Ronald Christoff
Youngstown,OH
Summary
Dynamic mechanic with extensive experience at Cummins Bridgeway, specializing in engine repair and preventive maintenance. Proven ability to enhance equipment performance through effective troubleshooting and diagnostics. Recognized for reducing equipment failure rates and ensuring safety compliance, while collaborating effectively with teams to achieve operational excellence.
Overview
47
47
years of professional experience
Work History
Mechanic
Youngstown Street Depatment
Youngstown, OH
12.2008 - Current
- Analyzed and located malfunctions in brakes, motors, switches, and control systems.
- Removed worn or faulty components for replacement or repair.
- Performed routine maintenance and repairs on heavy equipment such as bulldozers and backhoes.
- Collaborated with a team of mechanics to troubleshoot complex mechanical problems and devise appropriate repair strategies.
- Reduced equipment failure rates with proactive detection and repair of minor issues before they escalated.
- Operated diagnostic tools and equipment to identify faults and malfunctions accurately.
Class A Journeyman Mechanic
Cummins Bridgeway
Hubbard, OH
10.2001 - 12.2008
- Upgraded engines by installing high-performance components, resulting in improved power output and fuel efficiency.
- Assisted clients in understanding the benefits of regular maintenance to prolong the life of their rebuilt engines.
- Performed thorough post-rebuild testing procedures to confirm reliability and proper functioning of rebuilt engines before returning them to customers.
- Meticulously followed manufacturer specifications for torque values, clearances, and tolerances during rebuilds to ensure optimal performance and longevity.
- Tested newly installed equipment to determine proper functionality and compliance with regulations.
- Performed safety and emissions inspections.
Fabricator
Miller Transfer and Rigging
Rootstown, OH
07.1994 - 10.2001
- Improved welding quality by performing precise cuts, bevels, and welds on various metals.
- Troubleshot equipment malfunctions utilizing diagnostic tools and technical manuals.
- Inspected and tested heavy equipment components to certify proper operation and safety.
- Repaired and replaced engine parts such as pistons, cylinders and liners to restore function.
- Optimized machine operations, executing regular tune-ups and adjusting hydraulic systems as needed.
- Fabricated and installed custom parts and components to meet specific equipment needs.
- Leveraged diagnostic tools such as multimeters and pressure gauges to accurately identify malfunctions in electrical systems.
- Provided on-site emergency repair services, minimizing operational disruptions during critical project phases.
Rebuilder
United Truck Parts
Girard, OH
09.1988 - 07.1994
- Analyzed malfunctioning equipment and determined type of repairs required.
- Replaced defective wiring systems, hydraulics, and braking systems to return machines to service.
- Maintained meticulous records of all repair work that was made to machines and equipment.
- Diagnosed and repaired hydraulic and electrical systems to maintain equipment function.
- Replaced worn or damaged parts and components, ensuring equipment safety and functionality.
- Evaluated heavy equipment to determine necessary repairs and maintenance requirements.
- Performed annual D.O.T. inspections
Mechanic
Fyda Freightliner Youngstown
Youngstown, OH
01.1979 - 09.1988
- Inspected and tested equipment to locate worn and damaged parts.
- Replaced damaged, missing, or defective parts with new and refurbished components.
- Performed diagnostic and troubleshooting procedures to find and identify root causes of mechanical issues.
- Performed preventative maintenance oil changes and brake jobs to preserve performance and reliability of vehicles.
- Completed full vehicle inspections to check for leaks, damage, or other issues of concern.
- Disassembled defective parts to make proper repairs.
- Repaired engine and transmission components to rebuild engine and enhance vitality.
- Preserved fleet longevity through comprehensive overhauls of aging equipment as needed.
Education
High School Diploma -
The Ryan High School
Youngstown, OH06-1981
Skills
- Troubleshooting skills
- Maintenance and repairs
- Troubleshooting
- Engine repair
- Preventive Maintenance
- Brake systems
- Heavy equipment repair
- Mechanical systems
- Diagnostics
Timeline
Mechanic
Youngstown Street Depatment
12.2008 - Current
Class A Journeyman Mechanic
Cummins Bridgeway
10.2001 - 12.2008
Fabricator
Miller Transfer and Rigging
07.1994 - 10.2001
Rebuilder
United Truck Parts
09.1988 - 07.1994
Mechanic
Fyda Freightliner Youngstown
01.1979 - 09.1988
High School Diploma -
The Ryan High School