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The speci

cations and con

gurations contained in this document are subject to

change without prior notice due to improvements we are making day in, day out.

Manufactured by :

NITTO KOHKI Co., Ltd.

2-9-4, Nakaikegami, Ohta-ku,
Tokyo, 146-8555, Japan
TEL :

(81)-3-3755-1111

FAX :

(81)-3-3753-8791

E-mail : [email protected]
URL :

www.nitto-kohki.co.jp

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

PORTABLE MAGNETIC DRILLING MACHINE

Read this manual carefully before operating your Nitto Kohki Portable
Magnetic Drilling Machine. Keep this manual with your machine. All users
of the Nitto Kohki Portable Magnetic Drilling Machine must read this
manual.

ATRA ACE

Model LO-3550

Professional Tool

For One-Touch Type Annular Cutter Only

(Side-Lock Type Annular Cutter cannot be used.)

Speci

cations

Model

LO-3550

Drill Motor

Power Supply (Single Phase)

220-240 V

〜

50/60 Hz

Rated Power Consumption

800 W

Rated Current

3.3 A

No-load Speed

950 min

Magnet Power Consumption

35 W

Drilling Capability JETBROACH One-touch type

Hole diameter: 12 mm

35 mm dia.

Plate thickness: MAX. 50 mm

Max Magnetic Force

5500 N

Magnet Size

65 mm × 145 mm

Weight

8.7 kg

(Cord and Sub handle are not included.)

Original Instruction

Содержание LO-3550

Страница 1: ...ortable Magnetic Drilling Machine Keep this manual with your machine All users of the Nitto Kohki Portable Magnetic Drilling Machine must read this manual ATRA ACE Model LO 3550 Professional Tool For One Touch Type Annular Cutter Only Side Lock Type Annular Cutter cannot be used Specifications Model LO 3550 Drill Motor Power Supply Single Phase 220 240 V 50 60 Hz Rated Power Consumption 800 W Rate...

Страница 2: ...uctions supplied are not followed Do not allow the main body or the power source to get wet as it will cause electric shock and leakage Using this machine improperly could result in serious injury Read the instruction manual before use Always wear suitable eye protection Always wear suitable hearing protection Always wear respiratory protective equipment PPE Sound pressure level LpA 85dB A accordi...

Страница 3: ...he moving or cutting tip Contact with the moving tip will cause severe injuries Always keep all parts of your body away from the cutting tip Always keep your hand and clothing away from the cutting tip ABOUT THE WORK AREA Keep Work Area Clean Always keep your work area clean Cluttered work areas cause accidents Always keep clear of other objects Never use the magnetic drilling machine when it is w...

Страница 4: ...use accident and severe injuries All service and repairs must be performed by an authorized Nitto dealer Any attempt to service or repair the machine yourself may result in an accident and severe injuries Check all Parts for Damage Always inspect the magnetic drilling machine before use Always check that the pilot pin and cutter are in good condition Use of the machine with worn pilot pins or worn...

Страница 5: ...off position before connecting to power source and or battery pack picking up or carrying the tool Carrying power tools with your finger on the switch or energising power tools that have the switch on invites accidents 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 Do not overrea...

Страница 6: ...Always inspect the cord Do not use the machine if the cord is damaged Always use a ground fault circuit interrupter The use of a ground fault circuit interrupter may be required by government regulations The failure to use a ground fault circuit interrupter may result in electric shock Avoid starting the magnetic drilling machine abruptly or unintentionally Always make sure that the switch is turn...

Страница 7: ... boost the holding power of the Magnet Use of an inappropriate back up plate can result in an accident If the back up plate is not thick enough or big enough the machine will come loose during operation This can result in an accident and severe injuries Less than 6 mm Place an iron back up plate of 7 mm or thicker Fig 2 Always keep surfaces clean Always keep the Magnet surface clean Always keep th...

