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Model MK-Manta I
Core Drill
Owner’s Manual
Parts List &
Operating
Instructions
CAUTION
READ SAFETY
AND GENERAL
INSTRUCTIONS
CAREFULLY
BEFORE USING
SAW FOR THE
FIRST TIME.
please record the serial number of
your drill in this block.
serial number
For your one (1) year warranty to
be effective, complete the warranty
card (include the serial number) and
mail it in as soon as possible.
Manual Part No. 161115
Revision 03/05
MK-MANTA I
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MK Diamond’s Manta I Core Drill - Operators Manual General Safety Instructions 2 Safety Messages and Symbols 3 Hazard Symbols 3 Damage Prevention Messages 3 Safety Labels 3 Drill Features Motor 4 Carraige, Column and Base 4 Vacuum Base and Pump 4 Water System 4 Unpacking 5 Assembly Main Assembly 6 Feed Handle and Meter Box 6 Vacuum Base Gasket 6 Final Assembly 6 Drilling Operations Electrical Requiremen
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General Safety Instructions for the MK-Manta I Core Drill on For your Safety! These safety precautions should be followed at all times. Failure to follow these safety precautions could result in injury to yourself and others. Safety is a combination of operator common sense and alertness at all times when this drill rig is being used. For your own safety and protection, do not attempt to operate the drill until it is completely assembled and installed according to the instructions, an
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A safety message informs you about potential hazards that could hurt you or Safety Messages others. Each safety message is preceded by one of the three words: Danger, Warning, or Caution. on ! DANGER You WILL be KILLED or SERIOUSLY injured if you don’t follow instructions. on ! WARNING You CAN be KILLED or SERIOUSLY injured if you don’t follow instructions. on ! CAUTION You CAN be injured if you don’t follow instructions. Hazard Symbols Additional information as to the nature of the hazard is
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Manta I Core Drilling Machine Drill Features The MK-Manta I Core Drill is a powerful all-purpose drilling rig that is designed to drill holes, up to 12 inches in diameter (14 inches with the 2 inch spacer), in all types of concrete slabs, floors, walls, and ceilings. The Manta is designed for easy anchoring using masonry anchors. A secondary vacuum base is provided to facilitate quick and easy anchoring to smooth floor surfaces. The Manta is designed for use with a variety of motors. All mot
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Carefully cut through the carton approximately 6 inches from the bottom using a Unpacking box cutter or other safety knife, and lift away the top portion of the box. Remove the Accessory Pack, Vacuum Pump and Manta Core Drill. Open the accessory pack and check each item with the contents list and illustration below, making certain that all items are accounted for and in good condition before discarding any packing material. If there are any missing or damaged parts, call our toll free numb
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Assembly ! WARNING For your own safety and protection, do not attempt to operate this drill until it is completely assembled and installed according to these instructions, and until you understand the machines capabilities and the potential hazards associated with it. Main Assembly Step 1 The Manta I is shipped with the main part of the Manta mounted backwards on the Vacuum base. Remove the nut and bolt that hold the main assembly to the Vacuum base observing the following precaution. Turn
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Ý Ý Drilling Operations Electrical Requirements The MK-Manta I Core Drill rig has been equipped with either a 20 Amp/115V 3 speed motor, a 20 Amp/120V 2 speed motor, or a 15 Amp/115V 2 speed motor. The drill should be used on an electrical circuit, separate from other loads, and Grounding protected by a 30 amp circuit breaker. NEMA L5-20 125 V, 20 Amp Locking Plug and receptacle The MK-Manta I has been provided with a 20 Amp plug (NEMA 15-20) or a 30 Amp (NEMA 15-30) locking plug depending
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A. Use a concrete anchor. Use either a 1/2 or 5/8 concrete anchor to secure Securing the Rig the base to the work surface. Always be sure to level the rig. Using a concrete anchor, insert a bolt through the slot located on the base and tighten the bolt Recommended firmly in the anchor. Methods ! WARNING It is essential to always secure the rig to the work surface to help prevent personal injury and also to protect the rig. An unsecured rig could rotate during drilling and possibly cause i
