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DFG250-1 

SINGLE SPEED 

DIAMOND FLOOR 

GRINDER 

Operating Manual 

 

This manual is provided to persons purchasing an 

SPE machine and may not be reproduced in part or full 

without written permission of  

SPE International Ltd. 

 

This manual provides the basic information required 

and is only to be used as a guideline. 

The SPE machines are manufactured and covered by 

SPE design registrations granted and pending. 

SPE International Ltd reserves the right to alter the 

equipment design and specification as required 

without notice. 

 

The SPE product range is subject to amendment and 

improvement as a result of on going research 

 

 

 

Honeyholes Lane, Dunholme, Lincoln LN2 3SU, England 

Tel:  +44 (0) 1673 860709  Fax:  +44 (0) 1673 861119 

Email:     sales@spe-int.com 

 

Summary of Contents for DFG250-1

Page 1: ...uired and is only to be used as a guideline The SPE machines are manufactured and covered by SPE design registrations granted and pending SPE International Ltd reserves the right to alter the equipment design and specification as required without notice The SPE product range is subject to amendment and improvement as a result of on going research Honeyholes Lane Dunholme Lincoln LN2 3SU England Te...

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Page 3: ...ll times Service of electrical components should be carried out by authorised personnel Failure to follow these instructions could result in damage to the machine and or serious personal injury or death WARNING Failure to follow these instructions may result in serious personal injury or death SPE disclaims all responsibility for damage to persons or objects arising as a consequence of incorrect h...

Page 4: ...Safety 5 6 Accessories 7 Spare Parts Breakdown 8 Body Components 9 Height Adjusting Components 10 Drive Components 11 Electric Vacuum Water Components 12 Main Components Wiring Diagram 13 Electrical Components 14 Specifications 15 Noise Vibration Assessment 16 Warranty 17 Declaration of Conformity 18 Conditions of Sale ...

Page 5: ... Set the dust skirts to the correct height approx 0 5mm clear of the floor and tighten up screws 8 Lift the floor grinder up using foot pedal ensuring the grinding head is clear of the floor and fit either a dust extraction hose or a water supply Examine grinding plate for any damage and check allen screw bolts are tight See page 2 Changing grinding plate for torque setting The floor grinder is no...

Page 6: ...ne See starting work page 1 10 Reconnect to the power supply CHECK FOR CORRECT WEAR RATE AFTER QUARTER OF AN HOUR AND AGAIN AT HALF AN HOUR INTERVAL THIS WILL GIVE AN IDEA OF WEAR RATE SEE ACCESSORIES SHEET FOR AVAILABLE PLATES Pages 5 6 11 Adjust machine level as the plate reduces through wear WET GRINDING When grinding wet a hose is connected to the water tap on the side of the machine where an ...

Page 7: ... and trouble free operating life if basic procedures are followed The drive belts are tensioned by sliding the motor along the adjusting slots It is important that the drive belts are not over tensioned Serious damage could be caused to the drive shaft drive shaft bearings and drive motor if the belts are excessively tight All components should be checked daily for tightness and the drive belts fo...

Page 8: ...tempting to service the machine Never tip the machine backwards until the grinding plate has stopped rotating and the machine has been isolated at main supply Noise and vibration will occur at various levels dependant on the attachments and work being completed SPE have assessments conducted under test conditions detailed in the operating manual see page 15 However it is recommended that additiona...

Page 9: ... of concrete floor in preparing for follow on coatings General all purpose head for most grinding works Can be used wet or day 6404 High performance 250mm 20 segment blue Fast removal and grinding of most types of plain and painted concrete floors Will key floors for coatings removal of high spots lip edges etc Suitable for first and second stage grinding to terrazzo and aggregated seamless floors...

Page 10: ...ing of cementitious polyurethane and epoxy based terrazzo terrazzo tiles and concrete flooring Provides rapid action and long life Wet use only 6403C Fine grit 250mm 16 segment purple Finishing and polishing of cementitious polyurathane epoxy based terrazzo terrazzo tiles and decorative aggregated concrete flooring Can be used wet or dry 6415 Carborundum grinding and wire brush block holder drive ...

Page 11: ...DFG250 1 Operating Manual 7 ...

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Page 17: ...5 1 Contactor SPLC1D18N7 1 Start Switch SPZB4BZ101 1 Stop Switch SPZB4BZ102 1 Start Button SPZB4BA3 1 Stop Button SPZB4BS44 1 Panel Lamp SPZB4BV5 1 Lens SPZB4BV04 1 Overload SPLRD16 1 Trip SP60HD316 1 Gland 9258 200 1 Brass Bush inc Nut 608 222 4 Rubber Mount 9245 250 1 Isolator 40Amp SPFWA4 3C 1 16A 5Pin Surface Mtd Plug SP610 13 ...

Page 18: ... Length Transformer Generator DFG250 1 380 415 16 Amp 5 Pin 2 5 4 core 75 metres 10 kva Type DFG250 Electric Part Number DFG250 1 Power Output 5 5 kw Voltage 380 415 Cycles 50hz Head Speed r p m 1400 Motor Speed r p m 2800 Machine Dimensions mm Length Width Height Weight kg 1120 670 1040 160 Ballast Weight kg 1x20 14 ...

Page 19: ...ted Energy Equivalent Accelerations ah w Measurement Position Acceleration m s 2 X axis Y axis Z axis Vecto r Sum Handle 2 29 3 54 2 37 4 84 NOISE LEVELS Sound Power Level LWA LWA at Octave Band Centre Frequency Hz Sound Power Level LWA 63 125 250 500 1000 2000 4000 8000 51 1 73 7 88 3 92 0 95 1 97 3 90 9 80 3 100 9 Operator s Ear LAeq T at Octave Band Centre Frequency Hz Overall Level LAeq T LPea...

Page 20: ... the company Conditions of Sale copy attached Warranty start date As despatch date Model DFG250 1 Serial no Customer name Customer Address Manufacturer SPE International Ltd Honeyholes Lane Dunholme Lincoln LN2 3SU England telephone 44 0 1673 860709 fax 44 0 1673 861119 Email sales spe int com Web site www spe int com Distributor 16 ...

Page 21: ... sole responsibility for the supply manufacture of the product Description name DFG250 Diamond Floor Grinder Model type DFG250 1 to which this declaration relates is in conformity with the following standards and other normative documents following the provisions of Directive 2006 42 EC Brian Jacklin Technical Manager SPE INTERNATIONAL LTD 17 ...

Page 22: ...within surface Preparation equipment 5 5 3 Fair wear and tear of moving parts within the goods 5 6 Except in the case of death or personal injury caused by the Company negligence the Company shall not be liable for any consequential loss or damage whether for loss of profit or otherwise or other claims for consequential compensation 6 Carriage Packing carriage and insurance charges in respect of d...

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