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Overview

Caterpillar combines technology with keen customer insights to deliver a new level of innovative, safe and productive roof bolters. Key Features: • Skid or proprietary articulated steering (depending on model) • Horizontal and vertical articulation (on dual-boom models) • Floor and roof avoidance compensation (on dual-boom models) • Individual planetary wheel drives-no sprockets or chains • User-friendly operator zones • Single AC primary drive motor • Single hydraulic oil pump • Easy access components • Quick free-steering towing conversion • Streamlined, practical space-planned tram station

Specifications

Units:
Operating Height 54.0 in 1372.0 mm Less
Boom Dual Dual Less
Frame Articulated Articulated Less

Dimensions (approximate)

ATRS reach - with 32x12.5-15 tires 9.88 ft 3010.0 mm Less
ATRS reach - with 35x15-15 tires 10.0 ft 3048.0 mm Less
Bolt tightening torque (adjustable) 190.0 ft-lb 258.0 N·m Less
Chassis height - with 32x12.5-15 tires 2.42 ft 737.0 mm Less
Chassis height - with 35x15-15 tires 2.54 ft 775.0 mm Less
Chassis overall width 9.04 ft 2756.0 mm Less
Drill boom feed 7.33 ft 2235.0 mm Less
Drilling feed thrust (maximum) 10000.0 lb 4536.0 kg Less
Drilling torque (variable) 310.0 ft-lb 420.0 N·m Less
Ground clearance - with 32x12.5-15 tires 8.0 in 203.0 mm Less
Ground clearance - with 35x15-15 tires 9.5 in 241.0 mm Less
Inside turn radius 9.5 ft 2896.0 mm Less
Maximum boom separation 17.67 ft 5385.0 mm Less
Minimum boom separation 3.83 ft 1168.0 mm Less
Minimum tramming height - with 32x12.5-15 tires 3.87 ft 1181.0 mm Less
Minimum tramming height - with 35x15-15 tires 4.0 ft 1219.0 mm Less
Outside turn radius 21.5 ft 6553.0 mm Less
Overall length with ATRS 25.17 ft 7671.0 mm Less
Steering articulation 80° total 80° total Less
Tram speed - fast 2.38 m/sec (0-130 fpm) 2.38 m/sec (0-130 fpm) Less
Tram speed - slow 1.19 m/sec (0-65 fpm) 1.19 m/sec (0-65 fpm) Less
Wheelbase 6.67 ft 2032.0 mm Less

Drive Train

Type Four wheel planetary drive; each drive consists of a Fairfield W3B torque hub along with a Char-Lynn series 2000 hydraulic motor Four wheel planetary drive; each drive consists of a Fairfield W3B torque hub along with a Char-Lynn series 2000 hydraulic motor Less

Automatic Parking Brake

Type Two spring applied, hydraulic released, fail safe brakes at front of machine. Two spring applied, hydraulic released, fail safe brakes at front of machine. Less

