTS OF THE PACKAGEKAGE

Check the contents and make sure that the tool is not damaged due to an accident during the transportation, if any.The contents should correspond to the list as follows. Just in case there are some damaged or missing parts, contactthe sales agent from whom you purchased the tool or an authorized dealer.

THE CONTENTS OF THE PACKAGE AND ACCESSORIESQA-4000 QA-6500

3 NAME OF PARTS


Slide Board

LOAD DETECTOR

ON LOAD STOP

7

Red

Green

Yellow Red

Orange

4-4 Side Slip Detection FunctionIf the Magnet sideways while drilling holes, the Drill

Motor moves will stop turning and the feed will stop.The green and yellow indicator lamps are lighted whenthe electric drill and its feed stop.

4-5 Automatic Step Feed●The switch to step feed occurs automatically when the

cutter has lost its sharpness.●When working on deep holes or large diameter holes,

chips are produced intermittently and ejectedsmoothly.

4-6 Restart Prevention Function (For QA-6500)●When a power failure has occurred while the tool was

being used, the restart prevention function operateswhen the power is restored.

● If the drill stops during operation because of theinterruption of the power supply or accidentalunplugging of the power supply, the green and yellowindicator lamps are lighted and the magnet regainsits attracting power, but the electric drill does not rotatewhen the power supply resumes, or is plugged.

●To resume work, turn the Switch Knob back to the MagnetOn position then forward to the Motor On position and theDrill Motor will start turning.

5 PREPARATIONS

WARNINGWhen making preparations, set the Switch Knob(operating switch) to Off and remove the Power Plugfrom the power supply.

5-1 Accessory InstallationThe Side Handle, an accessory, should be mounted

on the Drill Motor.

5-2 Concerning Cutter Usage

CAUTION●Cutters other than one-touch type can not be used.● For better working and greater safety, do not use

worn or broken cutters.

5-3 Cutter PrecautionsWhen you need cutters other than the one-ouch type

supplied as accessories, refer to Optional Extras, items10-2, 10-3 and 10-4, before you buy.

4 ELECTRONIC CONTROL FUNCTIONS

4-1 Load DetectorIf there is an overload during drilling, the following

functions are automatically activated. The load detectormay not function properly if the power supply is an enginegenerator or the power voltage is too high or too low.

(1) Load Indication FunctionThe lamps indicate the load on the Drill Motor. As the

load increases, the indicator lamps flash on in a colorsequence of green, yellow and orange starting from theleft (green). (Fig. 12)

(Fig. 12)

(2) Automatic Feed Control FunctionThis system automatically controls the feed rate where

several seconds after start-up of the drilling itautomatically slowly starts to feed and then the ratevaries depending on the load condition of the Drill Motor.The feed rate is also automatically regulated accordingto the cutter diameter.

(3) Automatic Stop FunctionBoth the drilling and feeding operations stop

automatically and the red stop lamp comes on wheneverthere is an excessive load on the Drill Motor, preventingthe Drill Motor and cutter from breaking. If the cutter isdull, however, breakage may be inevitable.

4-2 Automatic Return FunctionWhen the drilling is completed and there is no longer

a load placed on the Drill Motor, the feed motorautomatically reverses and retracts the Drill Motorupward.

4-3 Limit Switch FunctionWhen the stroke reaches its upper limit, the Limit

Switch stops both the Drill Motor and feed. Even in casethe automatic return function fails at the end of the drillingallowing the Drill Motor to continue downward, the LimitSwitch stops both the Drill Motor and feed when thestroke reaches its lower limit. The green and yellowindicator lamps are lighted when the electric drill and itsfeed stop.


(3) Align the depression in the cutter with the white lineon the Sleeve and insert the cutter. (Fig. 17) When thecutter is pushed right in, the Sleeve can be turned to theright and will lock into place with a click.※ If the cutter will not go in, turn the Sleeve to the leftand try again.

