DIAQUIP QDM-350 Operator's Manual

Diamond core drilling machine

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OPERATORS MANUAL

QDM-350 DIAMOND CORE DRILLING MACHINE

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Summary of Contents for DIAQUIP QDM-350

Page 1 OPERATORS MANUAL QDM-350 DIAMOND CORE DRILLING MACHINE...
Page 2: Technical Data
Gear Oil Capacity 500ml Spindle Thread 1-1/4” UNC male, 1/2” BSP female Protection Class Class 1 With RCD Weight 11.5kg QDM-350 DIAMOND CORE DRILLING MACHINE Gear Box Motor Unit Spindle Tail Handle Water Feed Valve Tubular Spirit Level Gear Selector...
Page 3: General Safety Instructions
3) Personal safety a. Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medication. A moment of inattention while operating power tools may result in serious personal injury. WWW.DIAQUIP.CO.UK...
Page 4 Use the power tool, accessories and tool bits etc. in accordance with these instructions, taking into account the working conditions and the work to be performed. Use of the power tool for operations different from those intended could result in a hazardous situation. WWW.DIAQUIP.CO.UK...
Page 5 ..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 together with household waste material WWW.DIAQUIP.CO.UK...
Page 6: Drill Safety Warnings
Deformed or damaged drill core bits must not be used; WARNING: Use of non-recommended cutting tools can lead to injuries due to the loss of control. Only use drill core bits designed for this machine only. Follow the minimum and maximum diameter given on the specifications page and do not exceed the length of the core bits beyond the maximum allowed by the drill stand. (This is usually 24” or 750mm) WWW.DIAQUIP.CO.UK...
Page 7 The machine is equipped with 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. WWW.DIAQUIP.CO.UK...
Page 8: Electrical Connection
EN 60309-2 with the earthing contact position 1 h. WARNING: Always connect the plug into the wall socket with a drip loop. If the cable leads downward directly into the wall socket, any water on the cable could run into the socket, causing a hazard. WWW.DIAQUIP.CO.UK...
Page 9 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 WWW.DIAQUIP.CO.UK...
Page 10 There are many variables with sintered diamond core bits, such as diamond grade and type, diamond grit size, bond type, bond hardness, and bit wall thickness. Consult with Diaquip’s expert team for the best bit for your application. Work materials vary widely in hardness.
Page 11: Water Supply
Use a water collector with a wet vacuum to collect cooling water if nearby objects could be damaged by water. WARNING: Never allow water to enter the motor. A perfectly functioning water collector set up must be used for any drilling performed at an upward angle. WWW.DIAQUIP.CO.UK...
Page 12 Then tighten the cradle lock bolt firmly to 17Nm. The rig may be anchored to the work piece in one of three ways, with a mechanical anchor, with a vacuum base, or with a jack screw. (Follow the instructions provided with the rig.) WWW.DIAQUIP.CO.UK...
Page 13 Since this is a relay type switch, if there is an interruption to the power supply, the machine will not restart when the power returns. In this case first turn the switch to the off position then back to the on position to restart. WWW.DIAQUIP.CO.UK...
Page 14: Safety Clutch
When this happens, it must be serviced by an authorized service provider. CAUTION: Always ease off the load immediately whenever the clutch slips. Do not allow the clutch to continue slipping or it will wear out prematurely. WARNING: When coring through a floor, the core will fall down. Take precautions to avoid injury or damage below. NOTE: When drilling with a new bit for the first time, use less than normal feed pressure for a time until it breaks-in. WWW.DIAQUIP.CO.UK...
Page 15: Drilling Instructions
(diamond segments polish smooth). This is called glazing and luckily the bit can be de-glazed (sharpened). If the bit seems to refuse to cut anymore, you know that it is glazed. See page xx: “SHARPENING A GLAZED BIT” WWW.DIAQUIP.CO.UK...
Page 16 Turn the water feed down to a very small amount of flow (not off), just enough to keep the water seals from overheating when you perform this step. Then turn off the switch and allow the coasting bit to stop before setting it down. WWW.DIAQUIP.CO.UK...
Page 17 Vibration is usually caused by: 1. A bit with too much runout SOLUTION: Replace bit. 2. A bit with diamond segments broken off SOLUTION: Repair or Replace bit. 3. Shifted base or loose gibs SOLUTION: Retighten mountings or adjust gibs as needed. WWW.DIAQUIP.CO.UK...
Page 18: Maintenance
Replace water seals as needed. Replace the carbon brushes as needed Change the gear oil about every 100 hours of operation Replace the clutch discs and spring as needed. Each year perform a full mechanical inspection, cleaning and re-lubrication. WWW.DIAQUIP.CO.UK...
Page 19 Do not throw electric power tools into the household waste! In accordance with the European Directive 2002/96/EG on Waste Electrical and Electronic Equipment and transposition into national law, used electric power tools must be collected separately and recycled in an environmentally friendly manner. WWW.DIAQUIP.CO.UK...
Page 20 230V MODELS MOTOR CARBON CARBON BRUSH BRUSH BLACK BLACK BLACK BLACK ELECTRONICS UNIT BLACK BLACK SWITCH WHITE WHITE 110V MODELS MOTOR CARBON CARBON BRUSH BRUSH BLACK BLACK BLACK BLACK SWITCH ELECTRONICS YELLOW 2A 1A UNIT YELLOW BLACK BLACK WHITE WHITE WWW.DIAQUIP.CO.UK...
Page 21 NOTES WWW.DIAQUIP.CO.UK...
Page 22 NOTES WWW.DIAQUIP.CO.UK...
Page 23 NOTES WWW.DIAQUIP.CO.UK...
Page 24 APPROVED SERVICE CENTRE; DIAQUIP HEAD OFFICE | MANCHESTER, UK 0161 406 0609 SALES@DIAQUIP.CO.UK WWW.DIAQUIP.CO.UK...