Oscar Ernesto Lopez Ditta

Performs diagnosis, maintenance, repairs, and inspections on the organizations’ tractor trailers, units, and equipment; utilizes and interprets wiring diagrams to diagnose and repair all electrical equipment; and keeps detailed records of all maintenance activities.

Responsibilities.

• Perform diagnosis, maintenance, and repairs on the organizations tractor trailers, units, and equipment
• Troubleshoot and repair tractor trailer engines, aftertreatment systems, fuel systems, HVAC, brakes, lights, 12V systems, airbrake systems
• Perform after-repair inspections on equipment
• Perform valve lash and engine brake adjustments
• Utilize diagnostic tools and software to test engine performance and fuel systems
• Follow manufacturer’s torque sequence to remove and replace fluid end packing, valves, seats, and stay rods
• Remove and replace packing sleeves on Kerr fluid ends
• Diagnose power end issues and failures
• Remove and replace pinion seal, rotary seal, pony rod seals, pony rods, power end cross heads
• Remove and replace injectors and injection sleeves
• Install inspection covers with new gaskets
• Drill out all broken bolts on power end frame, re-tap if necessary
• Program Common Powertrain Controller (CPC), Motor Control Module (MCM), and Aftertreatment Control Module (ACM)
• Troubleshoot derates and fault codes associated with the aftertreatment or one box system
• Remove and replace aftertreatment systems (i.e., one box system, DPF filters, etc.)
• Utilize and interpret wiring diagrams to diagnose and repair all electrical systems
• Perform basic wear and tear checks on equipment
• Ensure equipment is cleaned and lubricated
• Safely operate forklift and overhead hoist
• Perform housekeeping duties and maintain a hazard free work environment
• Accurately document and keep records of all maintenance activities
• Perform miscellaneous clerical duties as needed
• Safely drive a company vehicle day or night, on various road types, and in all weather conditions
• Maintain compliance with Health, Safety, and Environmental (HSE) policies by attending all required HSE training sessions, safety meetings, and always utilize proper Personal Protective Equipment (PPE)
• Other duties as assigned

Oil changes, flushing and replacing fluids, replacing brakes, servicing, testing, and performing, inspections/repairs on a variety of equipment, perform basic wear and tear checks on equipment, ensures equipment is clean and lubricated well, ensures that safety standards are maintained in the course of performing duties, ensures the facility areas and work environment are free of hazardous objects and substances, maintains accurate records of maintenance activities, utilizes and drives a company vehicle as needed, miscellaneous clerical duties as assigned.

Carry out routine checks and maintenance. Check the oil and grease levels of the car chassis bearing system and adjust them if necessary, check the air pressure and the condition of the tires, check the condition and operation of the brake pads, calibrate them if necessary, check lines, connections and air valves of the hydraulic braking system, check the operation of the lights. Carry out general and specific repairs and replace damaged parts. Once the diagnosis is completed, remove the damaged parts and replace them such as, brake shoe kit, outboard mount hub assembly, roller bearings, hub seals, spring brake, air brake valve, brake camshaft, leaf spring, torque rod adjustable, equalizer hutch, air lines for braking system, replacement of wheels and tires, connections for lights, lamps among other parts, complying with the applicable safety measures and procedures when carrying out repairs and using the tools and safety equipment necessary when operating machinery or tools heavy (glasses, gloves, safety boots, mask). Document and notify the supervisor about all the repairs made to the units, keep the inventory of parts and work tools commonly used in optimal conditions.