MK Diamond MK-MANTA IV - Manual (Page 5)

MANTA IV Core Drill Revision 08/06, Effective Date August 22, 2006

MANTA IV Core Drill Technical Data
Diamond Drilling Unit MANTA IV
Nominal Voltage 110/120 V ~
Rated Current 18 Amp.
Frequency 0-60 Hz
No-Load Speed 700 rpm
Max. Drilling Diameter 6 inch.
Collet 1 1/” UNC
Net Weight About 1. kg
TABLE 1
Technical data for the MANTA IV is listed in TABLE 1.
Electrical Connections
For protection purposes the machine can only be operated when used with a GFCI. The machine is
standard equipped with a GFCI switch in the cord which allows connecting the unit direct to a grounded
socket.
Attention! The GFCI protective switch must not come in contact with water.
GFCI protective switches must not be used to switch the tool ON and OFF.
Check for proper function by pressing the TEST button before starting your work.
Use only three-wire extension cord with ground wire of sufficient gage. The usage of a smaller wire could
lead to excessive overheating of the motor and the cable.
Connect the tool to the water supply system or a water pressure vessel.
Attention! The maximum water pressure should not be more than  psi. Always make sure that the
machine runs with enough water, as the seals can be damaged when running dry. This could lead to
leakage of water into the gearbox housing.
Water Connections
The MANTA IV is equipped with a mechanical and electronic overload protection. This is designed to
protect the operator, the motor and the drill bit.
Mechanical: If the drill bit is suddenly blocked, a clutch will slip to disengage the bit from the motor.
Electronic: In case of overload due to a large feed force, the motor will be automatically switched off.
After discharge, switch OFF and ON again and drilling can be continued.
Overload Protection
Set Up and Operating Instructions
Extension Cord Minimum Gage for Length
Volts Total Length of Cord in Feet
120 V 25 50 100 150
AWG AWG AWG AWG
1 12 Not Recommended
TABLE 2