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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
Professional Tool
Model
Power Supply (Single Phase)
Rated Power Consumption
Drill Motor
Rated Current
No-load Speed
Magnet Power Consumption
Drilling Capability JETBROACH One-touch type
Max Magnetic Force
Magnet Size
Weight
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 LO-3550
For One-Touch Type Annular Cutter Only
(Side-Lock Type Annular Cutter cannot be used.)
Specifications
220-240 V ∼ 50/60 Hz
Hole diameter: 12 mm to 35 mm dia.
Plate thickness: MAX. 50 mm
(Cord and Sub handle are not included.)
Manufactured by :
NITTO KOHKI Co., Ltd.
2-9-4, Nakaikegami, Ohta-ku,
Tokyo, 146-8555, Japan
TEL
FAX
E-mail : overseas@nitto-kohki.co.jp
URL : www.nitto-kohki.co.jp
LO-3550
800 W
3.3 A
950 min
35 W
5500 N
65 mm × 145 mm
8.7 kg
: (81)-3-3755-1111
: (81)-3-3753-8791
Original Instruction
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Summary of Contents for Nitto Kohki LO-3550
- Page 1 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...
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Page 2: Table Of Contents
8. MAINTENANCE/SERVICE …………………………… 18 :Bitte fragen Sie lhren Händler ・German 9. OPTIONAL PARTS …………………………………… 19 nach eine Betriebsanleitung in 10. ATRA ACE LO-3550 MOTOR ASSEMBLY Landessprache. …………………………………… 21 AND PARTS LIST :S'il vous plait, veuillez demandez 11. ORDERING PARTS …………………………………… 22 ・French... -
Page 3: General Safety Rules
Always keep your hand and clothing away from the GENERAL SAFETY RULES cutting tip. WARNING ABOUT THE WORK AREA Keep Work Area Clean TO OPERATORS Always keep your work area clean. Cluttered work ● Always Wear Proper Clothing areas cause accidents. Always keep clear of other Do not wear loose clothing. -
Page 4: General Power Tool Safety Warnings
Always secure your drilling machine. Improperly Modifications can cause accident and severe ● mounted drilling machine can come loose. This can injuries. cause severe injuries. Always secure the drilling All service and repairs must be performed by an ● machine. authorized Nitto dealer. - Page 5 mains-operated power tool. Prevent unintentional starting. Ensure the ● <Work area safety> switch is in the off-position before connecting Keep work area clean and well lit. Cluttered or to power source and/or battery pack, picking up ● dark areas invite accidents. or carrying the tool.
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Page 6: Power Tool Safety
the work to be performed. Use of the power tool is damaged. for operations different from those intended could Always use a ground fault circuit interrupter. The use ● result in a hazardous situation. of a ground fault circuit interrupter may be required by government regulations. - Page 7 stainless steel, copper or alloys. The Magnet will not work on non-magnetic materials. Attempting to use the Magnet on non-magnetic materials could cause an accident. Use caution during wall operation. When using your portable magnetic drilling machine ● on a magnetic wall, always use caution. Never stand under the machine.
- Page 8 Align the magnet parallel to the longer direction of gloves. Do not use your hands to remove chips the work piece. under any circumstances. Since the surfaces of both sides of H-beam is The cutting edge is sharp. ● normally warped as shown in Fig. 4, the magnet Always wear gloves when changing the cutter.
