DIAQUIP QDM-350 Operator'S Manual Download | Manualshive

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Summary of Contents for QDM-350

Page 1: ...QDM 350 DIAMOND CORE DRILLING MACHINE OPERATORS MANUAL ...

Page 2: ...000 220 370 620 Drilling Capacity Dimensions Gear Oil Capacity Spindle Thread Protection Class Weight Gear Oil Type Ø350 550mm x 155mm x 210mm 500ml 1 1 4 UNC male 1 2 BSP female Class 1 With RCD 11 5kg QDM 350 DIAMOND CORE DRILLING MACHINE Water Feed Valve Quick Release Water Coupling On Off Switch Tail Handle Gear Selector Motor Unit 230V MODELS Tubular Spirit Level 110V MODELS On Off Switch ...

Page 3: ...tric shock b Avoid body contact with earthed or grounded surfaces such as pipes radiators ranges and refrigerators There is an increased risk of electric shock if your body is earthed or grounded c Do not expose power tools to rain or wet conditions Water entering a power tool will increase the risk of electric shock d Do not abuse the cord Never use the cord for carrying pulling or unplugging the...

Page 4: ... the power tool Use the correct power tool for your application The correct power tool will do the job better and safer at the rate for which it was designed b Do not use the power tool if the switch does not turn it on and off Any power tool that cannot be controlled with the switch is dangerous and must be repaired c Disconnect the plug from the power source and or the battery pack from the powe...

Page 5: ...in this manual V Volts A Amperes Hz Hertz W Watt Alternating current no Rated speed min 1 Revolutions or reciprocation per minute Protective earth Warning of general danger Class II double insulated tool Read these instructions Always wear eye protection Always wear a dust mask Always wear hearing protection Wear safety approved hard hat Do not dispose of electric tools accessories and packaging t...

Page 6: ... drilling operation Drain or shut off these conduits as required Block off the working area and place warning signs on both sides of the wall when drilling through from one side to the other Take appropriate precautions to ensure that in the event of a drilling core dropping out no personal injury or material damage will result When drilling hollow components check the flow route of the cooling wa...

Page 7: ...h spirit levels which aid in aligning the tool By positioning the machine so that the bubble is in the center of the window one can drill a straight hole Use the Tubular Level for horizontal aligning DRILL SAFETY WARNINGS WARNING Incorrect clamping and positioning of the drill core bit may lead to dangerous situations by broken and ejected parts of the drill core bit Core bits must be assembled co...

Page 8: ...ion of this machine is equipped with its own in line PRCD Always use this device whenever using the machine to reduce the risk of shock hazards Always position the device PRCD as close as possible to the power source Test and reset the PRCD device before each use Press the Test button to test Press the Reset button to energize the circuit to the machine WARNING 110V UK machines are not equipped wi...

Page 9: ...IAQUIP CO UK 09 ASSEMBLY hread the water supply assy into the hole in the bottom of gearbox and tighten with a wrench LIST OF CONTENTS Diamond core drilling machine Mounting spacer Water feed assembly Wrench ...

Page 10: ... sintered impregnated diamond core bits We recommend always using wet type sintered bits with this machine Electroplated bits also known as wet dry type are only suitable for less hard materials The diamonds are sharp and coarse and are only set on the surface They have a much shorter service life than sintered bits and cannot be dressed resharpened Once they become dull they must be replaced They...

Page 11: ...NG Never allow water to enter the motor It could lead to an electric shock WARNING Check all connections of the water feed system to ensure there are no leaks Inspect hoses and other critical parts which could deteriorate WARNING The maximum water pressure should not exceed 70 psi 4bar CAUTION There is a small indicator hole on the water feed collar If this hole leaks water it indicates that the w...

Page 12: ...peed 1 n0 450 min n 280min 200 350mm Speed 2 n0 810 min n 485 min 125 200mm Speed 3 n0 1300 min n 780 min 20 125mm Recommended bit size based on average hardness concrete Speeds will vary with different material hardnesses For reinforced concrete speeds will be signifigantly slower 4 MOUNTING TO A DRILLING STAND NOT INCLUDED Warning Do not attempt to mount to a rig that does not have a perfectly f...

Page 13: ...This machine has a rocker switch Press the switch to the on position to turn on Press the switch to the off position to turn off If there is an interruption to the power supply the machine will restart when the power returns WARNING Accidental starting hazard Always ensure that the switch is in the OFF position before plugging in WARNING Whenever there is an interruption to the power supply turn t...

Page 14: ... to a normal operating temperature before continuing CAUTION The motor will be damaged if it is repeatedly overloaded or overheated Always cool the motor by running at no load for a few minutes whenever it stops from either overheat or oveload 7 Safety Clutch This machine is equipped with a mechanical clutch to protect the operator and machine from excessive torque forces When the preset maximum t...

Page 15: ...hine tightly and reduce feed pressure at this point WARNING Always keep your face away from the machine WARNING If the rig breaks loose of its mountings it will move to the left The entire assembly will rotate counterclockwise Avoid standing to the left of the rig and avoid operating from the left side if possible and be ready to jump out of the way in time Arrange the power supply cable with mini...

Page 16: ...dous and could damage the motor Rather unplug the machine and use a wrench on the bit mounting to work it loose If embedded steel such as rebar is encountered take special care When the steel is encountered the water will generally go clear and vibration will begin Change to a lower gear if available Reduce the feed pressure by about 1 3 and let the bit go at its own pace if there is too much vibr...

Page 17: ...and and drill for a few minutes then turn up the water to rinse the sand free Repeat as needed Another method is to drill into a cinder block Repeat as needed If that still does not work the only choice is to use a dressing stone VIBRATION TROUBLESHOOTING If vibration occurs and it is not caused by embedded steel stop drilling to find the cause and remedy CAUTION Do not operate with vibration or t...

Page 18: ...e CAUTION This machine is equipped with an oil bath gearbox If the gear oil is found to be leaking out have the machine repaired by a qualified service center immediately Running without sufficient oil will lead to certain damage of the gearbox Maintenance which should be performed by an authorized service center include the following Replace water seals as needed Replace the carbon brushes as nee...

Page 19: ... 3 Unscrew the screw to remove the brush lead The old carbon brush may now be lifted away 4 Install a new brush Installation is the reverse of removal 5 Replace the motor tail cover Take care not to pinch any wires when reassembling If the replacement of the power supply cord is necessary this has to be done by the manufacturer or their agent in order to avoid a safety hazard WARNING All repairs m...

Page 20: ... BRUSH MOTOR BLACK BLACK BLACK BLACK AC WHITE WHITE ELECTRONICS UNIT BLACK BLACK SWITCH ON OFF CARBON BRUSH CARBON BRUSH MOTOR BLACK BLACK BLACK 2A 1A 1 2 BLACK WHITE WHITE ELECTRONICS UNIT BLACK BLACK YELLOW YELLOW SWITCH AC 230V MODELS 110V MODELS ...

Page 21: ...WWW DIAQUIP CO UK 21 NOTES ...

Page 22: ... 22 WWW DIAQUIP CO UK NOTES ...

Page 23: ...WWW DIAQUIP CO UK 23 NOTES ...

Page 24: ...APPROVED SERVICE CENTRE WWW DIAQUIP CO UK 0161 406 0609 SALES DIAQUIP CO UK DIAQUIP HEAD OFFICE MANCHESTER UK ...

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