Summary
Overview
Work History
Education
Skills
Websites
Accomplishments
Training And Professional Development
References
Certifications And License
Equipment Worked On
Timeline
Generic

William Dawson Arkoh

WOODBRIDGE,VA

Summary

Accomplished Heavy Duty Fitter with expertise in diagnosing and repairing heavy machinery at TERRA MINING. Proven track record in optimizing equipment performance through effective troubleshooting and maintenance. Skilled in safety compliance and collaboration, ensuring operational efficiency. Successfully reduced downtime by 30% through proactive inspections and timely interventions. Proficient in Electronic Technician software and Microsoft Office Suite.

Overview

16
16
years of professional experience

Work History

Heavy Duty Fitter

TERRA MINING
09.2023 - 12.2023
  • Company Overview: H.M.E DEPARTMENT | NORTON GOLDFIELDS SITE AUSTRALIA
  • Conducted routine inspections of excavators and heavy-duty equipment in the field to ensure operational efficiency and detect potential issues early.
  • Utilized Electronic Technician (ET) software to accurately diagnose malfunctioning components, ensuring timely and effective repairs.
  • Performed component changeouts and overhauls, including engines, hydraulic cylinders, booms, buckets, and final drives, to restore equipment functionality.
  • Diagnosed and resolved equipment malfunctions, such as cooling system issues and hydraulic failures, to minimize downtime and optimize performance.
  • Maintained detailed maintenance records of all scheduled and preventative services, including 250hr, 500hr, 750hr, 1000hr, and 2000hr intervals, ensuring compliance with maintenance schedules.
  • H.M.E DEPARTMENT | NORTON GOLDFIELDS SITE AUSTRALIA

Excavator Mechanic

TARKWA GOLDFIELDS (ENGINEERS AND PLANNERS)
11.2020 - 09.2023
  • Company Overview: GHANA
  • Conducted Daily Equipment Inspections: Performed thorough inspections on undercarriage, attachment carriage, and upper carriage systems, identifying any cracks, missing or broken bolts, worn-out components, and oil or coolant leaks to ensure optimal machine functionality and safety.
  • Performed Preventive and Breakdown Maintenance: Carried out both preventive and breakdown maintenance on heavy-duty equipment, including checking and replacing filters, topping up engine, hydraulic, and gear oils, and greasing all lubrication points as per the planned maintenance schedule.
  • Executed Component Change-Outs: Removed and replaced worn-out or defective components such as tracks, rollers, track chains, and hydraulic seals, following scheduled intervals or as necessary to maintain equipment performance.
  • Engaged in Troubleshooting and Field Service: Diagnosed mechanical faults by consulting machine operators, conducting safety assessments, and inspecting machinery for visible issues. Applied corrective repairs and troubleshooting procedures to restore equipment to working conditions.
  • Performed Repairs and Resealing: Repaired or resealed damaged components, including replacing seals, O-rings, wiper seals, and valve banks, as well as addressing any hydraulic leaks or inefficiencies to ensure equipment reliability.
  • GHANA

Excavator Mechanic

BAYS WATER CONSTRUCTION AND MINING GHANA LIMITED
03.2016 - 09.2020
  • Performed valve adjustments on heavy-duty equipment to ensure optimal performance and compliance with manufacturer specifications.
  • Executed undercarriage work on excavators such as CAT 6030, 6020B, and 6015B, maintaining the integrity and functionality of critical components.
  • Ordered necessary parts for machinery repairs, demonstrating the ability to assess equipment needs and ensure timely completion of maintenance tasks.
  • Conducted daily routine checks on excavators in the field, identifying potential issues and ensuring equipment readiness for operations.
  • Utilized Electronic Technician (ET) software to diagnose malfunctioning components, effectively troubleshooting and rectifying issues to minimize downtime.

Heavy Duty Mechanic

Kinross-Chirano Goldmines Company Ltd.
10.2011 - 05.2015
  • Company Overview: Bibiani, Ghana
  • Bibiani, Ghana

Industrial Internship

Anglo Gold Ashanti Iduapriem Mine
06.2009 - 08.2009
  • Company Overview: Tarkwa, Ghana
  • Tarkwa, Ghana

Industrial Internship

Anglo Gold Ashanti Iduapriem Mine
05.2008 - 08.2008
  • Company Overview: Tarkwa, Ghana
  • Tarkwa, Ghana

Education

Masters - Engineering Management

Catholic University of America
09.2025

Bachelor of Technology (BTech) - Mechanical Engineering

Takoradi Technical University
08.2021

Skills

  • Maintenance and Repair
  • Safety and Compliance
  • Machine Manuals
  • Equipment Maintenance
  • Documentations and Reporting
  • Microsoft Office Suite
  • Troubleshooting and diagnosing
  • Communications and Collaborations
  • A Computer hardware

