Section IV. TROUBLESHOOTING
Power Unit Troubleshooting. There are no troubleshooting procedures authorized at operator
level for the power unit end item. Troubleshooting procedures for the individual generator set and
trailer are contained in their respective technical manuals referenced below.
a. Generator Set Troubleshooting. Refer to TM 5-6115-464-12 for troubleshooting procedures
applicable to the generator set.
b. Trailer Troubleshooting. Refer to TM 9-2330-205-14&P for troubleshooting procedures
applicable to the trailer.
Section V. OPERATOR/CREW MAINTENANCE
Fire Extinguisher Maintenance.
C A U T I ON
Do not attempt to verify readiness of fire extinguisher by partially discharging
unit. Any discharge of contents will require refilling.
The PU-405A/M Power Unit is equipped with a 5 lb C02 fire extinguisher. Maintenance is limited to
weighing the fire extinguisher monthly to insure that it is sufficiently charged. Fully charged, the fire
extinguisher weighs 13 Ibs. Send the unit to specialized activity for recharging if it weighs 12.5 lb or less.