Nitto Kohki AO-5575 Instruction Manual
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Nitto Kohki AO-5575 Instruction Manual

Portable magneticdrilling machine
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PORTABLE MAGNETICDRILLING 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
Professional Tool
Model
Power Supply (Single Phase)
Rated Power Consumption
Rated Current
Drill Motor
No-load Speed
Load Speed
Magnet Power Consumption
JETBROACH One-touch type
Hole Capacity
HI-BROACH One-touch type
AUSTBROACH
Magnet Holding Power
Magnet Size
Weight
Short - Circuit Current Rating
The specifications and configurations contained in this document are subject to
change without prior notice due to improvements we are making day in, day out.
Keep the manual handy – so you can use it whenever necessary.
Model AO-5575
For One-Touch Type Annular Cutter Only
(Side-Lock Type Annular Cutter cannot be used.)
Specifications
Max. Hole Diameter 55 mm dia.
Max. Plate Thickness 75 mm
Max. Hole Diameter 50 mm dia.
Max. Plate Thickness 50 mm
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 : overseas@nitto-kohki.co.jp
URL : www.nitto-kohki.co.jp
AO-5575
220-240 V
50/60 Hz
1150 W
5.4 A
-1
350/650 min
-1
250/450 min
50 W
10 kN
86 × 170 mm
18 kg
5kA
Original Instructions

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  • Page 1 PORTABLE MAGNETICDRILLING 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-5575...

  • Page 2: Table Of Contents

    T h a n k y o u v e r y m u c h f o r y o u r POWER TOOL SAFETY ……………………………………… 3 purchase of Nitto Kohki product. Before using your machine, please ABOUT YOUR NITTO PORTABLE MAGNETIC …………………………………………...

  • Page 3: General Safety Rules

    GENERAL SAFETY RULES ABOUT THE WORK AREA Keep Work Area Clean WARNING Always keep your work area clean. Cluttered work TO OPERATORS areas cause accidents. Always keep clear of other Always Wear Proper Clothing objects. Do not wear loose clothing. Loose clothing can Never use the magnetic drilling machine when it is become caught in the drilling machine.

  • Page 4: Power Tool Safety

    tools after adjustments have been made to the damaged or worn cutter. Do not operate the machine drilling machine. Always remove all adjustment tools with a damaged or worn pilot pin. Do not operate the before using the drilling machine. machine with any damaged accessory.

  • Page 5: About Your Nitto Portable Magnetic Drilling Macine

    inspect the cord. Do not use the machine if the cord the Magnet is hot, touching it will cause a severe is damaged. burn injury. Never use the Magnet for more than Always use a ground fault circuit interrupter. The use five continuous hours.

  • Page 6: Of Securing The Machine. Use A Supporting Magnet Assy To Prevent The Machine From Falling The Use Of A Supporting Magnet Assy Is Shown Below. (Fig

    to boost the holding power of the Magnet.(Fig.3) Use of an inappropriate back-up plate can result in an accident, If the back-up plate is not thick enough Chain or big enough, the machine will come loose during operation. This can result in an accident and severe injuries.
  • Page 7 including protective headgear, eye protection, hearing protection, and gloves. Do not allow any person without protective equipment to come near the machine. Do not use your hands to remove chips. Chips have sharp edges. Use a screwdriver to remove chips. If you use your hands to remove chips, you can be injured, even if you are wearing gloves.

  • Page 8: Application

    1 APPLICATION 2 RECEIVING INSPECTION This is a portable drilling machine with a Magnet, Upon unpacking, check to see that the shipment is geared to drilling mild steel (mild steel or equivalent) complete without damage or oil leakage in transport. using One-Touch type Jet-Broach or Hi-Broach.

  • Page 9: Part Names

    3 PART NAMES Fig. 8...

  • Page 10: Functions Of Electronic Control

    5 MACHINE SETUP 4 FUNCTIONS OF ELECTRONIC CONTROL WARNING 4-1. Overload Detecting Function When setting up machine, turn off the Magnet WARNING Switch and disconnect the power supply plug Don't touch the cutter even if the Drill Motor from power source. stops temporarily.
  • Page 11 5-4. Mounting/Removing Cutter 5-5. Setting the Change Knob WARNING CAUTION Wear safety gloves when replacing cutter. Change gear only after switching off the line and stopping rotation. CAUTION Slide the Change Knob to the end. If the Do not use any other combinations of Pilot Slotted Head Screw projects from the Change Pin and cutter than those shown in the Knob, it means the gear change is insufficient...
  • Page 12 sick. (7) Others When diluting Cutting Oil, follow the instructions per When Cutting Oil is poured into another container the Operation Manual. for use, post chemical and label information at the Keep Cutting Oil out of reach of children. site where it is kept. At the same time, keep the Don’t drink Cutting Oil.

