OnSite Services
Preventive Maintenance Services
Lost productivity caused by poor performance or unplanned failure of your automation assets can significantly reduce your revenue and profitability. A Rockwell Automation Preventive Maintenance Services Agreement allows you to leverage our global network of technical resources to help you design and implement the most efficient preventive maintenance program for optimizing the performance of your assets including drives, programmable logic controllers and motion systems.
What makes our Preventive Maintenance Service Agreement different?
Total protection and peace of mind with the full support of Rockwell Automation to stand behind your preventive maintenance program:- Full-service warranty that ensures we'll repair or replace the parts in the unlikely event of a failure
- 24/7 remote troubleshooting available to get you back on line faster
- Rockwell Automation fully-warranted new or remanufactured replacement parts which ensures compatibility
- Complete documentation of all activities performed during scheduled visits
- Remediation of equipment problems
Preventive Maintenance Activities
Physical Checks (NO Medium Voltage and NO Control Power)
- Record/Validate Drive, Motor and Feedback Device Nameplate Information
- Examine environment in which drive is installed. (clean, ambient temperature – visual) and record
- Inspect input/output/bypass contactor sections
- Inspect all associated drive components for loose power cable connections and ground cable connections
- Torque an loose cables to the required torque specifications
- Inspect the bus bars and check for any signs of overheating / discoloration and tighten the bus connections to the required torque specifications
- Clean all cables and bus bars that exhibit dust build-up
- Use torque sealer on all connections
- Carry out the integrity checks on the signal ground and safety grounds
- Check for any visual/physical evidence of damage and/or degradation of components in the low voltage compartments
- Clean all contaminated components using a vacuum cleaner and wipe clean components where appropriate
- Check for any visual/physical evidence of damage and/or degradation of components in the medium voltage compartments (inverter/rectifier, cabling, DC Link, contactor, load break, harmonic filter, etc)
- Carry out the physical inspection and verification of the proper operation of the contactor/isolator interlocks, key interlocks and door interlocks
- Physical verification of the additional cooling fans mounted in the AC Line Reactor cabinet; check the Harmonic Filter cabinet for mounting and connections.
- Clean the fans and ensure that the ventilation passages are not blocked and the impellers are freely rotating without any obstruction.
- Carry out the insulation meggering of the drive, motor, isolation Megger the drive, motor, isolation transformer/line reactor, and the associated cabling
- Check clamp head indicator washers for proper clamp pressure, and adjust as necessary
- Check resistors and capacitors for all snubber resistors, sharing resistors and snubber capacitors
Control Power Checks (No Medium Voltage)
- Apply 3 Phase Control power to the PF7000 drive, and test power to all of the vacuum contactors (input, output, and bypass) in the system, verifying all contactors can close and seal
- Verify all single-phase cooling fans for operation
- Verify the proper voltage levels at the CPT (if installed), AC/DC Power Supplies, DC/DC converter, isolated gate power supply boards
- Verify the proper gate pulse patterns using Gate Test Operating Mode
- If there have been any changes to the system during the outage, place the drive in System Test Operating Mode and verify all functional changes
Final Power Checks before Restarting
- Put all equipment in the normal operating mode, and apply medium voltage
- If there were any changes to the motor, input transformer, or associated cabling, retune the drive to the new configuration using auto tuning
- Save all parameter changes (if any) to NVRAM
- Run the application up to full speed/full load
- Capture the drive variables while running, in the highest access level if possible
- Back-up Software to CD & Document Revision Levels of All Firmware
- Consultation and Remediation
Review Maintenance and Operator Logs
- Informal Instruct on drive operation and maintenance
- Review installed equipment revisions and compare against any known PSAs
- Make recommendations on needed critical spares stocking
- Perform maintenance & record
Consultation and Remediation
- Review maintenance and operator logs
- Informal instruct on drive operation and maintenance
- Review installed equipment revisions and compare against any known PSAs
- Make recommendations on needed critical spares stocking
- Perform maintenance & record