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Brobo Group 

 

 

 

brobo.com.au 

CHAPTER 5 – Maintenance & Selection of Consumables 

 
 

5.1. Role of the Operator 

 
The person operating & maintaining the 

Brobo Group 

3M Drill

 must familiarise themselves with these instructions 

for their own safety & that of the others, in addition to safeguarding the production of the machine.  Responsibility 
must be taken by the user on the general maintenance & up keeping of the unit as specified in this chapter, with 
particular emphasis on:   
 

 

Check to ensure that other operators of the machine always aware of & comply with the relevant safety 
instructions & standards as specified in 

Chapter 2 - Safety & Accident Prevention

.  Therefore, check that 

the safety devices are operational & work perfectly & personal safety requirements are complied with. 

 

 

Ensure that the working cycle is efficient & guarantees maximum productivity, inspect the: 

o

  Functions of the main components of the machine 

o

  The sharpness of the drill bit & lubricating fluid 

o

  Correct working parameters for the type of material being drilled 

 

 

Verify that the quality of each drilled hole meets the requirements & that the final product is free from any 
machining defects. 

 
 

5.2. Maintenance Requirements 

 

 

All maintenance must be carried out with the power switched off & the machine in emergency stop condition. 

 

 

To guarantee for optimum operation, all spare parts must be 

Brobo Group

 

originals. 

 

 

On completion of maintenance works, ensure that the replaced parts or any tools used have been removed 
from the machines before starting it up. 

 

 

Any behaviour not in accordance with the instructions for using the machine specified in this manual may 
create hazards and/or safety risks for the operator. 

 

 

Therefore, read & follow all the instructions for use & maintenance of the machine & those on the product 
itself. 
 

 

 

Summary of Contents for 3M Series

Page 1: ...al Grinders Metal cutting Saws Linishers PRODUCT AND MAINTENANCE MANUAL 3M PRECISION DRILLING MACHINE BROBO GROUP AUST PTY LTD A C N 098 264 316 A B N 42 098 264 316 8 Fowler Rd Dandenong 3175 Victoria AUSTRALIA 61 3 9794 8751 info brobo com au Fax 61 3 9794 8792 W www brobo com au Quality Endorsed Company ISO 9001 Lic 10292 SAI GLOBAL Quality System YOUR BROBO DISTRIBUTOR IS ...

Page 2: ...n Support 3 2 Preparation for Operation 3 3 Operation Recommendations CHAPTER 4 Drawings Layouts Assembly Spare Parts 4 1 1 Spare Parts 4 2 1 3M Drill Assembly 4 2 2 3M Drill Rack lift Table Assembly 4 2 3 3M Drill Head Assembly 4 2 4 3M Drill Head Assembly BOM 4 2 5 3M Drill Belt Guard Assembly 1031190 4 2 6 3M Drill Toggle Assembly 2121180 4 2 7 3M Drill Standard Switch Assembly 2131020 4 2 8 3M...

Page 3: ... MAXIMUM DISTANCE SPINDLE TO TABLE 340 714 MAXIMUM DISTANCE SPINDLE TO BASE 530 1208 THROAT DEPTH 191 191 MOTOR kW 1 1 1 1 SPINDLE SPEEDS NOMINAL STRAIGHT DRIVE INTERMEDIATE DRIVE 480 850 1450 2500 150 280 320 480 570 650 1800 2000 3000 480 850 1450 2500 150 280 320 480 570 650 1800 2000 3000 WEIGHT UNPACKED 130kg 145kg WEIGHT PACKED 149kg 164kg HEIGHT PACKED mm 985 1390 HEIGHT INSTALLED mm 985 17...

Page 4: ...urrounding the drill unit Figure 1 Once completed proceed by elevating the machine away from the pallet base using a sling harness wrapped around the entire unit ensuring that it is equally supported Ensure that the floor is as level as possible before finally positioning the machine to the desired location Once in position verify that the electrical supply is connected Attached the 3MT arbour chu...

Page 5: ... such as accessibility to drilled parts safe access for the operator The drill unit arrives fastened to the shipping pallet using 3 M16 bolts provided When positioning fastening the drill please refer to the hole locations shown in Figure 2 Figure 2 Anchoring Hole Locations WARNING EXCEEDING MAXIMUM HEIGHT Do not extend the height of the machine past the maximum height installed indicated Exceedin...