(4) To remove the cutter, turn the Sleeve to the left andpull out the cutter. (Fig. 18)

(Fig. 15)

(Fig. 16), ( Fig. 17), (Fig.18)

5-6 Setting the Change Lever (For QA-6500)Change the drill speed to suit the type and size of the

cutter. (Fig. 19)Note: Set the Switch Knob (operation switch) to the

Off position and wait until the drill has stopped turningbefore operating the change lever.

(Fig. 19)

5-4 Cutter and Pilot Pin Combinations

WARNINGDo not use combinations other than those in theConformity Tables. Match the appropriate Pilot Pinto the cutter which is to be used.

●Match the appropriate Pilot Pin to the cutter which is

(Fig. 13)

(Fig. 14)

● Pilot Pins differ according to the type, diameter andlength (depth) of the cutter. If the cutter and Pilot Pincombination is wrong, the cutter will be damaged dueto failure to eject the slag (metal chips) formed aftercutting and poor Cutting Oil supply.

●Unspecified usage not only significantly reduces thelife of the cutter but also damage the cutter and leadto unexpected accidents.

5-5 Mounting and Dismounting the Cutter

WARNING●You must use a Pilot Pin which matches the cutter.

An accident may be caused if the cutter and PilotPin combination is wrong.

●Do not touch cutting blades with bare hands.

(1) Raise the Drill Motor by turning the Rod Handles inthe clockwise direction. (Fig. 15)

(2) Take the Pilot Pin which suits the size of cutter to beused and insert the Pilot Pin in the cutter. (Fig. 16)

8

Spindle Arbor

Sleeve

Turn the Sleeveto the left

Pilot pin

Cutter

Sleeve

Spindle Arbor

White line

DepressionPull out

2) 3) 4)

Pull down out of the body

UpwardDownward

Rod Handle

1)

Rotation 1 400 min-1 2 750 min-1

Applicablecutter size

Position ofdrill speed

HibroachOne-touch Type19.5 to 35 mm dia.JetbroachOne-touch Type36 to 65 mm dia.

HibroachOne-touch Type18 to 19 mm dia.JetbroachOne-touch Type17.5 to 35 mm dia.

1

2

CUTTER

TJ12694 PILOT PIN　 07025

TJ12696 PILOT PIN 　08025


HIBROACH ONE-TOUCH TYPE

JETBROACH ONE-TOUCH TYPE

76

76

91

CUTTER AND SUITABLE PILOT PIN QA-4000PILOT PIN


Cutter Dia

14 mm. 15 mm

Depth 12 mm

Cutter Dia

16 mm. 17 mm

Depth 25 mm

Cutter Dia 17.5 mm. 18 mm

Depth 25 mm

Cutter Dia 17.5 to 40 mm

Depth 35 mm

TJ12696 PILOT PIN　 08025

TJ15859 PILOT PIN　08035


HIBROACH ONE-TOUCH TYPE



91mm

112mm

Cutter Dia 18 to 35 mm Depth 25 mm

Cutter Dia 17.5 to 40 mm Depth 35 mm

Cutter Dia 17.5 to 65 mm Depth 50 mm

CUTTER AND SUITABLE PILOT PIN QA-6500

76mm

PILOT PIN CUTTER

Align


to be used. (Fig. 13), (Fig. 14)

5-7 Preparation of chip breakers

WARNING・Set the chip breaker so that the tips of the blade and

chip stopper may not interfere with the cutting toolboth at the top and bottom in setting up the chipbreaker.

(Fig.20)

(Fig. 21)

The chip breaker is to cut cutting chips in randomlyshort length produced during the drilling operation foreasy discharge of the cutting chips.

・The blade is mounted on the magnet as the standarditem.

・QA-6500 model only is supplied with the chip stopper.It can cut produced cutting chips in more proper lengthduring the cutting operation with the cutter diameterof 40mm to 65mm diameter. (Cutters other than 40mmto 65mm diameter can not be used.)

(1) Setting the blade (See the fig. 20)(1-1) Mounting the cutter

Loosen the hex. socket head cap screw and retractthe blade in the arrow direction until it can not retractany further, and then mount the cutter.(1-2) Setting the blade

Set the blade with the gap between the cutter and tipof the blade being 0.5mm to 0.8mm, securely mount iton the blade base with the hex. socket head cap screw.

