Hole range and hole depth

Recommended hole range

102-140 mm 4”- 5 ½”

Hole depth

29.5 m 97´

Atlas Copco Surface drill rig

ECM 720 Technical specification

Tough enough to lead, rugged enough to last

Mechanized rod handling•Engine automatic throttle•Progressive anti jamming system (strata •sense) Load sense hydraulic system•Central Hydraulic system test ports•Variable speed cooling fan control•Tier III emmission compliance•2D electronic angle indicator•Boom extension•Feed extension•Dual pinning for L/R horizontal drilling•Water mist system preplumbed for tank•

Preseparator•Dust collector•Retractable dust hood•Hydraulic Centralizer•Thread greasing device•FOPS and ROPS operator safety cab•Cab air-conditioning/heating•Working lights•Back up alarm•Heavy duty tracks with full length rock guards•Track Oscillation•Rock drill Automatic Lubricator device•

•Greatproductivityinthemostchallengingrockconditions•Fastandaccuratpositioningwithhelpofboomextention•Safeandergonomic

ECM 720 is intended for aggregate and cement quarries. The main components are:

Specifications

Engine Compressor

Two stage, screw type compressor• Working pressure, max ....................... 10.3 bar 150 psi• FAD, at normal working pressure ....... 226 l/s 480 cfm

Hydraulic system

• Axial piston pump (1) .........................227 l/min 60 US gal/min• Axial piston pump (2) .........................136 l/min 36 US gal/min• Gear pump (1) ....................................62.5 l/min 16.5 US gal/min• Gear pump (2) ....................................87 l/min 23 US gal/min• Gear pump (3) ....................................87 l/min 23 US gal/min• Return filter (2) ...................................3 micron• High pressure filter .............................3 micron

Electrical system

• Voltage ................................................ 24 V• Batteries .............................................. 4 x 12 V, 145 Ah• Alternator ............................................ 28 V, 95 Ah• Work lights, front ................................ 3 x 70 W• Work lights, rear ................................. 1 x 70 W• Backup alarm ......................................107 dBDust collector

• Filter area ............................................28 m2 300 ft2

• Number of filter elements ...................3 pcs• Suction capacity at 500 mm wg ..........1227 l/s 2 600 cfm• Suction hose diam ...............................152 mm 6’’• Cleaning air pressure, max .................4 bar 60 psi• Cleaning air consumption ...................453 l/pulse 16 cf/pulse

Volumes

• Hydraulic oil tank ............................... 568 l 150 US gal• Hydraulic system, total ....................... 795 l 210 US gal• Compressor oil .................................... 62.5 l 16.5 US gal• Diesel engine oil ................................. 26.5 l 7 US gal• Diesel engine, cooling water .............. 37.9 l 10 US gal• Diesel engine, fuel tank ...................... 587 l 155 US gal• Track drive oil ..................................... 5.7 l 1.5 US gal• Rock drill lub tank .............................. 7.6 l 2 US gal

Feed

Hydraulic chain feed with hose guide with movable dust hood• Feed extension .................................... 1 524 mm 5’• Feed rate, max .................................... 0.89 m/s 175 ft/min• Feed force, max .................................. 31 kN 7 000lbf• Tractive pull, max ............................... 31 kN 7 000 lbf• Total length ......................................... 8 890 mm 29’2’’• Travel length .......................................5 160 mm 16’11’’

ECM 720

Hydraulic rock drill HC200A

Impact power Hydraulic pressure, max Impact rate Torque, max Weight approx

26 kW 35 HP 230 bar 3 335 psi 44 Hz 1 280 Nm 950lbf/ft 187 kg 412 lb

Caterpillar turbo charged, diesel engine, CAT C11, Tier III/stage 3• Power rating at 1800 rpm ................... 287 kW 385 HP

Safety cabin

Boom

• Total length .........................................3 505 mm 138”• Total reach ..........................................4 445 mm 175”• Extension ............................................610 mm 24”

ROPS and FOPS approved • 2 x wipers with washer• Clear laminated glass (front and roof windows) • Fully adjustable operator’s seat• Cabin light• Hole inclination and depth instrument• Outlet socket, 24 V• Prepared with wires for radio•

Air conditioner

• Refrigerant ..........................................R134a• Cooling capacity .................................9 kW 30 700BTU• Fan suction capacity ...........................198 l/s 420 cfm

Selection of optional equipment

Transport dimensions

3D angle indicator• 3D angle indicator with • speed and depthCentral lubrication system• 14’ rod changer group• Hydraulic pressure test kit• Conversion kit T51/T60• Pressurized water mist tank • 80 galGas charging kit• Diesel fired engine preheater • 45.000 btu

Arctic Package• – Diesel fired engine preheater 100.000 btu– Arctic Hosing– Arctic fluids– Hydraulic and fuel tank heaters– Compressor air regulator heater– Water tank heater (if ordered with water tank)– Compressor air tank relief valve

Dimensions and weight

Feed height (H)

8 890 mm 29’ 2’’

Weight

Standard unit excluding all options and drill steel

20 500 kg 45 300 lb

Height and length

Reaching lowest height

Height 3.33 m 10’11”

Length 12.17 m 39’11”

Reaching shortest length

Height 3.94 m 12’11”

Length 10.72 m 35’2”

ECM 720

Traming position

Width

Feed vertical

4020

2581

8890

10668

3556

20°

355

12293

3182 35

61

17,5°

2570

2500

Transport position

Coverage areas

Feed swing angle Toe-hole drilling

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4470 4267

3200

6351118

1676

3429

3835

Vertical reach (mm)

4775

4216

2172

401 610

4813

1778

1499

1422

1311

1438

1422

1321

17°

44°

R177

R110

68°

Horizontal dewatering drilling Feed dump angle

10°

-6°

90°

94°

22°