Page 6: ...onnection 3 pins 1 Phase b Three phase machines should be fitted with a suitable approved four pin plugs i e three phase earthing not provided Figure 3 2 Connection for 4 CORE Wire System with Neutral 3 Phase c Check the power supplied motor specifications before plugging in the machine Check the terminal connection on dual voltage motor terminal box connect it accordingly to the corresponding vol...

Page 7: ...power switch on the main box is closed set to OFF position 4 To prepare the machine for operation release the STOP EMERGENCY STOP button by twisting the red mushroom button To activate the drill engage the green START button 5 Check that the spindle rotary direction change the phasing if required clockwise rotation observing top down on top of the motor pulley 6 If all of the above procedures have...

Page 8: ...EEC DIRECTIVE ON MACHINERY No 98 37 CE Danger Zone any zone in and or around a machine in which the presence of a person constitutes a risk to the safety health of that person Person Exposed any person finding him or herself either completely or partly in a danger zone Operator the person or persons are given the responsibility of installing operating adjusting maintaining cleaning repairing trans...

Page 9: ... to eliminate areas of shadow whilst also preventing dazzling illumination sources Reference standard ISO 8995 2002 Lighting of Indoor Workplaces Connection Check that the power supply cables compressed air supply if applicable and or coolant system complies with are operating within the acceptable range of the drill capabilities Faulty damaged or worn components must be replaced immediately Earth...

Page 10: ...a hair net Always disconnect the power supply to the machine before carrying out any maintenance work or adjustments This includes cases of abnormal operations of the machine Any maintenance work performed on the hydraulic pneumatic or coolant systems must be carried out only after the pressure in the system has been released The operator MUST NOT conduct any risky operations or those not required...

Page 11: ...up 3M Drill are those specified by the EEC Committee that governs the safety of machinery health safety at work personal protection safeguarding of the work environment In addition the drill also complies with the Australian Standards regarding the safeguarding general requirements for electrical equipment 2 4 1 Reference Standards MACHINE SAFETY EEC Directive No 98 37 CE Machines Directive EEC Di...

Page 12: ... front of the drill unit the spindle speed setting is located on the right hand side of the cover beneath the locking mechanism To change the spindle speed settings the user must manually change the V belt positions as shown in the black panel 3 1 2 Safety Eye Shields As the name suggests the safety eye shield should be lowered into position prior to drilling to prevent any swarf dislodging in the...

Page 13: ...Table Available in round or rectangular profile all workpiece is fastened to the rack lift table using a standard mechanical vie not provided The rack lift can be adjusted up or down via the rack handle to obtain optimum user working height 3 1 5 Drill Column Support Prior to usage ensure that the column support is securely fastened to the ground using the 3 x M16 bolt holes provided Figure 9 Rack...

Page 14: ...ide indent is created Steadily increase the feed rate of drilling by applying a constant yet steady force on the feed handle until the desired hole depth is reached 6 Reverse the direction of the drill fed until it comes to rest in its start position turn the drill machine off 3 3 Operation Recommendations To reduce the amount of frictional contact between the drill bit workpiece a light coating o...

Page 15: ... Group Engineering department PART NUMBER SPARE PART DESCRIPTION 1132010 BASE FLOOR TYPE 2112010 COLUMN SUPPORT use with Floor Base 2114060 COLUMN FLOOR Solid 1220mm 1035190 COLUMN BENCH Solid 767mm 2122020 COLUMN CLAMP includes 1042000 2124050 2121310 RACKLIFT ASSEMBLY COMPLETE Floor Type 1041080 RACKLIFT ASSEMBLY COMPLETE Bench Type 2114010 RACK 2111140 WORMWHEEL BUSH ASSEMBLY 2114020 WORM 21140...

Page 16: ...BASE DRILL COLUMN SUPPORT DRILL RACKLIFT TABLE DRILL HEAD 3M DRILL 3M DRILL ASSEMBLY TITLE A4 SHEET 1 OF 1 SCALE NTS ISSUED DATE 03 12 2018 DRAWN BY ANH BROBO GROUP Address 8 Fowler Rd Dandenong VIC 3175 https brobo com au ...

