RB220 – Roof Bolter

Specifications

Specifications

Operating Height

32 in

813 mm

Boom

Dual

Dual

Frame

Articulated

Articulated

Dimensions (approximate)

ATRS reach – with 28x12-15 tires

8 ft

2438 mm

ATRS reach – with 32x12.5-15 tires

8 ft

2438 mm

ATRS reach – with 35x15-15 tires

8 ft

2438 mm

Bolt tightening torque (adjustable)

190 ft-lb

258 N·m

Chassis height – with 28x12-15 tires

2.25 ft

686 mm

Chassis height – with 32x12.5-15 tires

2.42 ft

737 mm

Chassis height – with 35x15-15 tires

2.54 ft

775 mm

Chassis overall width

9.04 ft

2756 mm

Drill boom feed

4.33 ft

1321 mm

Drilling feed thrust (maximum)

10000 lb

4536 kg

Drilling torque (variable)

310 ft-lb

420 N·m

Ground clearance – with 28x12-15 tires

6 in

152 mm

Ground clearance – with 32x12.5-15 tires

8 in

203 mm

Ground clearance – with 35x15-15 tires

9.5 in

241 mm

Inside turn radius

9.5 ft

2896 mm

Maximum boom separation

16.17 ft

4928 mm

Minimum boom separation

3.5 ft

1067 mm

Minimum tramming height – with 28x12-15 tires

2.67 ft

813 mm

Minimum tramming height – with 32x12.5-15 tires

3.17 ft

965 mm

Minimum tramming height – with 35x15-15 tires

3.29 ft

1003 mm

Outside turn radius

21.5 ft

6553 mm

Overall length with ATRS

25.2 ft

7671 mm

Steering articulation

80° total

80° total

Tram speed – fast

0-40 m/min (0-130 ft/min)

0-40 m/min (0-130 ft/min)

Tram speed – slow

0-20 m/min (0-65 ft/min)

0-20 m/min (0-65 ft/min)

Wheelbase

6.58 ft

2007 mm

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

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.

Hydraulics

Boom Feed Cylinder

Two (2) 6.5 in bore, double acting cylinder on each boom with in line check valve, one per drilling assembly.

Two (2) 6.5 in bore, double acting cylinder on each boom with in line check valve, one per drilling assembly.

Boom Swing Cylinder

Two (2) 3.5 in bore, double acting cylinders, one per drilling assembly.

Two (2) 3.5 in bore, double acting cylinders, one per drilling assembly.

Hydraulic Hose

All main systems hoses are two wire braid rated at 9,000 psi burst pressure; MSHA 2G flame resistant approved; all fittings JIC

All main systems hoses are two wire braid rated at 9,000 psi burst pressure; MSHA 2G flame resistant approved; all fittings JIC

Pump

Four stage gear pump rated at 35/35/15/15 gpm at 1,770 rpm with spline fit to pump motor.

Four stage gear pump rated at 35/35/15/15 gpm at 1,770 rpm with spline fit to pump motor.

Reservoir

150 gal capacity reservoir with 7 micron return filtration, filter by-pass and “in tank” strainer.

150 gal capacity reservoir with 7 micron return filtration, filter by-pass and “in tank” strainer.

Stab Foot Cylinder

Two (2) 4 in bore, double acting cylinders, one per drilling assembly.

Two (2) 4 in bore, double acting cylinders, one per drilling assembly.

Steering Cylinder

Two (2) 4 in bore, double acting cylinders.

Two (2) 4 in bore, double acting cylinders.

Sumping Cylinder

Four (4) 1.5 in bore, double acting cylinders two per drilling assembly.

Four (4) 1.5 in bore, double acting cylinders two per drilling assembly.

Valve Banks

One (1) ATRS and vertical articulation valve bank

One (1) ATRS and vertical articulation valve bank

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

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

Valve Banks

One (1) cable reel and vertical articulation valve bank

One (1) cable reel and vertical articulation valve bank

Valve Banks

All valve banks are spring returned, bi-directional with main relief set at 2,000 psi.

All valve banks are spring returned, bi-directional with main relief set at 2,000 psi.

Valve Banks

All other pressures are set for each function accordingly.

All other pressures are set for each function accordingly.

Valve Banks

Two (2) boom function valve banks, one per drilling assembly

Two (2) boom function valve banks, one per drilling assembly

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

Electrical

Start

Push buttons at tram and drill stations.

Push buttons at tram and drill stations.

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.

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.

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.

Operator’s Drill Station Area

Components

Hydraulically operated drill boom and stab foot functions

Hydraulically operated drill boom and stab foot functions

Components

ATRS function control and all other positioning function control

ATRS function control and all other positioning function control

Components

Vertical articulation function control

Vertical articulation function control

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.

Components

Inch tram function control (left hand drilling assembly only)

Inch tram function control (left hand drilling assembly only)

Components

1 in thick, hydraulically adjustable drill station canopy on each drilling assembly

1 in thick, hydraulically adjustable drill station canopy on each drilling assembly

Tram Station Area

Components

1 in thick manually adjustable canopy

1 in thick manually adjustable canopy

Components

Heavy duty seat

Heavy duty seat

Components

Full tram function control

Full tram function control

Components

Power fill function control

Power fill function control

Components

Vertical articulation function control

Vertical articulation function control

Components

Cable reel function control

Cable reel function control

Components

Four pressure gauges

Four pressure gauges

Components

Steering function control

Steering function control

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.

Manuals

Types

Two parts manuals

Two parts manuals

Types

One LinkOne CD which includes all above manuals in electronic format

One LinkOne CD which includes all above manuals in electronic format

Types

Two operation/maintenance manuals/troubleshooting guides

Two operation/maintenance manuals/troubleshooting guides

Miscellaneous

Kits

Seven (7) oil sampling kits

Seven (7) oil sampling kits

Optional Equipment

RB220 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 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 10 ft.

Cable Reel Option

• 19 in diameter for #2/3C Round Cable – 210 ft capacity horizontal type reel for recommended #2/3C, GGC round trailing cable. Unit is supplied with 20 ft of recommended cable.

Tram Canopy Option

• Tram Canopy, 2 ft 8 in minimum height – manually adjustable tram canopy with a minimum height of 2 ft 10 in and a maximum height of 3 ft 10 in at 8.5 in ground clearance.

Drill Chuck Option

• Dry/Deep Splined Chuck – chuck protrudes above drill head by 1/8 in with no need for drill chuck retention.

ATRS Option

• 10 ft Reach, 10 Wide Crossbeam – T-Bar with 10 ft wide crossbeam including rockers arms one primary ATRS cylinder; one secondary cylinder.

Tire/Wheel Option

• Four 32x12.5-15, 32 in Foam Filled Tires – 20 ply, 32 in maximum form diameter foam filled tires mounted on rim assemblies.

Drill Speed Option

• 650 RPM Maximum Drill Speed – generated by means of a 1.25" gear width hydraulic motor.

Controller Cover/Oil Level Switch Option

• Oil Level Switch, Light & Low Oil Shutdown – above cover assembly with the addition of a low oil level switch that will electrically shut machine down before oil is dangerously low.

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 0.4 cu. ft. capacity that removes larger dust particles automatically, when stab cylinder is activated.

• 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).