Drives & Controls Services, Inc. OVER 30 FIELD REPRESENTATIVES WORLD

WIDE

OVER 400 YEARS COLLECTIVE ELECTRICAL MINING EXPIERENCE

EXPIERENCE IN ALMOST ALL MAKES AND MODELS OF MOTION REGULATORS OLD AND NEW

24 HOUR SUPPORT

WWW.DRIVESANDCONTROLS.COM

USA

•Tyler, Texas

•Bogata, Texas

•Heath, Texas

•Henderson, Texas

•Jasper, Alabama

•Bradenton, Florida

•Casper, Wyoming

•Gillette Wyoming

•Dubois, Wyoming •Edmonton, Alberta, CAN

•Mackay, Queensland, QLD

•Dysart, Queensland

•New Castle, New South Wales

•Cartagena, Columbia

Locations

Drives & Controls Services, Inc.

•LOCATED NEAR STIGLER, OKLAHOMA •THE DRAGLINE ORIGINALLY CAME FROM ARK. 12 YEARS EARLIER •MINING HIGH BTU COAL and SHIPPING IT TO CHINA •THE DRAGLINE DIGS THE ROCK THAT HAS BEEN BLASTED and MOVES IT OVER TO THE SPOIL PILE

LOCATED IN EASTERN OKLAHOMA

40 MILES WEST OF FT SMITH, AR

AVERAGE 100’ OVERBURDEN OF SOLID ROCK

THEY USE BLASTING TO HELP GET TO THE COAL

PAGE 752 DRAGLINE

HIGH WALL

HIGH WALL BLAST HOLES

PAGE 752 DRAGLINE

HIGH WALL

HIGH WALL BLAST HOLES

EXTRA HOLES

LOADED WITH

EXPLOSIVE

DRILLED HOLES WERE LOADED EXTRA HOLES WERE LOADED WITH EXPLOSIVE BY

MISTAKE

WHEN THE INTENDED HOLES WERE SET OFF THE OTHER HOLES IGNITED ALSO

SENDING TONS OF ROCK INTO THE BACK OF THE DRAGLINE

MG SETS WERE PUSHED FORWARD 3 FEET

SYNC MOTOR DRAG GEN

AT THE TIME OF THE ACCIDENT THE OPERATOR WAS IN THE CAB

THE OILER WAS DOWN IN THE MACHINERY HOUSE

THE OPERATOR HAD POINTED THE FRONT OF THE DRAGLINE AWAY FROM THE BLAST

THE M-G SETS WERE SHUTDOWN

THE BLAST BLEW OUT THE REAR GLASS IN THE CAB

IT ALSO SENT A ROCK THROUGH THE FRONT GLASS NARROWLY MISSING THE OPERATOR

• DCS WAS CONTACTED AND WE HAD MEN AT THE SITE THE NEXT DAY

• POWER WAS REMOVED, THE SITE WAS INSPECTED AND DETERMINED TO BE SAFE TO WORK IN

• THE FIRST TASK WAS TO REMOVE THE ROCK TO BEGIN TO ASSESS THE HIDDEN DAMAGE

ROCK and DIRT WERE SEVERAL FEET DEEP IN PLACES

MOTOR CONTROL CENTER WAS DESTROYED

THE M-G SETS WERE BROKEN LOOSE FROM THE BASE

• M-G SETS HAD BEEN BROKEN LOOSE FROM THE BASE

• THE M-G BASE ITSELF WAS BROKE LOOSE FROM THE FLOOR

• THE REAR HOIST MOTOR WAS BROKE LOOSE FROM IT’S BASE • THE M-G SET PUSHED THE RIGHT SIDE CABLE TRAY FORWARD SEVERAL FEET

A PLAN OF ACTION REMOVE THE DAMAGED EQUIPMENT

M-G SETS

MCC

CONTROL CABINETS

HIGH VOLTAGE CABINETS

DAMAGED SECTIONS OF CABLE TRAY

ALL CABLES EXCEPT THOSE GOING TO BOOM LIGHTS

SAWSALL WAS USED TO CUT THE CABLES

THE BACK DOORS AND SIDE PANELS WERE REMOVED

LOCATE ANOTHER M-G SET MOSAIC FLORIDA DL4 HAD BEEN SOLD FOR SCRAP

IT WAS A G.E. M-G SET VERSES A WESTINGHOUSE

MEASUREMENTS WERE MADE TO VERIFY IT WOULD FIT

NAMEPLATES WERE COMPARED FOR KW RATINGS

THE MOSAIC DL4 G.E. M-G SET NEAR FOUR CORNERS MINE

MOBILIZE PEOPLE CCC - TO REMOVE THE REAR DOORS AND PANELS FROM

DL4 AND SHIP THEM TO FARRELL COOPER

FLANDERS ELECTRIC - TO RETRIEVE THE M-G SETS FROM DL4 AND BEGING TO REFURBISH

DCS - TO START BUILDING NEW CABINETS AND PANELS IN OUR TEXAS SHOP

SET UP AN OFFICE

OFFICE

NEW MCCs PRINTS WERE EXAMINED FOR BREAKER AND CONTACTOR

SIZES

MEASURMENTS MADE TO FIND THE AVAILABLE SPACE

ORDER WAS PLACED

THEY WERE DELIVERED IN 2 WEEKS

HIGH VOLTAGE SWITCH GEAR

NEW TOSHIBA VCCs WERE ORDERED

NEW HIGH VOLTAGE ISOLATION SWITCHES WERE ORDERED

NEW CONTROL AND DRIVE CABINETS

NEW SIEMENS 6RA80 DRIVES WERE ORDERED

NEW ALLEN-BRADLEY PLC WAS ORDERED

BEGIN CABINET CONSTRUCTION

MEASURMENTS MADE TO FIT EQUIPMENT TO THE AVAILABLE SPACE

NEW CABINETS BUILT IN THE DCS SHOP

MOST OF THE ASSEMBLY WAS DONE IN THE DCS SHOP

BEGIN BUILDING NEW CABLE TRAY ON THE DRAGLINE

BEGIN PULLING NEW CABLE- ‘A’ LEADS FIRST

A FEW THINGS WE FOUND ALONG THE WAY

#1 SWING MOTOR GROUND FAULT

#3 SWING MOTOR SHORTED FIELD COIL

WIRING INSULATION DETERIORATING

“A” LEAD GROUNDED IN #1 SWING MOTOR

THE INSULATION WAS ALL THAT HELD IT TOGETHER

CONTROL WIRING FOR BOOM HOIST MOTOR BAD

CONTROL WIRING FOR DECK WINCH MOTOR

THE NEW EQUIPMENT

HIGH VOLTAGE SWITCH GEAR

THE NEW LINEUP

NEW SIEMENS 6RA80

DIGITAL DRIVES