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A M Drilling Speeds Manufacturer Model # AMP Volts Speed(RPM) Suggested Dia. in Medium Aggregate Eibenstock EBM 20 120 Low – 270 Low – 4” 300/3 P Medium – 700 Medium – 2”-6” High – 1250 High – 3/4”-4” Milwaukee 4004 20 120 Low – 300 Low – 4” High – 600 High – 14” Milwaukee 4090 15 120 Low – 375 Low – 5”-8” High – 750 High – 2 1/2”-5” Milwaukee 4094 20 120 Low – 450 Low – 6”-10” High – 900 High – 2”-6” Milwaukee 4096 20 120 Low – 450 Low – 6”-10” High – 900 High – 2”-6” Milwaukee 4097-20 15
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It is essential that the carraige fits snugly on the column to prevent the motor or Carriage Rigidity bit from wobbling during drilling. Through normal use the carraige may loosen from the column and begin to wobble. Before drilling, always make sure the carraige is rigid by trying to wiggle it with your hand. If the carraige is secure it should not move. If it does move, tighten the adjustment screws for the nylon gibs that secure the carraige to the column. Tighten only enough to remove t
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! WARNING If using the vacuum base, do not continue operations unless the vacuum gauge reads more than 20 inches of mercury. Normally, the gauge will read 23 inches or more. 6. Turn the motor switch on the Control box ON. Turn the water ON so that an adequate flow of water is supplied through the water swivel, to the bit. Hold the handle and slightly loosen the carriage lock knob. Slowly rotate the handle to lower the bit into the work piece - apply steady even pressure. Note: To prevent th
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When drilling holes that are longer than the core bit, follow the steps below. Deep Drilling 1. Begin drilling the hole as usual. When you have drilled to the length of the bit, retract the bit from the hole and turn off the motor and water as usual. 2. Break off the core by driving a chisel or slender wedge into the circular kerf. Remove the core using core tongs, bent music wire or anchor bolts. 3. After removing the core, insert the bit carefully into the hole, attach a bit extension to t
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When trouble occurs, be sure to check the simple causes which, at first, may Troubleshooting seem too obvious to be considered. Refer to the table below for problems and their possible causes. PROBLEM WHAT TO DO? INDICATION CAUSE SOLUTION/ RECOMMENDATIONS 1. Check fluid Fluid not muddy. Drilling in steel Adjust drilling parameters to return. Evidence of steel reinforcement recommendations for reinforcement cuttings 2. Check motor Speed not correct for See recommended speed range the bit size
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PROBLEM WHAT TO DO? INDICATION SOLUTION/ RECOMMENDATIONS Loose material Step 1: Apply wrench and rotate (cut steel or bit in both directions while bit is aggregates) is under tension. If not successful: blocking between Bit Stuck core and bit or Step 2: Try to over drill a hole between borehole slightly larger than the stuck bit. and bit. 1. Try to raise Disconnect bit and remove, bit, if impossible: Drill moved during break core. Start over with drilling (poor improved fastening of
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MANTA I COMBO EXPLODED VIEW AND PARTS LIST EXPLODED VIEW 14 15 Revision 03/05, Effective Date March 2, 2005 Revision 03/05, Effective Date March 2, 2005 MANTA I MANTA I
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MANTA EXPLODED VIEW (cont...) 16 17 Revision 03/05, Effective Date March 2, 2005 Revision 03/05, Effective Date March 2, 2005 MANTA I MANTA I
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MANTA EXPLODED VIEW (cont...) 16 17 Revision 03/05, Effective Date March 2, 2005 Revision 03/05, Effective Date March 2, 2005 MANTA I MANTA I
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MANTA EXPLODED VIEW (cont...) 18 19 Revision 03/05, Effective Date March 2, 2005 Revision 03/05, Effective Date March 2, 2005 MANTA I MANTA I
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MANTA PARTS LIST PARTS LIST: Item Description Qty MK p/n A Assembly, M1 Base, Vacuum 1 n/a A1 Base, M1 Vacuum 1 155753 A2 Screw, 1⁄2-13 x 3 1⁄2 Hex Hd. Cap, Full Thread 4 158284 A3 Gasket, Neoprene 1 154543 A4 Fitting, 1⁄4 MNPT x 3/8 Barb 1 154659 A5 Wheel 6” 2 157434 A6 Screw, 1/2 x 1 3/4 Socket Head Shoulder 2 158390 A7 Washer, 1⁄2 SAE Flat 2 150924 A8 Foot, Base Support 2 158389 A9 Screw, 3/8-16 x 2 1⁄4 Hex Head Cap 2 153529 A10 Washer, 3/8 SAE Flat 2 150923 A11 Nut, 3/8-16 Hex Nyl
