RICHMOND AGYEI DARKWA
Heavy Duty Equipment Mechanic
Tarkwa
********@*****.*** - +233*********
WORK EXPERIENCE
Heavy Duty Equipment Mechanic / Acting Supervisor
Goldfields Ghana Limited - Tarkwa - July 2014 to Present
As a heavy duty equipment mechanic my duties is Using Service manual/ hand held and lap top diagnostic
tools to troubleshoot and diagnose equipment problems. servicing and repairing road/mining maintenance
equipment such as: blast hole / exploration drill rigs or heavy earthmoving equipment such as Tamrock/Pantera
DP1500, DP1500i, Dretech D45Ks, D65, F9, pit viper PV235, Cat dozers, forklift, Trailer, Tractor, Trucks,
Loaders, Graders, Backhoe. Kumastu, light vehicles: Toyota, Chryslers, Perkins engines, Cummins engines
and other related equipment.
Undertakes the implementation of equipment maintenance systems and quality strategies in
Order to foster equipment reliability, availability and safety standards
Mentor, develop and train crew members to ensure they are competent to work in their current job positions
and where appropriate coached and prepared for the next position
Completes accurate time records, technical reports, failure reports, parts listings and submits drawing revisions
Responsibility to identify and report unsafe work habits, workplace incidents and/or near misses
Maintains orderly workshop and ensures housekeeping requirements are met
Ensures that all activities are carried out in accordance with Company values and procedure
Servicing and maintenance on equipment in relation to planned/ Preventive maintenance Change of coolant,
engine oil, hydraulic oil, differential oil, final drive oil, filters, greasing points and hydraulic fluids. Inspection
on machines chassis for cracks, leakage, loose bolts and nuts and any physical damage on the machine.
Assembly of machines which includes: installation of axle, suspension, cab, cab extension, fuel tank, steering
tank, drive shaft, walkways and connecting of hoses. Removal and replacement of excessive worn out and
malfunctioning components such as tracks, buggies, track guides, top and down rollers; remove belly guide
and check for leakages under the machine. Check for leakages on worn out seals in hydraulic cylinders, push
arms and bearings, cutting edges etc. Tests repaired equipment to ensure proper operational performance
MAJOR REPAIRS
Replacement of malfunctioning or inefficient major components such as: Power head, drifter, control valve
blocks, Screw compressors, Boom, transmission units, hydraulic cylinders, engines, hydraulic pumps,
transmission pumps, water pumps; undercarriage work – replace worn out idlers, rollers, track assembly
Overhauling of engines, torque convertors, transmission units, dismantling and assembling hydraulic cylinders,
assembling of valves, hoses. Complete undercarriage works are carried out: replacing final drives, idlers,
rollers, segments, stabilizer bars (if defective), telescopic adjustments (if defective)
Dismantling, resealing and rebuilding of hydraulic cylinders is carried out by replacing of oil seals, wiper seals,
backup seals, O-rings and check for defective pistons, replacing as necessary
Equipment I Service
Sandvik: Tam rock / Pantera DP1500, Pantera DP1500i
Dretech D45Ks,
Atlas copco: D65, F9, Pit Viper 235
Compressors: Atlas Copco ZE3, GA75,
Man Diesel Trucks
Dump Trucks (793D, 785C, 777F, 773E, 777D, 740E
Dozers (D9T, D9R, D10T & D10R)
Graders (14M, 16M, 16H)
Volvo Service Truck
Wheel Loaders (966G & 992G 924G, IT28)
Compressors: Atlas Copco ZE3, GA75,
Forklifts: CAT DP30, DP35, DP150
Caterpillar Generators: CAT 3408, 3512, 3516
Tele-Handler: TH360b,TH56ob
Mechanical Technician
Sandvik Mining and Construction Limited - Ghana - January 2011 to June 2014
-Undertakes servicing and defect of all the planned and breakdown maintenance on all the Sandvik machines
(drill rig fleet) in accordance with the company rules and regulation
-Attend to breakdowns of all kinds in the mining pit/field, including mechanical, hydraulic, pneumatic and
electrical problems
-Ensure that tasks are completed in a safe and efficient manner and comply with all Company policies and
regulatory laws and regulations
-Ensure that the permit to work and isolation systems are strictly adhered to by the maintenance department
-Mentor, develop and train crew members to ensure they are competent to work in their current job positions
and where appropriate coached and prepared for the next position
-Provide relevant feedback to enable maintenance planning improvements in terms of efficiency and equipment
integrity
-General maintenance including part change out such as: feed rope, worn-out centralizer jaws, defective
cylinders, checking alignments, replacing worn-out track chain and track rollers, replacing burst hydraulic
hoses, resealing valves and components. During servicing, thorough checks are done for defective parts,
greasing, replacing clogged filters, check and stop oil leakages, check hydraulic drilling pressures and make
adjustments if necessary according to basic settings
-Commissioning Sandvik machines, Rebuilding and repairing of drifter, pumps, rotation motors, Compressors,
Coolers, and Carried out engine servicing, compressor, gear box, final drive at a given periods of time during
which oils and filters are changed.
