Atlas Copco Face drilling rigs Technical specification

Boomer L2 C
Equipped with COP 1638, COP 1838 or COP 2238 rock drills

Coverage area up to 112 m2

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L2 C

L2 C

Illustration shows rig with optional equipment mounted.

Two boom hydraulic tunnelling and mining rig with an advanced

Rig Control System, COP 1638, COP 1838 or COP 2238 rock drills
and heavy-duty BUT 35 booms for superior productivity.

Standard features
»»Rock drill »»Carrier
• COP 16838, COP 1838 or COP 2238 rock drills with dual- • Sturdy, articulated carrier with four-wheel drive
damping system for optimal drill consumable life • Powered by a 4-cylinder, EPA III/COM III (Tier 3/Stage IIIA)
• Pressurized housing and mating surfaces to reduce internal approved diesel engine
contamination of the rock drill • Four jacks for stable set-up

»»Hydraulic boom »»General

• BUT 35 heavy-duty boom with double tripod suspension • FOPS-approved telescopic protective roof
for accurate hydraulic parallel holding in all directions • Hydraulically driven water booster pump
• Hydraulically driven compressor
»»Hydraulic feed • Cable reel
• Working lights
• BMH 6800-series heavy-duty aluminium feed with high
bending and torsional resistance for maximum durability
• Snap-on stainless steel sleeves and polymer contacts

»»Control system
• Advanced Rig Control System (RCS) allowing several levels
of automation to suit customer requirements
• Standard functions include soft collaring and the anti-jam-
ming function Rotation Pressure Controlled Feed (RPCF)
• Integrated diagnostic and event logging system to assist in
equipment maintenance
• Interactive operator panel with full-colour display
 Boomer L2 C with COP 1638, COP 1838 or COP 2238

Specifications
ROCK DRILL »»Electrical system
COP 1638 COP 1838 COP 2238
• Total installed power................................................... 158 kW
Shank adapter R32/R38/T38 R32/R38/T38 R32/R38/T38
• Main motors (SF 1,15)...............................................2x75 kW
• Voltage..................................................................380–1 000 V
Height over drill centre 88 mm 88 mm 88 mm
• Frequency..................................................................50–60 Hz
Length without shank 1 008 mm 1 008 mm 1 008 mm • Starting method..........................................................star/delta
Impact power 16 kW 18 kW 22 kW • Electronic overload protection for electric motors
Impact rate 60 Hz 60 Hz 73 Hz • Percussion hour meter on operator display
Hydraulic pressure 200 bar 230 bar 250 bar • Digital voltmeter/amperage meter in electric cabinet
Rotation system Separate rotation Separate rotation Separate rotation • Phase sequence indicator
Rotation speed 0–340 rpm 0–340 rpm 0–340 rpm
• Earth fault indicator
• Battery charger
Rotation torque, max 640 Nm 640 Nm 640 Nm
• Transformer.....................................................................8 kVA
Lub. air consump. at 2 bar 6 l/s 6 l/s 6 l/s
• Cable reel, diameter................................................. 1 600 mm
Water consumption 70 l/min 70 l/min 70 l/min • Dual controls for cable reel
Weight 170 kg 170 kg 170 kg