Страница 8: ...ves when changing the cutter The cutting edge is sharp If you do not wear gloves you will be cut Attempting to change the cutter can result in severe injuries Do not use Cutting Oil for other purposes Cutting Oil should be used only for drilling Please refer to Section 5 6 of this manual for further warnings and instructions about Cutting Oil CAUTION Always use a compatible Pilot Pin The Pilot Pin...

Страница 9: ...gnet geared to drilling mild steel mild steel or equivalent using One Touch type Jet Broach The machine will be mounted on the workpiece to be drilled with the Magnet securely fastening the machine to the workpiece while drilling takes place 2 RECEIVING INSPECTION Upon unpacking check to see that the shipment is complete without damage or oil leakage in transport Should you find any damage or shor...

Страница 10: ...9 3 PART NAMES Red LED Blue LED Start Switch Stop Switch Power Switch Switch Cover Coolant Tank Handle Power Plug Grip Lock Screw Magnet Pilot Pin Cutter Fig 7 ...

Страница 11: ...nto play when power failure is restored that has occurred during operation Thanks to this feature when the electric plug that has been disconnected during operation is re plugged into the receptacle or when power failure that has occurred during operation is restored the drill motor will not re start automatically preventing possible accident although magnetic power IS restored To resume operation...

Страница 12: ...A2 50L TJ16019 08050 A3 Fig 10 5 4 Mounting Removing Cutter WARNING Wear safety gloves when replacing cutter CAUTION Do not use any other combinations of Pilot Pin and cutter than those shown in the compatibility table 1 Lift the cutter up by turning handle counterclockwise Fig 11 Upward Downward When mounted on the left side Fig 11 Downward Upward When mounted on the right side Fig 12 2 Insert a ...

Страница 13: ...a medical doctor for medical instructions If someone drinks Cutting Oil immediately make him her drink plenty of water and vomit it Consult with a medical doctor for medical instructions When unconscious do not pour water into his her mouth nor induce him her to vomit 4 Instructions in Case of Fire If fire breaks out in the vicinity wear PPE personal protective equipment and use foam powder or CO2...

Страница 14: ...allow the tank container to rotate for position change In perpendicular drilling on standing wall change the position of tank container so that the air vent of the tank comes on top Fig 17 Fig 17 4 Jet Oiler squeeze bottle is available as the optional accessory Use as follows Remove the tank container from the unit body Mount the optional oil supply adapter tubes and the Jet Oiler all connected as...

Страница 15: ...handle shaft While disengaging from the shaft the handle can be turned to the next lock position Handle lock positions are fixed at each 60 pitch Handle position can be changed without moving up or down the cutter Pulling the handle in the direction of arrow causes the handle to disengage from the handle shaft Fig 21 6 3 Drilling Oblong Hole CAUTION Always drill slowly Drill round holes in the ord...

Страница 16: ...ot pin with the punch Then tighten the lock screw in the arrow direction Fig 24 The lock screw has the wings and is designed to fasten with hands Do not tighten it with a spanner or the like The lock screw can be mounted on either left or right side of the body Lock Screw Fig 24 4 Magnet ON WARNING Check to see that magnetic power is activated Turn on the power switch Magnet will stick to the work...

Страница 17: ...ven after turning off the switch The thicker the work piece plate or the finer the surface finish of the plate more often you will face the case Follow the following instructions Hold the unit at the upper part of the body and the grip then pull down them towards you Upper part of the body Grip Pull towards you Fig 30 10 Removing Slug CAUTION Do not start the next drilling with a slug remaining on...

Страница 18: ...ar or when you have any questions about our products The machine has electronic control Be sure to turn off all the switches pull up the electric drill and then check the machine when the operator come across to the following situations such as Problem Causes Solutions Switch lamp does not come on when the power switch is turned on Power plug is not properly connected to receptacle Connect power p...

