Page 2 - MK Diamond’s Manta I Core Drill - Operators Manual
1 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 F...
Page 3 - General Safety Instructions for the MK-Manta I Core Drill; on
2 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 an...
Page 4 - Safety Messages; DANGER
3 Notice: Your MK-Manta I Core Drill or other property could be damaged if you don’t follow instructions. Safety labels contain important safety information. Please read them carefully. These labels are considered a permanent part of your drill. If a label comes off or becomes hard to read, contact ...
Page 5 - Drill Features; Manta I Core Drilling Machine; Motor
4 Drill Features Manta I Core Drilling Machine Motor Carraige, Column and Base Vacuum Base and Pump Water System 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 ...
Page 7 - Final Assembly; Assembly; Main Assembly; WARNING; Step 1; CAUTION
6 Vacuum Base Gasket Final Assembly Assembly Main Assembly Feed Handle and Meter Box When removing the nut and bolt that holds the main assembly to the vacuum base, the Manta will tip forward. Be sure to hold the Manta when removing the vacuum base. To set the Manta so that it will stand up, loosen ...
Page 8 - Drilling Operations; Grounding
7 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 protected by a 30 amp circuit breaker. The MK-Manta I has been pro...
Page 9 - Securing the Rig
8 Securing the Rig Recommended Methods A. Use a concrete anchor. Use either a 1/2 or 5/8 concrete anchor to secure 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 firmly in the anchor. Do ...
Page 10 - Water Supply
9 The MK-Manta I will operate in either a high or low gear speed. This speed combined with applied pressure provides the cutting action for the core bit. Speed selection and pressure are determined by hardness of material, aggregate size and grade of diamond core bit. Generally, harder material and ...
Page 11 - Mounting Bits
10 Mounting Bits Drilling Procedure Carriage Rigidity Shear Pin and Clutch Protection It is essential that the carraige fits snugly on the column to prevent the motor or bit from wobbling during drilling. Through normal use the carraige may loosen from the column and begin to wobble. Before drilling...
Page 13 - Maintenance
12 Cleaning Vacuum Base Gasket Deep Drilling Maintenance When drilling holes that are longer than the core bit, follow the steps below. 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. Bre...
Page 14 - Troubleshooting
13 PROBLEM Low Penetration Rate Under Prevailing Drilling Paramters Heavy Wear at Steel Tube No return of fluid WHAT TO DO? 1. Check fluid return. 2. Check motor speed range 3. Check wear picture of bit face Check where fluid is leaking. INDICATION Fluid not muddy. Evidence of steel cuttings Bit wor...
Page 15 - Warranty Information
14 If within one (1) year from the date of purchase, this MK Diamond drill fails due to a defect in material or workmanship, MK will repair it, free of charge, by returning the unit to the dealer where it was purchased. This warranty DOES NOT cover normal wear or damage resulting from operator abuse...
Page 16 - MANTA I COMBO EXPLODED VIEW AND PARTS LIST; EXPLODED VIEW
15 MANTA I COMBO EXPLODED VIEW AND PARTS LIST EXPLODED VIEW
Page 20 - MANTA PARTS LIST
19 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, ½-13 x 3 ½ Hex Hd. Cap, Full Thread 4 158284 A3 Gasket, Neoprene 1 154543 A4 Fitting, ¼ MNPT x 3/8 Barb 1 154659 A5 Wheel 6” 2 157434 A6 Screw, 1/2 x 1 3/4 Socket Head ...