128 Rockwell Automation Publication 750-IN118A-EN-P - May 2021
Chapter 5 Service and Maintenance
Recommended Maintenance Tasks and Schedule
Code Task Description
IInspect
Inspect the component for signs of excessive accumulation of dust, dirt, or external damage.
For example, inspect the filters/fan inlet screens for debris that can block the airflow path.
CClean
Clean the components that can be reused, specifically the door-mounted air filters and fan
inlet screens.
M Maintain This type of maintenance task can include tightening loose terminal and cable connectors.
RReplace
This component has reached its mean operational life. Replace the component to decrease the
chance of failure. It is likely that components can exceed their designed life, but component
life is dependent on many factors such as usage and heat.
RFB/R
Refurbish
/Replace
The parts can be refurbished, at lower cost, or replaced with new ones.
Rv Review
A discussion with Rockwell Automation personnel is recommended to help determine whether
any enhancements that have been made to the hardware could benefit the application.
Components and Activities
Years of Operation
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Air-cooling
System
Door-mounted
Ventilation Air
Filters
— C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R
Roof-mounted
Ventilation Air
Filters
— C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R C/R
Door-mounted
Fans - Input
Bay/Output Bay
—IIIIIIIIIIIIIIIIIIII
Sine-wave Filter
Reactor Tray
Fans - Frame 9-
Output Bay
—IIIIIIIIIIIIIIIIIIII
Cabinet
Sine-wave Filter
Reactor
—————M————M————M————M
Sine-wave Filter
Cap. Bank
Capacitors
—MMMMMMMMMRMMMMMMMMMR
Terminal
Wiring
Cables and
Connectors
— I/M I/M I/M I/M I/M I/M I/M I/M I/M I/M I/M I/M I/M I/M I/M I/M I/M I/M I/M I/M
Enhancements
Firmware — — — Rv— — Rv— — Rv— — Rv— — Rv— — Rv— —
Variables ———Rv——Rv——Rv——Rv——Rv——Rv——
Hardware — — — Rv— — Rv— — Rv— — Rv— — Rv— — Rv— —
Operational
Conditions
Parameters —IIRvIIRvIIRvIIRvIIRvIIRvII
Application
Concerns
(1)
— I I RvI I RvI I RvI I RvI I RvI I RvI I
Spare Parts
(2)
Spare Parts and
Inventory/
Needs
— I I RvI I RvI I RvI I RvI I RvI I RvI I
Internal
Components
Electrical
wiring
(3)
—IIIIIIIIIIIIIIIIIIII
Covers /
Doors/ Gland
Plates
Seals —IIIIRIIIIRIIIIRIIIIR
Ground Ground —IIIIIIIIIIIIIIIIIIII
(1) See Wiring and Grounding Guidelines for Pulse Width Modulated (PWM) AC Drives, publication DRIVES-IN001.
(2) See Replacement Parts on page 111.
(3) Inspect wire connections.
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