Highly Skilled Maintenance Mechanic

*Performs scheduled and preventative maintenance of equipment, machinery, electrical systems and structures using blueprints, diagrams, manuals and written instructions while adhering to safety guidelines to ensure equipment is working so that efficient operations are maintained.
*Troubleshooting, diagnoses and repairs malfunctions promptly, including equipment and machinery malfunctions, using blueprints, diagrams, manuals and written instructions while adhering to safety guidelines to ensure equipment is working in order to maintain efficient operations.
*Constructs and installs or repairs equipment in order to maintain efficient operations.
Trains and instructs General Maintenance associates in maintenance of center, ensuring that maintenance is completed in a timely and accurate manner.

Electrical Skill/Knowledge requirements:

*Electrical knowledge to include purpose and circuit function of the following components: Capacitors, Inductors, Resistors, Diodes, Silicon Controlled Rectifiers, Relays, Step-down transformers, Half-wave rectifiers, Full wave rectifiers, Bridge Full-Wave rectifiers, Direct Current Power Supplies, Step-up transformers, Rheostats, Potentiometers, Overloads both magnetic and thermal and be able to identify 10 standard electrical/electronic symbols contained in IEEE standards

*Demonstrate the knowledge and practical performance of testing electrical circuits by using the following: Voltage meters, Ampere meters, Ohmmeters. Demonstration will consist of using provided electrical blueprints and stating the various values given the circuit conditions. The various test points must be tested using the proper connections for each meter type

*Explain the difference in distance capabilities between RS-232 and RS-422

*Be able to state the proper procedures for locking/tagging out electrical circuits

*Be able to identify electrical waveforms to include sine waves, cosign waves, square waves

*Explain the difference between average and root mean squared (RMS) voltages
*Demonstrate how to wire up a three phase multi-voltage motor for 277vac or 480vac

Programmable Logic Controller (PLC) Knowledge/Skill Requirements/practical performance:

*Be able to attach a computer or terminal monitor to an on and off line PLC without disturbing the operating characteristics of the system. The proper port must be selected on the first attempt to attach

*Monitor the PLC operation by verifying selected Inputs and outputs. Determine the state of each I/O device. Determine if a rung contains true or false logic

*Determine the status of the output coil from the selected ladder logic. State the commands that would be used to force I/O on or off. Upload and download PLC operating programs

*Explain how to start and stop a PLC operating program, know what unit on the PLC system contains the operating system, be able to explain the 'examine on' and 'examine off' functions of a PLC

*Explain how to change the battery on the PLC without losing the program, how to troubleshoot inputs modules and output modules

*Explain the purpose of an Opto-coupler

*Explain the purpose of the fuse on the output module and explain why or why not the input module has or has not a fuse

*Explain the purposes of the LED indicators on the input/output modules

*Explain the steps necessary to change out a bad central process controller, a bad input module, a bad output module, a bad power supply

*Explain the purpose of the run switch on a PLC

*Explain how to create a backup disk for a PLC operating program

Building Systems Knowledge/Skill Requirements/practical performance:

*Draw from memory the complete fire protection system to include fire pumps, loop system, fire plugs-post Indicating Valves and sprinkler riser locations

*Explain normal operation of the fire protection system, the fire alarm panel and identify pull stations

*Demonstrate where the location and both normal and emergency operation of the main gas valve, main water valve, main electrical switchboards

*Demonstrate the operation of the ventilation and exhaust system for the entire building. Explain procedures in event data processing air conditioner fails

*State the departmental requirements and procedures for the main electrical switchboard in the event of an actual fire and evacuation order

Mechanical Skill/Knowledge Requirements:

*Calculate gear speeds and ratios given values of speeds required. This includes increasing the speed of a conveyor belt to given value

*Determine the pitch of a given roller chain

*Explain the operation of a standard chair breaker

*Explain and demonstrate how to properly cut and lace a rubber fabric conveyor belt

*Explain how to align a sprocket and chain drive system. Explain the purpose of a taper lock bushing

Conveyor Skill/Knowledge Requirements:

*Demonstrate energizing and bringing the entire conveying system on line for normal operations, including the sortation system and ship lanes

*Upload and download actual order filling/shipping modules PLC programs without changing the system operation

*Change out failed sorter diverter units

*Determine ampere draw on sorter motor/motors. Explain causes for high sorter motor amperage

*Explain the operation of the automatic/manual chain oiling system

*Demonstrate the ability to run the merge control station during actual outbound shipping operation

*Explain and demonstrate knowledge of the carton overhead/side scanning system including inputs, outputs and how to test for normal system operation
*Explain how the merge control PLC balances the incoming freight lanes from the modules

*Must be 18 years of age or older

EOE MINORITIES / FEMALES / PROTECTED VETERANS / DISABLED