(2) Setting the chip stopper (See the fig. 21) (It issupplied with QA-6500 model only. )(2-1) Mounting the chip stopper

Loosen the hex. socket head cap screw fastening theblade, and remove the blade and hex, socket head capscrew.

Mount on the blade base with the removed hex. sockethead cap screw the chip stopper attached to the unit sidewith the accessory band. (Attach the removed blade to the unitside with the accessory band to avoid losing it.)(2-2) Mounting the cutter

Loosen the hex. socket head cap screw, retract thechip stopper in the arrow direction until it can not retractfurther, and mount the cutter.(2-3) Setting the chip stopper

Set the chip stopper with the gap between the cutterand tip of the chip stopper being 0.5mm to 0.8mm, andsecurely fix the stopper to the blade base with the hex.socket head cap screw.

5-8 Preparing the Cutting OilSafety Notes on Cutting Oil

WARNING(1) Application and Usage Limitations・Use only as a cutting fluid. Not for use in ordinary

households.

(2) Precautions on Handling Cutting Oil・This liquid contains amines. It should not be mixed

with rust preventives containing nitrite.・May cause inflammation if it enters the eyes.

Protective eye-wear should be used when handlingto prevent entry into the eyes.

・Skin contact may cause inflammation. Protectivegloves should be worn when handling to preventcontact with the skin.

・May cause discomfort if mist or vapor is inhaled.Breathing apparatus should be used when handlingand mist or vapor should not be inhaled.

・Dilution should be carried out in accordance with theInstruction Manuals.

・Keep it out of reach of children.・Do not drink it.

(3) Emergency Treatment・If it has entered eyes, immediately open the eyelids

as wide as possible and wash thoroughly with waterfor at least 15 minutes. If there is inflammation, consulta physician and follow the instructions.

・If it has contacted the skin, wash immediately with soapand water. Soiled clothing should be removed andlaundered thoroughly before re-use. If there isinflammation, consult a physician and follow theinstructions.

9

Chip stopper (attached to the unit side forQA-6500 only)

Blade (supplied as a standard item)

0.5-0.8mmRetract the blade

Hexagon sockethead cap screw

Blade

Blade base

Blade base

0.5-0.8mmHexagon sockethead cap screw

Chip stopper

Retract the chip stopper


・If mist or vapor has been inhaled, immediately transferthe patient tot fresh air, cover his/her body with ablanket and keep warm and quiet. Consult a physicianand follow the instructions.

・If it has been ingested, immediately give copious waterand induce vomiting. Consult a physician and followthe instructions. If the patient is unconscious, do notadminister water or induce vomiting.

(4) In Case of Fire・For a fire in the vicinity, wear protective equipment

and extinguish the fire from upwind with foam, powderor CO2 fire extinguishers.

(5) Method of Storage・Seal after use to prevent admixture with dirt and/or

water.・Store in a cool dark place away from direct sunlight

and rain.

(6) Method of Disposal・Disposal of undiluted and diluted fluid should be

handled as waste fluid in accordance with the law bya waste disposal specialist.

・Wash water should be treated by pH adjustment,flocculation and settling, activated sludge treatment,activated carbon adsorption, etc., and discharged inaccordance with municipal standards.

・Since empty containers contain dregs, they should behandled with care.

(7) Other・If transferred to other containers for use, the names

of chemicals used in the workplace and the labeledcontents should be displayed and kept together withthe Instruction Manuals ready for immediate perusal.

・Anyone wishing to have further details may requestproduct safety data sheets from manufacturer.

・The inscribed details are based on currently availableinformation and data and updated by new knowledge.

・Items to be noted are aimed at normal handling.Where special handling is involved, safety measuresappropriate to the application and method of handlingshould be implemented.

・The inscribed details are submitted for your informationand do not imply assurances or acceptance ofresponsibility.

