Machine Shop Maintenance Technician
NRP Jones
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Job summary
NRP Jones in La Porte, IN seeks a Maintenance Technician to troubleshoot, repair, and rebuild multi-spindle screw machines. You will diagnose mechanical, hydraulic, pneumatic, and electrical issues, perform preventive maintenance, and execute major rebuilds to keep production running safely and efficiently.
The role requires hands-on expertise, reading blueprints, and accurate measurement with precision tools. A strong work ethic and ability to work independently are essential.
Qualifications
- Minimum five years of industrial maintenance or machine repair experience.
- Troubleshooting, repairing, and rebuilding cam-driven multi-spindle automatic screw machines.
- Strong mechanical power transmission knowledge: gears, cams, clutches, brakes, bearings, shafts.
- Ability to read mechanical blueprints, manuals, schematics, and parts diagrams.
- Proficient with precision measuring instruments: micrometers, calipers, indicators, bore gauges.
- Working knowledge of hydraulics, pneumatics, and lubrication systems.
- Basic electrical troubleshooting: three-phase motors and control circuits.
- Operate lathes, mills, grinders, and drill presses to fabricate/repair parts.
- Knowledge of lockout/tagout and safe work practices.
- Strong problem-solving skills and ability to work independently.
Responsibilities
- Troubleshoot and repair mechanical, hydraulic, pneumatic, and electrical failures.
- Identify root causes and implement corrective actions.
- Repair or replace spindles, bearings, clutches, gears, and other components.
- Disassemble, inspect, rebuild, and reassemble multi-spindle machines and major assemblies.
- Measure wear and determine reconditioning versus replacement.
- Perform scheduled preventive maintenance and maintain lubrication systems.
- Follow safety regulations, document repairs, and source replacement parts.
Skills
Education
Tools
Job description
The Maintenance Technician is responsible for troubleshooting, repairing, and rebuilding the multi-spindle automatic screw machines in our machine shop, including Acme-Gridley and Greenlee 6- and 8-spindle bar machines. This role keeps production equipment running safely, accurately, and efficiently by diagnosing mechanical, hydraulic, pneumatic, and electrical problems, performing preventive maintenance, and completing major machine rebuilds. The ideal candidate is a skilled mechanical troubleshooter who takes pride in precision work and keeping equipment in top condition.
- Diagnose and repair mechanical, hydraulic, pneumatic, lubrication, and electrical failures on Acme-Gridley and Greenlee 6- and 8-spindle automatic screw machines.
- Identify root causes of machine breakdowns, part quality problems, and recurring failures, and implement lasting corrective actions.
- Repair or replace components including spindles, spindle bearings, collets and feed fingers, clutches, brakes, gears, cams, cam rolls, slides, and drive belts.
- Troubleshoot and correct indexing, spindle carrier lockup, timing, feed and chucking, and cross slide and end tool slide problems.
- Repair and adjust machine attachments such as threading, cross drilling, pick-off, and cutoff attachments.
- Respond promptly to equipment breakdowns to minimize production downtime.
- Disassemble, inspect, rebuild, and reassemble multi-spindle screw machines and major assemblies, including spindle carriers, headstocks, indexing mechanisms, and slide assemblies.
- Measure wear and determine whether components can be reconditioned or must be replaced.
- Restore machine alignment, clearances, bearing preload, and timing to manufacturer specifications.
- Fabricate or machine replacement parts using manual lathes, mills, and grinders when parts are obsolete or unavailable.
- Test run rebuilt machines and work with set-up and quality personnel to confirm parts meet specifications.
- Perform scheduled preventive maintenance, including lubrication, inspection, adjustment, and replacement of wear components.
- Maintain coolant, oil, and lubrication systems, including filters, pumps, and chip conveyors.
- Recommend improvements to the preventive maintenance program based on equipment history and failure trends.
- Troubleshoot and repair basic industrial electrical systems, including three-phase motors, motor starters, contactors, relays, limit switches, and control circuits.
- Repair hydraulic and pneumatic components such as pumps, valves, cylinders, regulators, hoses, and fittings.
- Maintain bar feed and stock support equipment.
- Document repairs, rebuilds, preventive maintenance, and parts used in the maintenance tracking system.
- Identify, source, and request replacement parts, and help maintain an inventory of critical spare parts.
- Follow all lockout/tagout procedures and company safety regulations when servicing equipment.
- Safely rig and move heavy machine components using overhead cranes, hoists, and forklifts.
- Keep the maintenance area, tools, and equipment clean and organized.
To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodation may be provided to enable individuals with disabilities to perform the essential job functions.
- Minimum of five years of industrial maintenance or machine repair experience in a manufacturing environment.
- Hands-on experience troubleshooting, repairing, and rebuilding cam-driven multi-spindle automatic screw machines, preferably Acme-Gridley and/or Greenlee 6- and 8-spindle models.
- Strong understanding of mechanical power transmission, including gears, cams, clutches, brakes, bearings, shafts, and couplings.
- Working knowledge of machine timing, indexing, and spindle carrier operation.
- Ability to read and interpret mechanical blueprints, machine manuals, schematics, and parts diagrams.
- Proficiency with precision measuring instruments, including micrometers, calipers, dial and test indicators, bore gauges, and feeler gauges.
- Working knowledge of industrial hydraulics, pneumatics, and lubrication systems.
- Basic industrial electrical troubleshooting skills, including three-phase motors and control circuits.
- Ability to operate manual lathes, mills, grinders, and drill presses to fabricate and repair parts.
- Knowledge of lockout/tagout and safe work practices around heavy machinery.
- Strong problem-solving skills and the ability to work independently with minimal supervision.
- Tool and die experience.
- Automotive machine repair or engine rebuilding experience.
- Experience operating, setting up, or repairing manual or single-spindle screw machines, such as Brown & Sharpe or Davenport.
- Welding and fabrication skills.
- High school diploma or GED required.
- Vocational, technical, or apprenticeship training in industrial maintenance, machine repair, or machining, preferred.
- Completion of company indoctrination.
- Successful completion of safety training programs, including lockout/tagout.
- Understanding of the company’s Quality System and processes.
- Willingness to work overtime, weekends, or alternate shifts as needed to support production.
The physical demands and work environment described here are representative of those encountered while performing the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.
- Work is performed in a machine shop environment with exposure to noise, cutting oils, coolant, metal chips, and moving machinery.
- Regularly required to stand, walk, bend, kneel, crouch, reach, and climb for extended periods.
- Regularly required to lift and carry up to 50 pounds, and to move heavier components using cranes, hoists, or other lifting equipment.
- Requires manual dexterity and good vision for precision assembly and measurement.
- Approved safety glasses, steel-toed shoes, hearing protection, and other required PPE must be worn in all working areas,
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