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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 AO-5575A

Professional Tool 

For One-Touch Type Annular Cutter Only

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

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Model

AO-5575A

Power Supply (Single Phase)

220-240 V

 AC 

50/60 Hz

Drill Motor

Rated Power Consumption

950 W

Rated Current

4.3 A

No-load Speed

520 min

-1

Load Speed

300 min

-1

Magnet Power Consumption

50 W

Hole Capacity

JETBROACH One-touch type

Max. Hole Diameter 55 mm dia.
Max. Plate Thickness 75 mm 

HI-BROACH One-touch type
AUSTBROACH

Max. Hole Diameter 50 mm dia.
Max. Plate Thickness 50 mm

Magnet Holding Power

10 kN

Magnet Size

86 × 170 mm

Weight

17.5 kg

Original Instructions

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

Manufactured by :

1,772.2+.,&R/WG

9-4, NAKAIKEGAMI
2-CHOME, OHTA-KU, 
TOKYO, 146-8555, JAPAN
Tel  : +81-3-3755-1111 
Fax :  +81-3-3753-8791

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TQ15123-0

04/2017

Summary of Contents for ATRA ACE AO-5575A

Page 1: ...urrent 4 3 A No load Speed 520 min 1 Load Speed 300 min 1 Magnet Power Consumption 50 W Hole Capacity JETBROACH One touch type Max Hole Diameter 55 mm dia Max Plate Thickness 75 mm HI BROACH One touch...

Page 2: ...ns 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 8VLQJ WKLV WRRO LPSURSHUO FRXOG UHVXOW LQ VHULRXV LQMXU Read the inst...

Page 3: ...ur drilling machine will cause big sound RFFXUV 7KHVH ZLOO FDXVH VHYHUH KHDULQJ ORVV LQMXULHV You must always wear suitable hearing protection OZD V HDU UHVSLUDWRU SURWHFWLYH HTXLSPHQW 33 Always Wear...

Page 4: ...u carry the machine MAINTENANCE R QRW WDNH DSDUW RU PRGLI RXU PDJQHWLF GULOOLQJ PDFKLQH Do not attempt to disassemble or modify your magnetic drilling machine Do not modify your magnetic drilling mach...

Page 5: ...g set up inspection or maintenance can cause accidents and severe LQMXULHV ABOUT YOUR NITTO PORTABLE MAGNETIC DRILLING MACHINE DANGER R QRW XVH RXU SRUWDEOH GULOOLQJ PDFKLQH RQ WKH ceiling Use of the...

Page 6: ...Attempting to straddle a hole will reduce the power of the Magnet This will cause the work piece to come loose during operation and can cause an accident OZD V XVH D FKDLQ WR VHFXUH WKH PDFKLQH I WKH...

Page 7: ...cident See Section 5 3 to identify compatible Pilot Pins and cutters The proper Pilot Pin to be used will vary depending on the type of cutter the diameter of the cutter and the length of the cutter R...

Page 8: ...akes 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 short shipment please contact sales...

Page 9: ...8 3 57 1 0 6 Fig 8...

Page 10: ...power restored To resume operation turn ON the Motor Switch on the rear of the machine to start the Drill Motor 0DJQHW QWHUORFNLQJ XQFWLRQ If the magnet is disconnected the lamp will blink in red and...

Page 11: ...LQ LQMXU PD UHVXOW LI LW comes into contact with your skin Wear respirator when exposure to respiratory hazards with oil mist or vapor is anticipated Inhalation of oil mist or vapor may make you feel...

Page 12: ...ded apply to regular handling If special handling method is used take safety measures that are suitable for your applications and usage The information contained herein is for your reference purpose o...

Page 13: ...F turns off the switch lamp and Magnet power MAGNET MOTOR push push Fig 17 Fig 18 ULOOLQJ 3URFHGXUH 3XQFK 0DUNLQJ Put a rather large punch mark in the workpiece by driving a punch down with a hammer T...

Page 14: ...QJ WKH PDLQ ERG WR VZLQJ CAUTION 2QO SHUIRUP GULOOLQJ RSHUDWLRQ ZKHQ WKH 2YHUORDG HWHFWRU DPS LV OLW LQ JUHHQ DQG RUDQJH I GULOOLQJ RSHUDWLRQ FRQWLQXHV ZKLOH WKH ODPS LV OLW LQ UHG WKH ULOO 0RWRU PD E...

Page 15: ...ay not be fed into the workpiece with too much force Spacing between each step of drilling operations should be so arranged that the Pilot Pin will always hit the material yet to be machined Fig 27 Fi...

Page 16: ...isconnected Request for repair Orange lamp blinks the workpiece is displaced after magnet attraction Fix the workpiece Drill Motor stops during drilling Magnet is not working with Magnet lamp not illu...

Page 17: ...clearance make DGMXVWPHQW E WLJKWHQLQJ VOLGH ERDUG DGMXVWLQJ screws on the side of the machine using the same torque all round so that the Drill Motor will not come down on its own weight Fig 28 UDFN...

Page 18: ...s without cutting new threads 4 After replacement run the machine with no load for approx 10 minutes 8mm Fig 31 237 21 3 576 1LWWR UDQG XWWLQJ 2LO CAUTION 8VH 1LWWR EUDQG XWWLQJ 2LO IRU WUD FH 3DUW 1R...

Page 19: ...nt a blade to the Blade Base in the direction as VKRZQ LQ WKH JXUH 2 Mount cutter Loosen the Hex Socket head Cap Screws 5 12 and pull the Blade in the direction as shown by the arrow until it no longe...

Page 20: ...K01010 25 75 TK01020 35 75 TK01030 45 75 TK01116 55 75 TK01011 26 75 TK01021 36 75 TK01031 46 75 L URDFK 2QH 7RXFK 7 SH PHWULF VL HV 3DUW 1R LDPHWHU HSWK PP 3DUW 1R LDPHWHU HSWK PP 3DUW 1R LDPHWHU HSW...

Page 21: ...to Portable Magnetic Drilling Machine Do not take the machine apart Contact an authorized 1LWWR GHDOHU IRU DOO VHUYLFH DQG UHSDLU RI WKH PDFKLQH PSURSHU VHUYLFH DQG UHSDLU FDQ FDXVH DFFLGHQWV DQG VHYH...

Page 22: ...21...

Page 23: ......

Page 24: ...21 6415 3935 Fax 86 21 6472 6957 www nitto kohki cn NITTO KOHKI SHANGHAI CO LTD Shenzhen Branch 2005C Shenzhen ICC Tower Fuhuasanlu 168 Futian District Shenzhen Guangdong 518048 China Tel 86 755 8375...

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