5-8-1 Preparing the Cutting Oil(1) Use our authentic Cutting Oil (light blue). Cuttingperformance and cutter life may be reduced if otherCutting Oils are used.

(2) Dilute the Cutting Oil eight to ten times with tap water.

(3) The Oil Tank is a cartridge type tank. Remove itfrom the Oil Tank Bracket and fill it with Cutting Oil awayfrom the tool so that oil will not be spilled on the tool.The Oil Tank should be installed so that its cap fits inthe Oil Tank Bracket. (Fig. 22) When drilling is beingconducted on a continuous basis, it is recommendedthat another tank be prepared so that operations can becontinued easily by just changing the Oil Tank, evenwhen the oil in the former tank runs out during theoperation.

(Fig. 22)

5-8-2 Flow Rate ControlThe Cutting Oil flow is controlled by adjusting the P-

Valve on the Oil Tank Bracket and observing the OilDropper on the front of the Drill Motor. As a guide forthe oil feed rate it is generally recommended that theslags (chips) be kept constantly wet during the drillingand free from discoloration due to burning etc. The flowrate adjustment should be performed during drilling orwhen the Pilot Pin is depressed after lowering the DrillMotor. The P-Valve should be closed when operationsare interrupted for a long period of time. (Fig. 23)

(Fig. 23)

5-9 Inserting the Power Plug into the Power Source

CAUTIONSet the switch to Off before inserting the Power Plug.The power supply voltage used must be correct.

6 HOW TO OPERATE THE TOOL4 ELECTRONIC CONTROL FUNCTIONS

10

Part No. Part NameTB03700 Oil Tank Ass'y

Oil Dropper

Oil Tank

Cap

Oil Dropper

P-Valve

Oil Tank BracketOFFQuick AutoQuick Auto

QA-4000

MAGNET ON

MOTOR ON

NITTONITTO KOHKI CO.,LTD.

TQ05061


6-2 Use Manual Feed for Elongated Holes

WARNINGAlways use manual feed for making elongated holesand work slowly.

●Elongated holes should be drilled in sequence of①→②→③ . Holes ② and ③ should be drilled manuallywithout excessive pressure on the cutter. Avoid drillingelongated holes with automatic feed since it maycause the cutter to break or cause unexpectedaccidents. File away any excesses.(Fig. 26)

(Fig. 26)

●When making elongated holes, be sure to move farenough sideways for the Pilot Pin to be engagedbefore making the next hole.

6-3 Use Manual Feed for Drilling Laminated Plates

CAUTION●Always use manual feed for drilling laminated

plates and work slowly.●Laminations must be clamped together securely.●When drilling laminated plates, raise the cutter when

the top plate has been drilled and remove the slag(metal chips) from the hole. Then drill the lower plate.

●Not removing the slag (metal chips) will cause thecutter to bind and lift the Magnet.

6-4 Drilling Procedure(1) Punching

The punch hole should be vertical with respect to theworkpiece and rather large in size. Precisely place thepunch hole since it serves as a drilling guide. (Fig. 27)

(Fig. 27)

11

MOTOR

MAGNET

Switch Knob

MAGNET

MOTOR

Switch Knob

Red

File away any excessesON

OFF

ON

ON

OFF

ON

LOAD DETECTOR

ON LOAD STOP

6 HOW TO OPERATE THE TOOL

WARNINGWear the safety goggle while working. If much dustis produced, wear a dust mask.

6-1 Start and Stop

CAUTION●Switch On and Off in stages.●Unless the switch is set to On in stages, the Drill

Motor may not start.

(1) Magnet OnTurn the Switch Knob to the Magnet On position. The

power lamp will come on and the Magnet will activate.(Fig. 24)

(Fig. 24)

(2) Drill Motor OnSet the Switch Knob to the Motor On position. The

Drill Motor will run.(Fig. 25)

(Fig. 25)

(3) All StopWhen the Switch Knob is set back from the Motor On

position to the Magnet On position, the Motor will stop.When the Switch Knob is set further back from MagnetOn position to the Off position, the Magnet will bedeactivated and all functions will stop.