Check for leakage on worn out hydraulic cylinders, push arms and bearings, cutting edges and end bits
-Check and replace hydraulic oils and filters, transmission oil, remove belly guide and inspect for leakages
under the machine, perform electrical faults
Equipment Worked On
Sandvik: Tam rock / Pantera DP1500, Pantera DP1500i
Dretech D45Ks, Solo, Cubex DR560, shram
Compressors: Atlas Copco ZE3, GA75,
Forklifts: CAT DP30, DP35,
Caterpillar Generators: CAT 3408,
Volvo Service Truck, Astra Truck, Man Diesel Trucks
Heavy Equipment Mechanic
Engineers and Planners Company Limited - Tarkwa - October 2007 to December 2010
Undertakes Repair, overhaul, troubleshoot and maintain various types of heavy equipment Such as dozers,
forklift, Tractors, Trailers, Trucks, Loaders, Graders, Backhoe. Crane, D65, F9 rig, Tam rock/Pantera 1500
Install, examine, replace or repair damaged or defective parts in heavy machinery
Test electrical/mechanical components for continuity, current, voltage and resistance
Maintain, repair, test and install motors, generators, Turbo chargers, alternators, industrial storage batteries
and hydraulic and pneumatic electrical control systems
Troubleshoot, maintain and repair industrial, electrical and other related devices
Conduct preventive maintenance programs and keep maintenance records
Ensure following all health and safety policies and procedures
EQUIPMENT WORKED ON
Sandvik: Tam rock / Pantera DP1500
Atlas copco: D65, F9
Man Diesel Trucks
Bulldozers: D8T, D9R
Wheel Dozers: 834G
Wheel loaders: 992G, 988F, 992K,
Dump Trucks: 773B, 777D, 777F,
Excavators: 385CL, 325C, 330C
Motor Graders: 14H, 16H, 14M,
Compressors: Atlas Copco GA75,
Forklifts: CAT DP30, DP35, DP150
Apprentice Auto Electrician
Mutta Auto Electrical Limited - Tarkwa - Ghana - August 2002 to September 2005
Responsibilities
•Diagnose electrical problems using computer testing equipment
• Repair and service all heavy equipment within the established time standards
• Prepare accurate service and repair reports in a timely manner
• Maintain excellent customer relations
• Undertake assignments as required in support of client needs
• Participate in workplace safety, environmentally sound and healthy behaviors and objectives
• Troubleshooting Electrical control systems
EDUCATION
Certificate in Integrated Plant mechanics/Heavy Equipment Mechanic/Drill Rigs
University of mines and technology - Tarkwa
2011 to 2013
Motor Vehicle Technician Certificate in Automobile Engineering
Takoradi technical institute - TAKORADI
2008 to 2008
CERTIFICATE in MOTOR VEHICLE MECHANIC WORK
ASUANSI TECHNICAL INSTITUTE - CAPE COAST
2004 to 2007
SKILLS
Leadership and supervisory experience. Experience in running multiple sites. experience operating heavy
equipment. Hydraulic experience, Troubleshooting skills, Proficient Computer Skills, Solid conflict resolution
skill, Able to develop people and be a team player Well Organized, Strong understanding of business
process and maintaining companies’ best interest, Minimum 8 years in all aspects of Mining and Construction
experience, Uses and maintains tools and equipment, Uses hoisting and lifting equipment, Operates access
equipment, Uses personal protective equipment (PPE) and safety equipment, Performs general maintenance
and inspections, Maintains fluids, Services fasteners, sealing devices, adhesives and gaskets. Services
hoses, tubing, piping and fittings. Services bearings and seals. Services safety features. Performs scheduled
maintenance procedures. Identifies operational faults. Performs operational checkout. Organizes work. Uses
documentation and reference materials. Completes documentation. Communicates with others. Prepares job
action plan. Maintains safe work environment. Performs routine trade activities.
ADDITIONAL INFORMATION
INSERVICE TRAINING
•Induction Training
•Basic Hydraulics
•Basic Power Train
•Basic Electrical
•Measuring Tools and Gauges
•SIS & ET
•SIMS and Report Writing
•Basic Undercarriage
•Undercarriage and Operator Techniques
•Undercarriage wear and failure analysis
•Undercarriage Workshop Abrasive Wear
•CIS (Custom Track Service)
•Transmission Control
•Basic Engines
•Safe Lifting Practice and Overhead Crane Operation Overhead Crane Operation
• Caterpillar Web Based Training
I carry out my work using the following tools
Service Manual,, Hand Tools Electronic technicians (ET), Air Torque,
Chain Blocks, Come Along, Vernier Calipers, Overhead Cranes, Hiab Crane, Forklift
Filter Belt, Hydraulic Press, Torque Wrench. Pressure Gauges, Torque Multiplier, Jacks, Impact Wrench,
Grease Guns, Temperature Gauges, Impact Wrench, Sling, Shackle, Eye Bolt, Multi Meter, Dial Gauge, Chain
Blocks, Grinding Wheel, Scraper, Files, Dial bore gauge,Rifle brush, Magnaflux. Dye penetrant, Straight edge,
Feeler gauge, Dial bore gauge, Rigid stone hone, Round straight edge, Valve spring compression tool, Solvent,
Dial indicator, Micrometer, Spring compressor, 90 degree straight edge, Stones or cutters, Engine oil, Scrub
brush, Hardening sealer, Pry bar, Piston ring compressor Etc.
ADDITIONAL INFORMATION
Mr. Michael Antwi
Superintendent
Goldfields Ghana Ltd
Post office box 26
Tel: +233*********
Mr. John Kofi Takyi
Mechanical Supervisor
Sandvik Mining Ghana Ltd,
Post office Box 540.
Tarkwa. Tel: +233*********