»»Hydraulic system
FEED
• Hydraulic pumps...............2 separate units, one for each boom
BMH 6800 BMH 6814 BMH 6816 BMH 6818 BMH 6820
• Pumps unloaded at start
• System pressure, max.....................................................250 bar
Total length 5 882 mm 6 502 mm 7 102 mm 7 677 mm • Hydraulic oil tank, volume max/min......................... 200/250 l
Drill steel length 4 310 mm 4 920 mm 5 530 mm 6 100 mm • Low oil level indicator
Hole depth 4 043 mm 4 668 mm 5 268 mm 5 843 mm • Oil temperature gauge on oil tank
Weight, incl. drill 631 kg 665 kg 696 kg 721 kg • Electrical oil filling pump
Feed force 22.0 kN 22.0 kN 22.0 kN 22.0 kN • Oil filter indicator
• Water cooled oil
• Filtration.......................................................................... 16 µm
»»Boom • Mineral hydraulic oil
• BUT 35
• Feed extension.......................................................... 1,800 mm »»Carrier
• Boom extension........................................................ 1,600 mm
• Parallel holding..........................................................complete • Deutz 4-cylinder, TCD 2013 L04, EPA III/COM III (Tier 3/
• Feed roll-over.................................................................... 360° Stage IIIA) approved 4-stroke prechamber diesel engine
• Max. lifting angle..................................................... +70°/–45° • Power rating at 2 300 rpm............................. 120 kW (160 hp)
• Max. swinging angle.........................................................±45° • Torque at 1 600 rpm.....................................................618 Nm
• Weight, boom only......................................................2,900 kg • Articulated steering................................... ±38° steering angle
• Four-wheel drive
• Hydrostatic power steering system
»»Air system • Hydrodynamic transmission..................................Clark 24000
• Front axle.................................................................. Dana 114
• Hydraulically driven screw compressor.... Atlas Copco GAR 5 • Rear axle .........................................Dana 114, ±8° oscillation
• Capacity, max at 9 bar.......................................................26 l/s • Automatic differential lock on front axle, limited slip
• Adjustable speed • Tyres........................................................................14.00xR24
• Air pressure gauge • Clearance outside axles............................... 16º rear, 23º front
• Hole blowing kit with 80 l air receiver • Hydraulic jacks, front . ........................................ 2 extendable
• Hydraulic jacks, rear...............................................................2
• Service brakes..............................................2 separate circuits
»»Water system • Emergency and parking brakes......................................SAHR
• Fuel tank, volume..............................................................110 l
• Hydraulic water booster pump.....................Flygt PXR 160 7H • Exhaust catalyser
• Water booster pump max capacity at 15 bar boost..... 300 l/min • Silencer
• Min water inlet pressure at 200 l/min, ..............................2 bar • Electric system..................................................................24 V
• Water pressure gauge • Batteries.....................................................................2x125 Ah
• Water flow guard • Tramming lights....................6x40 W LED, 2x70 W, 24 V DC
• Pressure compensated water pump • Working lights......................................4x35 W HID, 24 V DC
• Brake lights
• Illuminated stairs for platform..........................................LED
»»Control system • Fire extinguisher
• Central lubrication system
• Rig Control System (RCS) – versatile and upgradeable to a • Spirit level....................one for longitudinal, one for sideways
higher degree of automation • Gradeability at max. load on drive wheels.......................... 1:4
• One adjustable, electronic control panel with colour display • Horn, beacon and reverse alarm
• Shelf for drill bits and tools
• PC-card for transfer of data and backup settings
• Integrated diagnostic system
• Separate battery for electronic system
 Boomer L2 C with COP 1638, COP 1838 or COP 2238

DRIFTER RODS Shank adapters

Dimension Min. hole diameter Thread Diameter Length

mm R32-H35-R38 45 mm R38 38 435

R32-H35-T38 45 T38 38 435

R32-H35-T38 Speedrod 45 R32* 38 525

SR35-H35-R38 Speedrod 45 T38* 38 525
SR35-H35-T38 Speedrod 45 *Intended for RAS and extension drilling with BSH 110

SR35-H35-T38 45
Couplings
SR35-R39-T38 45
Thread Diameter Length
R32-R39-T38 45
mm R38 55 170
SR35-R39-T38 45
T38 55 190
SR35-R39-T38 Speedrod 45