1 2 3


(2) Make sure that both the Magnet adhesion surfaceand the workpiece surface are clean.

CAUTIONIf foreign matter is caught between the surfaces,there is a danger that the tool may be spun around.

Gaps between the Magnet adhesion surface and theworkpiece weaken the magnetic holding power. Alwayskeep the Magnet adhesion surface free from foreignmatter (such as metal chips), unevenness, and rust.

(3) Align with punch holeTurn the Rod Handles in the counterclockwise

direction to lower the cutter gently and align the tip ofthe Pilot Pin with the punch. (Fig. 28)

(Fig. 28)

(4) Magnet on

CAUTIONMake sure the Magnet is clinging to the workpiece.

Turning the switch to the Magnet On position causesthe Magnet lamp to come on and activates the Magnet.(Fig. 29)

(Fig. 29)

(5) Stabilizer adjustment

CAUTIONThe Stabilizer serves to use the adhesive force ofthe Magnet effectively. After switching on theMagnet, adjust it so that the Magnet clings to theworkpiece. Make sure the Stabilizer is not protrudingtoo far and lifting the Magnet. (Fig. 30)

(Fig. 30)

(6) Cutting Oil control.When the P-Valve on the Oil Tank Bracket is open

and the Drill Motor is lowered by turning the Rod Handlesin the counterclockwise direction, the Pilot Pin will bepushed up allowing the Cutting Oil to begin to flow.Adjust the oil flow rate by observing the Oil Dropper onthe front of the Drill Motor. (Fig. 31)

(Fig. 31)

(7) Drill Motor on

CAUTIONDo not touch the rotating parts.

Turning the Switch Knob to Motor On position startsthe Drill Motor running. (Fig. 32)

(Fig. 32)

12

Lower partially

ON

OFF

ON

MAGNET

MOTOR

Switch Knob

Nut

Stabilizer

P-Valve

ON

OFF

ON

MAGNET

MOTOR

Switch Knob


(8) Automatic feeding

CAUTION●Once it has started to feed, do not touch the Rod

Handles until the drilling is finished.●Do not use automatic feed if the finish side is slanted.

Pushing the Rod Handles towards the body activatesthe automatic feeding. The feed in the first stage of thecutting operation is automatically slow and manual feed isnot required. (Fig. 33)

Start cutting about 2 seconds after the electric drilloperation has been started.If cutting has been started within 2 seconds, theelectric drill may be potentially stopped withoutascending even if drilling has been completed.

(Fig. 33)

When drilling a hole in an angle, channel or H-section,etc., the cutter may be damaged when it comes to a slantedor radiused surface on the finish side. Feed slowly whenstarting and finishing. (Fig. 34)

(Fig. 34)

(9) Finishing the holes

CAUTIONBeware of ejected slags when finishing the holes.Never touch the slags with bare hands since theyare hot and sharp.

When the drilling is finished, the Drill Motor will riseautomatically and stop. When it has stopped, pull theRod Handles to the outside to switch off automatic feed.Then quickly set the Switch Knob to the Off position. Ifyou fail to do this, current will continue to flow in theMagnet and shorten its life. (Fig. 35)

(Fig. 35)

(10) Slag removalDo not start the next drilling with slag remaining on the

cutter.When the drilling is completed, the spring loaded Pilot

Pin automatically ejects the slags. If, however, slagsdo not eject and the inside of the cutter unit is cloggedwith slags, the subsequent drilling will fail. In this case,remove slags by hitting its flange with a thin punch.(Fig. 36)

(Fig 36)

13

Rod Handle

Automatic feed ONOFF

MAGNET

MOTOR

Switch Knob

R

ON

OFF

ON

Pilot oin

Slag (Chips)

Cutter

Slag

Flange part

Thin punch


Solutions

Reset the limit switch bymoving the electric drill a littleupward or downward.

Replace the faulty MagnetPart.

Turn the automatic feed ON inthe beginning of a drillingoperation.