Hydraulics

Boom Feed Cylinder Two (2) 165 mm (6.5 in) bore, double acting cylinder on each boom with in line check valve, one per drilling assembly. Two (2) 165 mm (6.5 in) bore, double acting cylinder on each boom with in line check valve, one per drilling assembly. Less
Boom Swing Cylinder Two (2) 89 mm (3.5 in) bore, double acting cylinders, one per drilling assembly. Two (2) 89 mm (3.5 in) bore, double acting cylinders, one per drilling assembly. Less
Pump Four stage gear pump rated at 132/132/57/57 L/min (35/35/15/15 gal/min) at 1,770 rpm with spline fit to pump motor. Four stage gear pump rated at 132/132/57/57 L/min (35/35/15/15 gal/min) at 1,770 rpm with spline fit to pump motor. Less
Reservoir 568 L (150 gal) capacity reservoir with 7 micron return filtration, filter by-pass and “in tank” strainer. 568 L (150 gal) capacity reservoir with 7 micron return filtration, filter by-pass and “in tank” strainer. Less
Stab Foot Cylinder Two (2) 101 mm (4 in) bore, double acting cylinders, one per drilling assembly. Two (2) 101 mm (4 in) bore, double acting cylinders, one per drilling assembly. Less
Steering Cylinder Two (2) 101 mm (4 in) bore, double acting cylinders. Two (2) 101 mm (4 in) bore, double acting cylinders. Less
Sumping Cylinder Four (4) 38 mm (1.5 in) bore, double acting cylinders two per drilling assembly. Four (4) 38 mm (1.5 in) bore, double acting cylinders two per drilling assembly. Less
Valve Banks One (1) ATRS and vertical articulation valve bank. One (1) ATRS and vertical articulation valve bank. Less
Valve Banks One (1) inch tram valve bank at rear of operator's side drilling assembly. One (1) inch tram valve bank at rear of operator's side drilling assembly. Less
Valve Banks One (1) steering valve bank controlled by means of a joy stick valve. One (1) steering valve bank controlled by means of a joy stick valve. Less
Valve Banks One (1) cable reel and vertical articulation valve bank One (1) cable reel and vertical articulation valve bank Less
Valve Banks All valve banks are spring returned, bi-directional with main relief set at 13.79 Mpa (2,000 psi). All valve banks are spring returned, bi-directional with main relief set at 13.79 Mpa (2,000 psi). Less
Valve Banks All other pressures are set for each function accordingly. All other pressures are set for each function accordingly. Less
Valve Banks Two (2) boom function valve banks, one per drilling assembly. Two (2) boom function valve banks, one per drilling assembly. Less
Valve Banks One (1) tram valve bank controlled by means of a joystick valve in operator's compartment One (1) tram valve bank controlled by means of a joystick valve in operator's compartment Less

Electrical

Start Push buttons at tram and drill stations. Push buttons at tram and drill stations. Less
Stop Tape switch (panic strip) at tram and drill stations that de-energize electrical system and applies automatic brake. Tape switch (panic strip) at tram and drill stations that de-energize electrical system and applies automatic brake. Less

Controller

Type Size 4 vacuum contactors, 1.5 KVA transformer and 150 amp circuit breaker. Size 4 vacuum contactors, 1.5 KVA transformer and 150 amp circuit breaker. Less

Frame

Type Low profile with bends utilized where applicable to reduce the number of indeterminate stresses introduced by welding. Low profile with bends utilized where applicable to reduce the number of indeterminate stresses introduced by welding. Less

Operator’s Drill Station Area

Components Hydraulically operated drill boom and stab foot functions. Hydraulically operated drill boom and stab foot functions. Less
Components ATRS function control and all other positioning function control. ATRS function control and all other positioning function control. Less
Components Vertical articulation function control. Vertical articulation function control. Less
Components Storage tool tray on each boom for drill steel, starter steel, drill bits and etc. Storage tool tray on each boom for drill steel, starter steel, drill bits and etc. Less
Components Inch tram function control (left hand drilling assembly only). Inch tram function control (left hand drilling assembly only). Less
Components 25 mm (1 in) thick, hydraulically adjustable drill station canopy on each drilling assembly. 25 mm (1 in) thick, hydraulically adjustable drill station canopy on each drilling assembly. Less

Tram Station Area

Components 25 mm (1 in) thick manually adjustable canopy. 25 mm (1 in) thick manually adjustable canopy. Less
Components Heavy duty seat. Heavy duty seat. Less
Components Full tram function control. Full tram function control. Less
Components Power fill function control. Power fill function control. Less
Components Vertical articulation function control. Vertical articulation function control. Less
Components Cable reel function control. Cable reel function control. Less
Components Four pressure gauges. Four pressure gauges. Less
Components Steering function control. Steering function control. Less