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Page 9: Application
Don’t use this machine on the steel material being 1 APPLICATION electrically welded. When the electric welder is not properly grounded, This is a portable drilling machine with a Magnet, ● electricity will run through the Atra Ace machine geared to drilling mild steel (mild steel or equivalent) v i a i t s M a g n e t , c a u s i n g p o s s i b l e f a i l u r e o r using One-Touch type Jet-Broach. -
Page 10: Part Names
3 PART NAMES Start Switch Red LED Stop Switch Blue LED Power Switch Power Plug Handle Coolant Tank Switch Cover Grip Cutter Pilot Pin Magnet Lock Screw Fig. 7... -
Page 11: 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 ● When overload is detected during drilling operation, Switch and disconnect the power supply plug the following automatic functions are activated. from power source. - Page 12 5-2. Using Cutter When mounted on the right side CAUTION Downward Upward Use One-Touch type cutters only. ● For better workability and safety, do not use ● worn or damaged cutters. 5-3. Combination of Cutter and Pilot Pin CAUTION Do not use any other combinations than those ●...
- Page 13 (4) To remove the cutter, turn the sleeve medical instructions. counterclockwise. The cutter will come off. (Fig. 15) If someone inhales oil mist or vapor, immediately ● take him/her to an area where fresh air is abundant Spindle Arbor and wrap up his/her body with a blanket, etc. to Sleeve keep body temperature.
- Page 14 reference purpose only, to which we make no warranty of any kind and for which we shall not be held responsible. (1) Always use our genuine cutting oil. With other cutting oil, the cutting performance and service life would be decreased. (2) Dilute the cutting oil eight to ten portions of tap water.
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Page 15: Machine Operation
Handle position can be changed without moving up or down the cutter. Pulling the handle in the direction of arrow causes Blade stay the handle to disengage from the handle shaft. Blade Pull the blade away Clearance 0.5∼0.8mm Fig. 19 6 MACHINE OPERATION Fig. - Page 16 (4) Magnet ON WARNING Check to see that magnetic power is activated. Turn on the power switch. Magnet will stick to the work piece. (Fig. 25) LOAD OVER LOAD Stop switch Start switch Fig. 23 (2) Make sure to clean the both portions of surface of the work piece where the magnet is placed and MAGNET the hole is cut.
- Page 17 (7-2) Final stage of drilling Upper part of the body Grip CAUTION When drilling a hole in an angle, channel or H-section irons, etc., cutter may be damaged when it comes to the slanted part of the work piece on the final cutting stage. Feed slowly in its start and finish cutting.
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Page 18: Troubleshooting
(11) Lock handle can be replaced with Hex. Socket Head Cap Screw CAUTION The unit body can be moved back and force or sideways to facilitate proper alignment of pilot pin to the punch mark. When the lock handle interferes the proper alignment due to narrow space proceed hole making in the following manner. -
Page 19: Maintenance/Service
8 MAINTENANCE/SERVICE Cutting chips WARNING Always disconnect the power and turn off the ● Cutter switch before attempting any maintenance. Failure to disconnect the power and turn off the Pilot Pin switch during set up, inspection or maintenance Fig. 33 can cause accidents and severe injuries. -
Page 20: Optional Parts
9 OPTIONAL PARTS 9-1. Nitto-Brand Cutting Oil CAUTION Use Nitto-brand Cutting Oil for Atra Ace. Part No. Part Name TB01507 Cutting Oil 2ℓ (Light 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) - Page 21 9-5. Cutter Jetbroach One-Touch Type Part No. Diameter × Depth (mm) Pilot Pin Part No. Diameter × Depth (mm) Pilot Pin TK01148 12 ×25 TK01154 12 ×50 TK01149 13 ×25 TK01155 13 ×50 TK01150 14 ×25 TK01156 14 ×50 TK01151 15 ×25 TK01157 15 ×50...
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Page 22: Atra Ace Lo-3550 Motor Assembly And Parts List
10 ATRA ACE LO-3550 MOTOR ASSEMBLY AND PARTS LIST 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. - Page 26 We hereby declare that the following our product conforms with the essential health and safety requirements of EU Directives. Product： PORTABLE MAGNETIC DRILLING MACHINE Model： ATRA ACE : LO-3550 Serial No： In the case of 6 digits serial number. X X X X X X Consecutive numbers (00001∼99999) Last digit (0-9) of year (A.D.)
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