Avoid wiring which may causevotage variation (Putting manyloads on one outlet prohibited)

Increase the supply of thecutting fluid in volume.

Remove them.

Sharpen the cutter or replaceit with new one.Fit a 10mm or thicker ironplate in the back of the work.Clean the bottom free offoreign matters.

Sharpen it or replace it withnew one.

Replace it.

Operate the process all overagain from the beginning.

Refill lubrication oil.

7 TROUBLESHOOTING

WARNING●Do not attempt to repair the tool yourself. This will cause damage to the tool and danger to yourself when

you use it again.●If any of the following, or other symptoms occur, or if there are other matters concerning usage that you do

not understand, please consult the sales agent from whom you purchased the tool or an authorized dealer.

This tool is controlled by electronic functions and will stop automatically if the electronic control system malfunctionsdue to power supply noise. During drilling, the following symptoms are not considered to be problematic. For safetyreasons, check the tool only after ensuring the Switch Knob is set to Magnet On, the Rod Handles are pushed outside,and the automatic feeding is Off and the Drill Motor retracted:

14

Problems

Electric drill does not startrotation when the switch knobis turned ON.

Electric drill moves up andstops when the automatic feedis turned ON.

Electric drill stops and movesup in the middle of drilling ahole.

The entire unit stops itsoperation during drilling a holeand the orange indicator lampis lighted.

The Side s l ip detect ionfunction is actuated as themagnet slips sideways to stopthe unit entire operation andto light the green and yellowindicator lamps.

Electric drill does not move upbut stops at the bottom strokeend after a hole dri l l ingprocess is completed.

Inquire the sales agent from you purchased or an authorited dealer if you have above or other troubles, or any questions concerningthe operation of the unit.

Red Orange

ON STOPLOAD

LOAD DETECTION

Red YellowGreen

ON STOPLOAD

LOAD DETECTION

Red YellowGreen

ON STOPLOAD

LOAD DETECTION

Red YellowGreen

ON STOPLOAD

LOAD DETECTION

Red YellowGreen

ON STOPLOAD

LOAD DETECTION

Red YellowGreen

ON STOPLOAD

LOAD DETECTION

Causes

The limit switch is trippedadjacent to the upper or lowerstroke limit.

Electro-Magnet does not havethe holdingpower (somehow,the coil is cut off)

The drill is operated in themanual feed mode.

Sudden drop in voltage

Sufficient cutting fluid is notsupplied.

Cutting dusts or chips stuff thecutter tip.

Cutter tip is worn out.

The work is too thin.

Cutting chips or the like are stuckin the bottom of the magnet.

The cutter tip is worn out.

The magnet is defective.

The hole is drilled with thedrilling load scarcely needed.(The work is too thin.)

Cutting started immediatelyafter electrical drill started

Lubrication oil runs out in thespindle arbor and needlebearings.

Lamp indications

Red Yellow

ON STOPLOAD

LOAD DETECTION


8 MAINTENANCE AND INSPECTION

WARNINGSwitch off and remove the power plug from thepower supply during maintenance and inspection.

CAUTIONCheck all attached parts periodically for loosescrews. Securely tighten any loose screw.

8-1 Tighten the Set Screw when the tool is not in useFor safety reasons, when the tool is not in use or when

the drilling operation is suspended, keep the Drill Motorfrom moving downward due to its dead weight bytightening the stopper set screw with the Drill Motor inan elevated position. If the Drill Motor is left down, thePilot Pin or cutter may be damaged during transit.(Fig. 37)

8-2 Greasing of sliding surfacesFrom time to time, the sliding surfaces between the

body and the Slide Board should be greased. (Fig. 37)

8-3 Loose Slide Board adjustmentAny looseness between the body and the Slide Board

will adversely affect drilling precision, leading topremature wear on the cutter. When looseness isencountered, eliminate it by uniformly re-tightening thefour Slide Board adjustment screws on the lateral sideof the body to the extent that the Drill Motor will not fallunder its dead weight. The screws are designed to workas a double-lock, so they should be securely tightenedby turning the nuts. Do not adjust using the Set Screws.(Fig. 37)