Extension rods for injection drilling/RAS

Dimension Min. hole diameter

mm Rnd 32 Speedrod 51

Rnd 38 Speedrod 64
Optional equipment

»»Rock drill/Drilling • Mounting height -80 mm/+30 • Fire suppression system ANSUL
mm/+310 mm (manual or Checkfire)
system • Manual spotlight, left and/or right • Fire suppression system FORREX
• Air-Water mist flushing, external • Swingable seat for drilling and tram- (manual or automatic)
water and external air supply. ming (one operator panel only)
Hydraulic oil cooled by water or • Two operator panels for standing
air fan »»Electrical system
operation only
• Air-Water mist flushing, external • Stainless steel electrical enclosure
water and internal air supply. • Electrical trailing cable 380-690V -
Hydraulic oil cooled by water or
»»Cabin H07RN-F or Buflex
air fan • FOPS-approved cabin, 3 123 mm • Electrical trailing cable 1000V -
• External air supply connection for including: Buflex
hole blowing kit. -- Air conditioning unit • Soft start of main electrical motors
-- Fixed seat (380-690V)
-- CD-changer • Plug for cable
»»Feed -- Boot washing kit • Switch gear
• Telescopic feed BMHT 6000-series • Cabin body made of stainless steel • Electric outlet for accessories, 16
(max 18 ft) • Mounting height -60/-140/+250 mm A (CE)
• Extension drilling set BSH 110 • Front window, 24 mm • Extra transformer 3-phase, 15kVA
(BMH feeds only) • Heating function for air conditioning (230/400 V outlet)
• Feed prepared for RAS (water transferred)
• Rod Adding System, RAS • Electrical heater, 1.2 kW, 230 V (CE)
• Heavy duty mining centralisers • Joystick-controlled spotlights left and/
»»Miscellaneous
• Hole depth sensor - Hydraulic flow or right, 70 W • Service platform, SP2 (requires
meter in place of standard sensor • Swingable seat for drilling and tram- larger carrier)
ming • Protective roof for service platform
»»Boom • Two operator panels (for standing • Water and air outlet in service
operation only) platform
• Automatic boom lubrication, rear • Hose/cable guiding at water/cable
part of boom reel
• BUT 35L long reach boom »»Air system • Hydraulic Swellex pump type H1
• Compressor, GAR 30 for manual installation
»»Software • Manual lubrication kit
• Advanced Boom Control, ABC »»Water system • Rig washing kit
Basic • Water hose reel, including hose • Ni-Cr plated piston rods (limita-
• Advanced Boom Control, ABC tions exist)
Regular • Boot washing kit
• Bolt view
»»Hydraulic system • Hydraulic outlet for charging with
• Water loss measurement instruments • Biodegradable hydraulic oil Mini SSE
installed in service platform • Heater kit for hydraulic oil tank, diesel
engine and electric motors
»»Protective roof
»»Carrier
• Deutz TCD 2013 L06 2V
• 16xR25 tyres
 Boomer L2 C with COP 1638, COP 1838 or COP 2238

Measurements
side view

brochure may show equipment with optional extras. No warranty is made regarding specifications or otherwise. Specifications and equipment are subject to change without notice. Consult your Atlas Copco Customer Center for specific information.
© Copyright 2010, Atlas Copco Rock Drills AB, Örebro, Sweden. All product names in this publication are trademarks of Atlas Copco. Any unauthorized use or copying of the contents or any part thereof is prohibited. Illustrations and photos in this
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3 123
2 460

L2 C
2 019

L2 C

803 2 000 2 200 978

2 908 4 200 1 139
14 459 (BMH 6914)

Illustration shows rig with optional equipment mounted.

Coverage area

DIMENSIONS
mm Width 2 543

Height with cabin 3 123

Height roof up/down 3 098/2 460

Length with BMH 6914 feeds 14 361

8 250
8 650
8 900
9 300

1 900
Ground clearance 334

Turning radius outer/inner 8 200/4 800

2175
200

1 312 WEIGHT
3 035

11 750
gross weight, depending on configuration
12 400
12 800
13 400 kg Total 35 000–39 000

Parallel coverage BUT 35 Boom side 24 000–29 000

Engine side 10 000–12 000

RECOMMENDED CABLE SIZE AND LENGTH
Voltage Type Dimension, mm2 Diameter, Length,
mm m
TRAMMING SPEED
H07RN-F 4X150 67 60
380–400 V km/h On flat ground (rolling resistance 0.05) >15
Buflex 3x185+3G35 56 90
H07RN-F 4X120 60 75 On incline 1:8 >5
440–500 V
Buflex 3x150+3G25 52 100
H07RN-F 4X95 55 90
550 V
Buflex 3x120+3G25 46 135
H07RN-F 4X70 49 110
660–690V noise and vibration
Buflex 3x95+3G16 45 155
H07RN-F N/A N/A N/A Operator sound pressure level in canopy, drilling, 104+-6 dB(A) re 20uPa
1 000 V free field (ISO 11201)
Buflex 3x50+3G10 33 200
Recommendations are given for surrounding temperature of 40 °C and up to a height of 2,000 m. Operator sound pressure level in cabin, drilling, 75+- 3 dB(A) re 20uPa
free field (ISO 11201)
Operator sound pressure level working close to 104+-6 dB(A) re 20uPa
machine, drilling, free field
Sound power level (ISO 3744), drilling, free field 128 dB(A) re 1pW
01/2010

Vibration levels seated, drilling (ISO 2631-1) 0.07+- 0.07 m/s^2

Vibration levels standing, drilling (ISO 2631-1) 0.07+- 0.07 m/s^2

9851 2182 01f