Page 17: ... 41 58 55 56 59 57 60 42 43 45 46 47 48 49 2122130 QUILL ASSEMBLY 1 12 1041170 PULLEY INTERMEDIATE DRIVE ASSEMBLY 24 30 2111170 SPINDLE EXTENSION ASSEMBLY 2121180 DRILL TOGGLE ASSEMBLY 2131020 STANDARD SWITCH ASSEMBLY 1051190 BELT GUARD ASSEMBLY 1031570 CHUCK GUARD BROBO GROUP 3M DRILL HEAD ASSEMBLY TITLE A4 SHEET 1 OF 2 SCALE NTS ISSUED DATE 05 12 2018 DRAWN BY ANH ...

Page 18: ...0 External Circlip 15mm 1 29 1045290 Intermediate Drive Pulley 1 30 1045280 Bearing 6002 2Z 2 ITEM NO PART NUMBER DESCRIPTION QTY 31 1045270 Drill Motor Pulley 3 stepx19mm 1 32 1105160 Drill Motor LM E 80L4 1 33 2122070 Motor Plate 1 34 2122080 Motor Plate Hinge 1 35 8705120 Socket Head Cap Screw M8x20 5 36 2124210 Pivot Pin 1 37 1063110 Switch Plate 1 38 FCM4x16 Flat Countersink M4x16 4 39 870525...

Page 19: ...d Socket Screw M6x16 3 8 1105050 Catch Plate 1 7 1015240 Latch 1 6 8715930 Rivet 5 1034340 Piano Hinge 1 4 1035360 Drill Belt Guard Cover 1 3 1034250 Rubber Buffer 2 2 1604100 Plate Clamp 1 1 1035370 Drill Belt Guard Bottom 1 SCALE 1 5 A4 1051190 TITLE 3M DRILL BELT GUARD ASSEMBLY ISSUED DATE 13 12 2018 DRAWN BY ANH SHEET 1 OF 1 PART NO BROBO GROUP Address 8 Fowler Rd Dandenong VIC 3175 https brob...

Page 20: ...90 Toggle Link External External Circlip 10mm 2 6 2115100 Drill Toggle Top Spring 1 5 2124180 Drill Toggle Link Pin 2 4 2134200 Drill Toggle Link 2 3 SSCPM6x8 Set Screw Cup Point M6x8 1 2 2124170 Drill Toggle Head Pivot Pin 1 1 2122090 Motor Plate Toggle 1 SCALE 1 5 A4 2121180 TITLE 3M DRILL TOGGLE ASSEMBLY ISSUED DATE 13 12 2018 DRAWN BY ANH SHEET 1 OF 1 PART NO BROBO GROUP Address 8 Fowler Rd Da...

Page 21: ...w M12x40 2 4 1041600 Drill Switch Aseembly 1Ph 1 5 WARNING LABEL Electrical Hazard Safety Sign 1 FOR 3 PHASE SWITCH 2131030 ITEM NO PART NO DESCRIPTION QTY 6 1041600 Drill Switch Aseembly 1Ph 1 SCALE 1 5 A4 2131020 TITLE 3M STANDARD SWITCH ASSEMBLY ISSUED DATE 13 12 2018 DRAWN BY ANH SHEET 1 OF 1 PART NO BROBO GROUP Address 8 Fowler Rd Dandenong VIC 3175 https brobo com au ...

Page 22: ...ange 51 70mm BandWidth 12mm 1 2 1033190 Link Arm U Shape 1 3 1033250 Link 2 Both End Serated 4 4 1033260 Link 3 One End Serated 2 5 1033270 Link 4 Plain Ends 2 6 1035850 Shield Polycarbonate PC 1 7 8735480 Disc Spring 10x 4 2x0 4 6 8 8725050 Nylon Lock Nut M4 8 9 8725040 Slotted Pan Head Screw M4x16 6 10 8725030 Slotted Pan Head Screw M4x10 2 SCALE 1 5 A4 1031570 TITLE 3M 2M DRILL CHUCK GUARD ASSE...

Page 23: ...aring 20x35x10 1 8 2114020 Drill Spindle 1 7 1042000 Hex Nut M10 1 6 2124050 Drill Clamp Handle 1 5 2122160 Drill Crank Handle 1 4 2122030 Drill Table Support 1 3 1044180 Drill Table Support Pin 1 2 8725960 Socket Head Cap Screw M10x40 1 1 2122040 Drill Table 1 ITEM NO PART NUMBER DESCRIPTION QTY DRILL FLOOR BASE 23 8725500 Socket Head Cap Screw M10x35 4 22 SHCSM10 50 Socket Head Cap Screw M10x50 ...