8-4 Inspection of the BracketThe Bracket which supports the Spindle Arbor is of

key importance in maintaining drill precision. TheBracket is tightened by three screws, which should beinspected from time to time to ensure they are tight. (Fig. 37)

15

(Fig. 37)

8-5 Sharpening of Pilot Pin tipIf the Pilot Pin tip is dull, the pin will not be able to fit

itself into the punching hole, causing poor drilling precision.It should be inspected from time to time, and , if the PilotPin tip is found to be dull, sharpen the tip or replace with anew one. Exercise caution during the sharpeningoperation as any rough grinding softens the tip due toannealing, even to the point of disabling it in some cases.(Fig. 38)

(Fig. 38)

Sharpenthe tip

Optimal angle

Pilot Pin

Pilot Pin

Cutter

Sleeve

Spindle Arbor

Oil Dropper

Bracket

Side Handle

Drill MotorSlide Board

adjustment screw

Rod Handle

Set Screw

Body

Model

WARNINGQA-4000

NITTO

● Read instruction manual before use.● Always wear eye protection.● Never use in the rain. Have a chance of electric shock. Always ground the machine.

● Never touch moving parts.● Do not use on the wall or upsidedown.● Use chain to avoid possible drop of machine.

MADE IN JAPAN

TQ05062

LOAD DETECTOR

ONLOAD

STOP

VOLTAGE V~(50/60Hz)

DRILL MOTOR 680W

Cutter diameters Plate thickness

ø17.5~ø40mm Max. 35mm

Max. 12mm

Max. 25mmø16~ø18mm

ø14・ø15mm

JETBROACH

HIBROACHMAGNET 50W

DRILL MOTOR SPEED No750min-1

NITTO KOHKI CO.,LTD.


Slide Board

8-6 Loosening a tight Pilot PinWhen the cutter needs to be replaced, pull out and

change the Pilot Pin which acts as a guide. However, ifmetal chips are caught between the cutter and the pin,the pin may be difficult to be pulled out. Tap the end ofthe pin gently with a wooden mallet as you pull it out.(Fig. 39)

(Fig. 39)

8-7 Cutter grindingWhen the cutter needs re-grinding, consult the sales

agent from whom you purchased the tool or an authorizeddealer.

16

Edge

Pilot Pin

Slags


9 ORDERING SERVICE PARTS

In ordering parts and components from the sales agentfrom whom you purchased the tool or an authorizeddealer, give each part number, parts name and quantityrequired.

9-1 Genuine Cutting Oil

CAUTIONUse our Genuine Cutting Oil.

9-2 Pilot Pin

CAUTIONWhenever you buy a cutter, should also buy a PilotPin to suit.(metric sizes)

9-3 Supporting Magnet Assy

Part No. Part Name Applicable cutter (mm)TJ12694 Pilot Pin 07025(B1) Hibroach 14 to 17 dia.TJ12696 Pilot Pin 08025(A1) Hibroach 17.5 to 35 dia.TJ15859 Pilot Pin 08035(A2) Jetbroach 35 depthTJ16019 Pilot Pin 08050(A3) Jetbroach 50 depth

8-8 Inspecting and replacing Carbon BrushesThe worn condition of the Carbon Brushes should be

inspected periodically.Commutation will deteriorate when the remaining

length is about 5mm and may cause a breakdown sothe brushes should be replaced in accordance with thefollowing procedure. (Fig. 43)(1) Remove the Brush Cap with a screwdriver. (Fig. 44)(2) Remove the worn brush, replace it with a new oneand refit the Brush Cap. (Fig. 44)(3) After replacement, run the tool under no load for aboutten minutes.

