TM 9-6115-646-14&P
CHAPTER 1
INTRODUCTION
SECTION I. GENERAL
1-1.
Scope. This manual is for your use in operating and maintaining the Power Unit, PU-495A/G and PU-495B/G.
The PU-495A/G and PU-495B/G are mobile power units used to supply power to any system or equipment requiring up to
100 KW of 50/60 Hz input operating power. In addition to operating instructions and operator, unit, direct support and
general support maintenance procedures, this manual contains a Repair Parts and Special Tools List for the power units.
Throughout this manual, the designation PU-495 is used when referring to both the PU-495A/G and PU-495B/G power
units. The A/G and BIG suffixes are used when the information discussed is applicable to only one model power unit.
1-2.
Maintenance Forms and Records. Maintenance forms and records used by Army personnel are prescribed by
DA Pam 738-750.
1-3.
Reporting of Errors. Reporting of errors and omissions and recommendations for improvement of this
publication by the individual user is encouraged. Reports should be submitted on a DA Form 2028 directly to:
Commander, US Army Aviation and Troop Command, ATTN: AMSAT-I-MT, 4300 Goodfellow BouIevard, St. Louis, MO
63120-1798..
1-4.
Reporting Equipment Improvement Recommendations (EIR). EIR’s will be prepared using SF 368, Product
Quality Deficiency Report. Instructions for preparing EIR’s are provided in DA PAM 738-750, The Army Maintenance
Management System. EIR’s should be mailed directly to: Commander, US Army Aviation and Troop Support Command,
ATTN: AMSAT-I-MDO, 4300 Goodfellow Boulevard, St. Louis, MO 63120-1798.
1-5.
Levels of Maintenance Accomplishment. Army users shall refer to the Maintenance Allocation Chart (MAC) for
tasks and levels of maintenance to be performed.
1-6.
Destruction of Army Materiel. Destruction of Army materiel to prevent enemy use shall be in accordance with
TM 750-244-3.
1-7.
Administrative Storage.
a.
Placement of equipment in administrative storage should be for short periods of time when a shortage of
maintenance effort exits. Items should be in mission readiness within 24 hours or within the time factors as determined by
the directing authority. During the storage period appropriate maintenance records will be kept
b.
Army equipment placed in administrative storage will have preventive maintenance performed in accordance with
the PMCS tables before storage. When equipment is removed from storage, PMCS will be performed to assure
operational readiness.
c.
Storage site selection. Inside storage is preferred for items selected for administrative storage. If inside storage is
not available, trucks, vans, conex containers and other containers may be used.
1-8.
Preparation for Shipment and Storage. Refer to TB 740-97-2.
Change 1 1-1
