User manual

49
Emerson Energy Systems
MFA150 Power System
NT6C28C User Manual
Maintenance
Routine maintenance
The following is a list of general preventive maintenance procedures
which should be performed periodically as required by the environmental
conditions and the local maintenance policy to ensure trouble-free
operation of NT6C28C(x) MFA150 power system:
clean all ventilation openings
clean, or replace the filters ( if provided )
tighten all the electrical connections
check for hot fuses or breakers ( loose, undersized, or overloaded )
verify the alarm thresholds
verify the meter calibration
verify the rectifier settings
The detailed recommended maintenance and adjustment procedures for the
rectifiers and other components of the NT6C28C(x) MFA150 are covered
in their respective user manual ( refer to list in Appendix D ).
The following tools and test equipment are required to adjust equipment in
the power system. Also, have available User Manual Voltage_level
entitled Voltage Level Limits for Power Plants, Rectifiers and
Controllers :
potentiometer screwdriver, Bourns No. 60 or equivalent
digital voltmeter, Fluke 8050A or equivalent
dummy load, 100 A (or use the office load if available)