(Fig. 43)

(Fig. 44)

17

5mm

Part No. Part NameTB01507 Water-soluble Cutting Oil 2R (Light Blue)

Brush Cap

Carbon Brush Part No. Part NameTB04374 Supporting Magnet Assy


9-4 Ordering parts

Hibroach One-touch Type (metric sizes) QA-4000

Hibroach One-touch Type (metric sizes) QA-6500

Jetbroach One-touch Type (metric sizes) QA-4000, QA-6500

Jetbroach One-touch Type (metric sizes) QA-6500

18

Part No. Diameter×Depth Part No. Diameter×Depth Part No. Diameter×DepthTK00331 14 × 12TK00332 15 × 12

TK00333 16 × 25TK00334 17 × 25

TK00335 17.5 × 25TK00336 18 × 25

TK00357 33 × 25TK00358 33.5× 25TK00359 34 × 25TK00360 34.5× 25TK00361 35 × 25

TK00350 26.5× 25TK00351 27 × 25TK00352 28 × 25TK00353 29 × 25TK00354 30 × 25TK00355 31 × 25TK00356 32 × 25

TK00343 22.5× 25TK00344 23 × 25TK00345 23.5× 25TK00346 24 × 25TK00347 24.5× 25TK00348 25 × 25TK00349 26 × 25

Part No. Diameter×Depth Part No. Diameter×Depth Part No. Diameter×Depth Part No. Diameter×DepthTK00336 18 × 25TK00337 19 × 25TK00338 19.5× 25TK00339 20 × 25TK00340 21 × 25TK00341 21.5× 25TK00342 22 × 25

TK00394 25 × 50TK00395 26 × 50TK00396 26.5× 50TK00397 27 × 50TK00398 28 × 50TK00399 29 × 50TK00400 30 × 50TK00401 31 × 50TK00402 32 × 50TK00403 33 × 50TK00404 34 × 50TK00405 35 × 50TK00406 36 × 50TK00407 37 × 50

TK00380 17.5× 50TK00381 18 × 50TK00382 19 × 50TK00383 19.5× 50TK00384 20 × 50TK00385 20.5× 50TK00386 21 × 50TK00387 21.5× 50TK00388 22 × 50TK00389 22.5× 50TK00390 23 × 50TK00391 23.5× 50TK00392 24 × 50TK00393 24.5× 50

TK00408 38 × 50TK00409 39 × 50TK00410 40 × 50TK00411 41 × 50TK00412 42 × 50TK00413 43 × 50TK00414 44 × 50TK00415 45 × 50TK00416 46 × 50TK00417 47 × 50TK00418 48 × 50TK00419 49 × 50TK00420 50 × 50TK00442 51 × 50

Part No. Diameter×Depth Part No. Diameter×Depth Part No. Diameter×Depth Part No. Diameter×DepthTK00443 52 × 50TK00444 53 × 50TK00445 54 × 50TK00446 55 × 50TK00447 56 × 50TK00448 57 × 50TK00449 58 × 50TK00450 59 × 50TK00451 60 × 50TK00607 61 × 50TK00608 62 × 50TK00609 63 × 50TK00610 64 × 50TK00611 65 × 50

TK00326 34 × 35TK00328 35 × 35TK00602 36 × 35TK00603 37 × 35TK00604 38 × 35TK00605 39 × 35TK00606 40 × 35

Part No. Diameter×Depth Part No. Diameter×Depth Part No. Diameter×Depth Part No. Diameter×DepthTK00318 26.5× 35TK00319 27 × 35TK00320 28 × 35TK00321 29 × 35TK00322 30 × 35TK00323 31 × 35TK00324 32 × 35TK00325 33 × 35

TK00310 22 × 35TK00311 22.5× 35TK00312 23 × 35TK00313 23.5× 35TK00314 24 × 35TK00315 24.5× 35TK00316 25 × 35TK00317 26 × 35

TK00301 17.5× 35TK00302 18 × 35TK00304 19 × 35TK00305 19.5× 35TK00306 20 × 35TK00307 20.5× 35TK00308 21 × 35TK00309 21.5× 35


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READ ALL INSTRUCTIONS BEFORE OPERATING THIS TOOL

ATRA ACE Model QA-4000, QA-6500PROFESSIONAL TOOL

Printed in JAPAN TQ05612-B


read all instructions before operating this machine …

Documents