  • Page 13: Machine Operation

    Always keep the pinion teeth clean and covered MAGNET MOTOR with grease. (3) Insert the Pinion Shaft Assy from the other side push of the shaft hole, and put the Screw back. push 5-8. Connecting the Power Supply Plug to Power Source Fig.
  • Page 14 (4) Magnet ON (9) Drilling WARNING WARNING Check to see that Magnetic power is at work. Don't press the Rod Handle strongly or the Turn on the Magnet Switch. The switch lamp will Magnet may lift, causing the main body to glow and magnetic power will come on.
  • Page 15 6-4. Drilling Stacked Plates MAGNET MOTOR CAUTION push Remove slug as each plated is finished: otherwise, being blocked by the slug left push unremoved, the cutter cannot cut into the next Fig. 27 Fig. 28 layer of plate, which results in the Magnet base (11) Removing Slug being pushed up possibly causing accident.

  • Page 16: Troubleshooting

    7 TROUBLESHOOTING WARNING Never attempt to repair machine yourself: injury or damage to equipment may result. Please feel free to consult the sales agent through which you have purchase your machine or an authorized dealer, when the following symptoms appear or when you have any questions about our products.

  • Page 17: Maintenance/Service

    8 MAINTENANCE/SERVICE WARNING Always disconnect the power and turn off the switch before attempting any maintenance. Failure to disconnect the power and turn off the switch during set up, inspection or maintenance can cause accidents and severe injuries. Check to see periodically that mounting screws are tight.

  • Page 18: Optional Parts

    9-2. Pilot Pin Cutting chips (metric size) Part No. Part Name Depth(mm) Applicable Cutter(mm) Hi-Broach 12 to 17 dia. Cutter TK01167 Pilot Pin 06025 Jetbroach 12 to 17 dia. TJ12696 Pilot Pin 08025 Hi-Broach 17.5 to 35 dia. TJ15859 Pilot Pin 08035 Jetbroach 17.5 to 40 dia.
  • Page 19 9-6. Chip Breaker Chip Breaker Ass’y Part No. Part Name TB07474 Chip Breaker Ass’y Hex. Socket Head (TQ10787) Blade Cap Screw 6 10 (TQ10695) Blade Base Blade Base (TP14178) Hex. Socket Head Cap Screw 6 (TP01945) Hex. Socket Head Cap Screw 5 Blade (TP01939) Hex.

  • Page 20: Ordering Parts

    Jetbroach One-Touch Type 50L(metric sizes) Part No. Diameter × Depth(mm) Part No. Diameter × Depth(mm) Part No. Diameter × Depth(mm) Part No. Diameter × Depth(mm) TK01154 12 ×50 TK00387 21.5×50 TK00400 30 ×50 TK00413 43 ×50 TK01155 13 ×50 TK00388 22 ×50 TK00401 31 ×50...

  • Page 23: Exploded Diagram: Drill Motor

    12 Exploded Diagram: Drill Motor WARNING This diagram is for reference only. Do not attempt to service or repair the Nitto Portable Magnetic Drilling Machine. Do not take the machine apart. Contact an authorized Nitto dealer for all service and repair of the machine. Improper service and repair can cause accidents and severe injuries.
  • Page 24 Tel: (65)-6227-5360 Fax:(65)-6227-0192 http://www.nitto-kohki.co.jp/e/nksb/ NITTO KOHKI EUROPE Co., Ltd. Unit 21, Empire Centre, Imperial Way, NITTO KOHKI Co., Ltd. Shanghai Representative Office Watford Hertfordshire, WD24 4TS, United Kingdom #1117 Ruijing Building, Maoming South Road, Shanghai 200020 China Tel: (44)-01923-239668 Fax:(44)-01923-248815 http://www.nitto.co.uk/...

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