CORE DRILL OPERATIONS MANUAL DIAMOND PRODUCTS MODEL : CB700 SAFETY To maintain the operation safety, make sure to read and understand this instruction book BEFORE operating this equipment.
SAFETY 1. When operating the drill, be sure to wear proper safety gear, such as safety glasses, dust mask, glove, and hearing protection. A hard hat is also recommended. 2. Never operate unless proper footing and balance is possible at all time. 3. Wear proper apparel. Do not wear loose clothing or accessories. Keep hair and body parts away from openings and moving parts. 4. Wet coring bits MUST be used with water. Flow should be kept at sufficient rate and volume. 5.
11. Keep work area clean and well lit. 12. Never operate this unit when flammable materials or vapors are present. Electrical devices produces sparks or arcs which can cause a fire or explosion. 13. Do not expose the drill to rain or wet conditions to minimize electric shock. 14. Do not obstruct motor air intake or outtake to maximize performance. 15. Before beginning work, familiarize self with the work site and its surrounding.
21. Make sure power is in “OFF” position before plugging in power cord to prevent any accidental activation. 22. If cord/plug is damaged do not operate. 23. Plug should be of proper type to mate to outlet. Never modify the plug in any way. Adapter plugs should not be used either for grounded power tools. Power received must be as specified on the drill nameplate. 24. Be sure to connect the plug to a properly grounded receptacle to reduce the risk of electric shock. 25.
HEALTH WARNING 1. Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contain chemicals known to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are: A. Lead from lead-based paints B. Crystalline silica from bricks, cement and other masonry products C. Arsenic and chromium from chemically-treated lumber 2. Your risk from these exposures varies, depending on how often you do this type of work.
UNPACKING 1. Open the carton containing the drill motor. Remove the drill and place it on a flat, level working area. Be sure that the followings items are removed before discarding the carton: A. Size 36 Open box wrench B.
SETUP NOTE: The drill motor should not be plugged in and the spindle should be static when following any of the following procedures! 1. Mounting the Drill Motor A. Attached to the drill body is a universal mounting block. Study the block and drill stand carriage mounting holes. If it is determined the block is not required, remove it so that the drill may mount properly to the carriage. B. First install the appropriate key size into the available key way.
D. Lastly position the core bit directly underneath the spindle and screw it on. 3. Setting the Proper Spindle Speed A. Located on the side of the drill motor is a circular speed select knob. Loosen the knob by rotating it counter-clockwise. B. Slide the knob to the left for low speed (600RPM) or to the right for high speed (1200RPM) coring. C. After selecting the required speed, lock the knob by rotating it clockwise. 4. Attaching a Hose to the Water System A.
FEATURES 8
SPECIFICATIONS Model Spec CB700 VOLTAGE POWER SPEED PHASE APPLICABLE BIT DIAMETER WEIGHT 115V (60Hz) 3HP (2.2kW), 20A 600 ~ 1200 RPM 1 1" (25MM) ~ 8" (203MM) 48 LBS (21.
OPERATION 1. Coring Operation A. Place water collecting ring in place as necessary. B. Make sure the drill stand is properly secured to the work surface. If not follow the instructions provided in the drill stand manual. C. Check that the spindle speed is at the correct setting. If not adjust as instructed in the “setup” section. NOTE: The motor must be OFF and the spindle must not be in motion when changing the speed setting. Failure to follow these conditions can result in gear or motor damage. D.
H. When the coring process is complete, the material removed or inner core may become lodged inside the bit. Leave the drill running and raise the drill from the work surface. I. Turn off the drill and turn the water valve on the drill motor off.
MAINTENANCE WARNING: For your safety, before performing any maintenance on the drill turn OFF the power switch and UNPLUG the power cord. 1. General Rules A. Always clean the machine before performing any maintenance/repair. B. A clean machine makes visual inspection for problems easier to notice. 2. Steps to Follow When Cleaning A. Please do not use aggressive cleaners (i.e. containing solvents).
3. Carbon Brush Replacement A. Unplug the drill motor before proceeding any further. B. Locate the carbon brush caps found near the air inlet of the motor housing. They are on opposing sides. Remove the caps using a flat screw driver. The brushes contact leads should pop out as soon as the caps are off; if not, use the screw driver to nudge them out. C. When installing the new brushes, make sure they fit snuggly into the slots. Do not modify the replacement brushes (i.e.
E. Gently pull the gear housing apart. Only a small separation is needed to fit two flat screw drivers into the housing’s gap. The screw drivers should be inserted in opposing directions. Gently apply an even amount of force on both tools to complete the housing separation. F. Using the supplied open box wrench, hold the spindle in place. G. Insert the torque wrench with a compatible clutch tool onto the gear housing clutch nut as shown below. Rotate the wrench clockwise until the gauge reads 20N-m . I.
WIRING DIAGRAM 1. Electrical Specifications: 3HP (2.2kW) 115V 20A 600~1200 RPM 60Hz 1 Phase 2. Recommendations A. It is recommended that a 20 amp circuit be used while operating this drill machine. This will prevent any loss of power or interruption. B. Always plug the motor as close as possible to the power source while operating. This will allow you to receive optimum electricity. 3.
TROUBLESHOOTING Problem: Bit is jammed while coring. Possible Cause: Solution: Possible Cause: Solution: Debris is lodged between core and bit. Rotate bit in both directions using spanner to release debris then inspect bit. Drill stand is not secured to work surface. Reset base and secure properly using vacuum base or anchor. Diamond rims have worn away. Replace core bit. Problem: Coring speed has reduced.
EXPLODED VIEW CB700
PARTS LIST CB700 # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ITEM Gear case Main shaft Seal 48x34x8 Bearing 6206ZZ/C2 Bearing 6206LLU Snap ring R62 Snap ring S30 Metal collar Brass collar 35x29x12 First gear Metal collar Snap ring S28 Shift ring Shift lever O-ring Metal collar Brass collar 28x22x9 Second gear Metal collar Snap ring S22 Bearing 6202Z O-ring 60x2.
PARTS LIST CB700 # 31 32 33 34 35 36 37 38 39 40 41 41-1 ITEM Second pinion Metal collar Forth gear Plate Friction plate Brass collar Fifth gear Disk spring 35.2x18.3x2.0 Metal collar 5T Fine U-nut Diaphragm Socket head cap screw M8x1.25x60L 41-2 Spring washer M8 ODx13.6 ODx1.
PARTS LIST CB700 # 56 56-1 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 ITEM Brush tube Brush tube screw M5x10 Carbon brushes (2) Brush cover Socket head cap screw M6x1.0x45 Spring washer M6 ODx10.5 ODx1.5T Washer 1/4x13x1 Electric power Cable cover Switch box with LED indicator Switch Switch cover Switch plate Flat head phillip screw cone point M3x4 (1/8x1/4) Seal 47.5x36x2 Cable 24cm Cable 8cm Earth cable Round head phillip screw flat point M4x0.
PARTS LIST CB700 # 80 81 82 83 84 85 ITEM Pin 5x15 O-ring 32x2 Cable plate Round head phillips screw - cone head M4x12 Plate Rubber tube QTY PART NO.
Please call us if for any reason you are having difficulty that cannot be resolved with the troubleshooting guide included in this manual. We would like to help. Give us a call at 1-800-321-5336 or e-mail us at dp@diamondproducts.com To better service our customers as expediently as possible, please make sure that you have the manufacturing serial number at hand before contacting us.