Страница 19: ...it is no longer usable Fig 32 Pilot Pin Optimal angle 70 Grind the tip Fig 32 8 3 Recovery Measures When Pilot Pin Gets Jammed To replace the cutter dismount the cutter from drill and remove the pilot pin from the old cutter and insert it into the new replacement cutter The pilot pin serves as the guide for the cutter centering However there are cases the pin would not come off easily because cutt...

Страница 20: ...ht Blue 9 2 Pilot Pin metric size Part No Part Name TK01167 Pilot Pin 06025 C1 TK01166 Pilot Pin 06050 C2 TJ15859 Pilot Pin 08035 A2 TJ16019 Pilot Pin 08050 A3 9 3 Supporting Magnet Ass y Part No Part Name TB04374 Supporting Magnet Ass y 9 4 Jet Oiler Part No Part Name TQ10581 Jet Oiler TQ05275 Tube 4 7 1000 TB07306 Lubrication Adapter Ass y ...

Страница 21: ...0310 22 35 TK00389 22 5 50 TK00311 22 5 35 TK00390 23 50 TK00312 23 35 TK00391 23 5 50 TK00313 23 5 35 TK00392 24 50 TK00314 24 35 TK00393 24 5 50 TK00315 24 5 35 TK00394 25 50 TK00316 25 35 TK00395 26 50 TK00317 26 35 TK00396 26 5 50 TK00318 26 5 35 TK00397 27 50 TK00319 27 35 TK00398 28 50 TK00320 28 35 TK00399 29 50 TK00321 29 35 TK00400 30 50 TK00322 30 35 TK00401 31 50 TK00323 31 35 TK00402 3...

Страница 22: ... Button 1 1 2 TQ13258 Lock Spring 1 1 3 TQ13259 Stopper Pin 1 1 4 TQ13260 Needle Bearing 1 2 TQ07488 Pan Head Tapping Screw B 4 18 4 3 TQ14498 Hex Nut M6 SOB 1 4 TB07094 Bevel Pinion Gear Ass y 1set 5 TQ13263 Ball Bearing 608LLB 1 6 TQ13264 Bearing Retainer 1 7 TQ13273 Armature 230V LO3550 1 8 TQ10540 Dustproof Cover 1 No Parts No Parts Name Q ty 9 TQ13263 Ball Bearing 608LLB 1 10 TQ10541 Bearing ...

Страница 23: ... 142 107 54 51 34 29 13 13 14 15 17 17 18 19 20 10 10 145 35 150 159 63 66 67 68 69 60 71 72 161 73 74 79 81 80 82 49 83 84 85 86 87 88 89 89 92 93 122 121 123 94 95 95 97 96 96 152 96 91 90 143 143 154 154 126 128 162 151 155 130 153 131 144 137 137 75 51 51 78 77 76 75 108 109 110 111 112 113 114 115 116 117 118 119 120 132 151 131 156 158 125 124 148 129 160 11 ORDERING PARTS When ordering part...

Страница 24: ... Screw 4x20 4 97 TQ10387 Dustproof filter φ54 1 98 TP06390 External Retaining Ring C 11 2 99 TQ10737 Washer 11 2x21x1 2 100 TQ10743 Sleeve 1 101 TQ10742 Pinion Shaft 1 102 TP01644 Hex Socket Head Cap Screw 6x12 4 103 TP07419 Hex Nut M6 SOB 1 104 TQ10772 Hex Socket Set Screw with Dog Point 6x12 1 105 TB07260 Body Sub Ass y 1set 106 TQ10804 Serial Number Plate 1 107 TP05136 Drive Rivet NO 2x4 8 2 10...

Страница 25: ......

Страница 26: ... Road Castle Donington Derbyshire DE74 2UT U K Tel 44 1332 653800 Fax 44 1332 987273 Directive 2006 42 EC Machinery Directive 2014 30 EU EMC Directive 2011 65 EU RoHS Directive The above product has been evaluated for conformity with above directives using the following European standards The technical construction file TCF for this product is retained at the above manufacturer s location Machiner...

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