Accomplishments

  • Enhanced Equipment Performance: Successfully conducted comprehensive inspections and maintenance on various heavy-duty machinery, resulting in a significant reduction in downtime and increased operational efficiency.
  • Technical Expertise Development: Developed advanced troubleshooting skills by effectively using Caterpillar SIS and Electronic Technician (ET) software, enabling rapid identification and resolution of mechanical faults.
  • Process Improvement Initiatives: Actively participated in continuous improvement projects that streamlined maintenance processes, reducing service time and improving overall productivity.
  • Safety Compliance: Consistently maintained high safety standards by completing First Aid and Safety Regulations training, contributing to a safer working environment in high-risk settings.
  • Team Leadership and Collaboration: Demonstrated strong teamwork and leadership skills by collaborating with diverse teams to complete complex repairs and maintenance tasks under tight deadlines, earning recognition from supervisors for exceptional performance.
  • Documentation and Reporting: Developed clear and concise maintenance reports detailing work performed and issues identified, improving communication with management and contributing to informed decision-making.
  • Preventive Maintenance Scheduling: Successfully implemented and maintained records of preventive maintenance schedules, ensuring timely servicing of equipment and reducing the risk of unexpected failures.
  • Component Overhaul Proficiency: Executed complex component overhauls, including hydraulic cylinders and major assemblies, enhancing the reliability and lifespan of critical machinery.

Training And Professional Development

  • Microsoft Office Suite (Word, Excel, PowerPoint): Developed proficiency in creating documents, analyzing data, and designing presentations, enhancing effective communication and project management.
  • A+ Computer Hardware: Gained foundational knowledge in computer hardware installation and troubleshooting, equipping me to address technical challenges efficiently.
  • Internet Applications: Trained in utilizing web-based tools and online collaboration platforms, improving information access and productivity.
  • Microsoft Project Application: Acquired skills in project planning and monitoring using Microsoft Project, enabling effective resource allocation and timely project delivery.
  • First Aid and Safety Regulations: Completed training in emergency response and workplace safety protocols, ensuring compliance with safety standards and readiness for medical emergencies.
  • Preventive Maintenance: Learned techniques for developing maintenance schedules and conducting inspections, minimizing equipment downtime and enhancing operational efficiency.

References

  • Stephen Ekow Appiah, Maintenance Supervisor, BCM Ghana Ltd, Stephenekow@yahoo.com, +233244521376
  • Nuhu Adams, Maintenance Supervisor, Engineers & Planners Co. Ltd, nuhuadams19@gmail.com, +233245878211
  • Mr. Joseph Atubii, Maintenance Supervisor, Terra Mining Pty Ltd (Mader Company), autii62@gmail.com, 0412358090

Certifications And License

  • Passport
  • Driver License B and E

Equipment Worked On

  • Wheel Loader: 992G
  • Komatsu Excavators: PC1250, PC450
  • Caterpillar Loaders: Loader 988H & Loader 966H
  • Caterpillar Dozers: D9R, D7R, D6R, D9T & D10T
  • Caterpillar Dump Trucks: 777F, 777E, 777G, 777D & 785D
  • Liebherr Excavators: R9350, R9250, R996, R994B, R984C, R944
  • Hitachi Excavators: Backhoe EX1200-7, Backhoe EX1900-6
  • Caterpillar Graders: Motor Grader 16H, Motor Grader 14H, Motor Grader 16M
  • Caterpillar Excavators: CAT 6030 Front Shovel, CAT 6020B, CAT 6015B, CAT 390D, CAT 349D, CAT 345C

Timeline

Heavy Duty Fitter

TERRA MINING
09.2023 - 12.2023

Excavator Mechanic

TARKWA GOLDFIELDS (ENGINEERS AND PLANNERS)
11.2020 - 09.2023

Excavator Mechanic

BAYS WATER CONSTRUCTION AND MINING GHANA LIMITED
03.2016 - 09.2020

Heavy Duty Mechanic

Kinross-Chirano Goldmines Company Ltd.
10.2011 - 05.2015

Industrial Internship

Anglo Gold Ashanti Iduapriem Mine
06.2009 - 08.2009

Industrial Internship

Anglo Gold Ashanti Iduapriem Mine
05.2008 - 08.2008

Masters - Engineering Management

Catholic University of America

Bachelor of Technology (BTech) - Mechanical Engineering

Takoradi Technical University