Reservoir Fill System

Type Power hydraulic fill, allows hydraulic oil to be added to reservoir without hand pumping. Power hydraulic fill, allows hydraulic oil to be added to reservoir without hand pumping. Less

Manuals

Types Two parts manuals. Two parts manuals. Less
Types One LinkOne CD which includes all above manuals in electronic format. One LinkOne CD which includes all above manuals in electronic format. Less
Types Two operation/maintenance manuals/troubleshooting guides. Two operation/maintenance manuals/troubleshooting guides. Less

Miscellaneous

Kits Seven (7) oil sampling kits. Seven (7) oil sampling kits. Less

RB230 Optional Equipment

Voltage/Blower Option
  • 440 Volt AC, Roots Whispair Blower - electrical system with pump motor rated at 80 hp; blowers rated at flows to 81 CFM at 508 mm (20") Hg. Each vacuum blower is directly belt driven from the electric motor by means of sheaves and “v” belts.

Lighting Option
  • MCI Fluorescent Lighting, High - area lighting with one headlight on front and rear for high seam applications up to 3048 mm (10 ft).

Cable Reel Option
  • 610 mm (24 in) diameter for #2/3C Round Cable - 106 680 mm (350 ft) capacity horizontal type reel with free payout and hydraulic motor, chain drive wind in for recommended #2/3C, GGC round trailing cable. Unit is supplied with 6096 mm (20 ft) of recommended cable.

Tram Canopy Option
  • Tram Canopy, 1117 mm (3 ft 8 in) minimum height - manually adjustable tram canopy with a minimum height of 1168 mm (3 ft 10 in) and a maximum height of 1397 mm (4 ft 7 in) at 216 mm (8.5 in) ground clearance.

Drill Chuck Option
  • Universal, Extended Dry/Deep Splined Chuck - chuck protrudes above drill head by 61 mm (2.375 in) with no need for drill chuck retention.

ATRS Option
  • 3226 mm (10 ft 7 in) Reach, 3480 mm (11 ft 5 in) to 4115 mm (13 ft 6 in) Wide Sumping Crossbeam - T-Bar with hydraulic sump roof support contact rocker arms to allow crossbeam to extend from 3480 mm (11 ft 5 in) to 4115 mm (13 ft 6 in). This T-Bar consists of a primary and secondary cylinder along with two 305 mm (12 in) sumping cylinders.

Tire/Wheel Option
  • Four 35x15-15, 889 mm (35 in) Foam Filled Tires - 20 ply, 889 mm (35 in) maximum form diameter foam filled tires mounted on rim assemblies.

Drill Speed Option
  • 650 RPM Maximum Drill Speed - generated by means of a 32 mm (1.25 in) gear width hydraulic motor.

Controller Cover/Oil Level Switch Option
  • Oil Level Switch, Light Only - above cover assembly with the addition of a low oil warning light.

Oil Filter Brand Option
  • Schroeder “Spin-On” Oil Filter - 7 micron return side filter. The filter is equipped with by-pass and external dirty filter indication.

Blower Exhaust Location Option
  • Left Side, Operator’s Side - at rear of machine.

Roof Bolter Accessories
  • Pre-Duster Installation - remote tank with a 122 m3 (0.4 ft3) capacity that removes larger dust particles automatically, when stab cylinder is activated.
  • One Hand Rotation/Drill Feed Control Installation.
  • Schroeder Test Mate Installation - four test ports, one for each stage of the main hydraulic pump.
  • Grease Zone Lubrication Installation
  • Torque Gauge Installation - monitor the amount of torque being applied to the roof bolts during installation (one gauge for each drilling assembly).

A Commitment to the Mining Industry

As the demand for commodities grows, mining companies need a partner to support them in their efforts. Caterpillar is committed to being that partner.

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Mining Financial Services

Cat Financial is the single best resource for all your international mining finance needs, with capabilities to offer everything from leasing and general financing to project and structured financing.

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