Page 24: ...390 NOTE MINIMUM 600MM ALL AROUND SAFE SPACE FOR OPERATING ZONE ANCHOR HOLE LOCATION TABLE SIZE 3M DRILL FLOOR MOUNT TITLE A4 SHEET 1 OF 1 SCALE NTS ISSUED DATE 07 12 2018 DRAWN BY ANH BROBO GROUP Address 8 Fowler Rd Dandenong VIC 3175 https brobo com au ...

Page 25: ...ART NUMBER DESCRIPTION QTY 1 1132010 Drill Floor Base 1 2 8705300 Socket Head Cap Screw M12x100 2 3 8705280 Socket Head Cap Screw M12x65 1 4 8725500 Socket Head Cap Screw M10x35 4 5 2442160 Column Support Bench 1 6 2114310 Drill Column Bench 1 7 2114010 DRILL Table Racklift 1 3M DRILL BENCH MOUNT TITLE A4 SHEET 1 OF 1 SCALE NTS ISSUED DATE 13 12 2018 DRAWN BY ANH BROBO GROUP Address 8 Fowler Rd Da...

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Page 30: ...THREE PHASE ONE PHASE COMPONENT SCHEMATIC WIRING DIAGRAMS FOR CONNECTION FOR 1 PHASE OR 3 PHASE CIRCUIT ISOLATOR OPTION ...

Page 31: ...ITCH MOMENTARY 1 UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH TOLERANCES LINEAR ANGULAR MATERIAL DO NOT SCALE DRAWING REVISION TITLE DWG NO SCALE 1 2 SHEET 1 OF 1 A3 WEIGHT 1041650 FOOTSWITCH KIT ASSEMBLY BROBO GROUP Address 8 Fowler Rd Dandenong VIC 3175 https brobo com au 13 12 02018 0 DRAWN DATE ANH ALL RIGHTS RESERVED THIS DRAWING MAY NOT BE REPRODUCED OR TRANSMITTED...

Page 32: ...cle is efficient guarantees maximum productivity inspect the o Functions of the main components of the machine o The sharpness of the drill bit lubricating fluid o Correct working parameters for the type of material being drilled Verify that the quality of each drilled hole meets the requirements that the final product is free from any machining defects 5 2 Maintenance Requirements All maintenance...

Page 33: ...grease Shell Alvania No 1 grease or equivalent 3 Check the belt condition tension regularly Do not over tighten belts as this will inadvertently exert tension on the spindle motor bearings To provide the right tension follow the belt manufacturer s recommendations specifications 4 Clean lubricate any moving joints or sliding surfaces with good quality oil 5 Clean the drill machine regularly keep a...

Page 34: ...ceeds the recommended drilling capacity V Belt slipping Blunt drill bit Excessive swarf trapped in the drill hole Ensure that the vice clamps are securely fastened to the workpiece prior to drilling Slow down the drill feed rate else it might cause the drill bit to break cause harm to the operator Check that no swarf is lodged in the chuck unit Remove aggregate using an air gun Also check that the...

Page 35: ...ricant on the drill bit continue with the drilling process The bearing seal components can be purchased directly from your nearest Brobo distributor For more information please check www brobo com au All component of the 3M drill is sold as spare parts pending availability Please contact your nearest Brobo distributor or our Brobo Group head office Please visit www brobo com au for more details ...

Page 36: ...dertaken The power source is to be isolated prior to opening electrical enclosures Noise Low Under no load testing the noise level measured is below 80db A If the noise level becomes too high during a drilling cycle stop the process inspect for the problem if any are present Substance Low Keep the work area clean regularly remove excess coolant oils another aggregate Hazardous Events Unexpected St...

Page 37: ... to normal wear tear on the goods 1 5 The Supplier is under no obligation under this warranty where the Customer has failed to observe the terms of payment for the goods or any other obligation imposed by the terms conditions of this warranty 1 6 In the event that the Supplier is supplying goods which have been manufactured by third parties the Customer shall be entitled to the benefit of any Manu...

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