Section I. General
This manual is for your use in operating and
maintaining the Power Plant, Utility, (Medical Unit, Self-
Contained, Transportable), Gas Turbine Engine Driven,
AiResearch Model PPU85-6, Libby Welding Model LPU-
71, Amertech Model APP-1, and Hollingsworth Model
1-2. Maintenance Forms and Records
a. The maintenance forms and records required to
maintain this equipment includes DA Form 2402
(Exchange Tag), DA Form 2404 (Equipment Inspection
and Maintenance Work Sheet), and DD Form 314
(Preventive Maintenance Schedule and Record).
b. Any additional forms that are required are listed
and explained in TM 38-750 (Army Maintenance
1-3. Destruction of Army Material to Prevent Enemy
a. Improper Operation. Pour water, sand or dirt
into oil tank and run engine until failure occurs. Cut
electrical cables, oil and fuel lines and hoses.
b. Fire. Use fire to destroy equipment when
quantities of fuel and flammable materials are at hand.
Burn assemblies and components on a priority basis if
possible. Proper concentration of equipment to be
burned will produce a hotter more destructive fire. Fires
should be lit after mechanical destruction has been
c. Mechanical Destruction. Use sledge hammers,
crowbars, picks, axes or any other heavy tools to
destroy all vital elements such as fuel and oil tanks,
filters, pumps, starter, generators, battery, upper and
assembly, accessory gearcase, compressor and turbine
assembly, control panels, condensers, evaporators, and
any other major assembly or components.
d. Gunfire. Fire on the equipment with the
heaviest weapons available, aiming at the major
assemblies and controls.
Point blank firing on equipment with
weapons should not be attempted unless
the safety of all personnel in the area is
equipment to prevent enemy use, refer to TM
1-4. Administrative Storage
a. Preparation of the Power Plant for Limited
(1) Inspection. The power plant will be
inspected for any
damage, rusting, accumulation of water and pilferage.
Inspection of the individual components and assemblies
will be outlined on the "Preventive Maintenance Service
Quarterly" in this manual.
(2) Cleaning and Drying. All contamination
shall be removed from the power unit by an approved
method. Approved methods of cleaning and drying are
described in TM 38-230.
(3) Painting. Paint all surfaces where the
paint has been removed or damaged. Refer to TM 43-
0139 for detail cleaning and painting instructions.
(Preservation and Depreservation Guide for Vehicles
(5) Lubrication System. Lubricate the item in
accordance with LO 5-6115-590-12, lubrication order.
Make sure that the crankcase is filled to the proper
level. Operate the engine long enough to bring it up to
lubrication of bearings, gears, etc. Leave the oil in the
(6) Sealing of Openings. Openings that will
permit the direct entry of water into the interior of the
engine, electric motors, compressors, etc., shall be
sealed with tape conforming to Specification PPT-T-60,
(7) Fuel Tank. Drain the fuel tank after
machined ferrous metal surfaces with Type P-6
preservative (CL) conforming to Specification MIL-C-
11796 Class3. If the preservative is not available, use
Automotive and Artillery Grease (GAA) as specified in
the lubrication order.
(9) Batteries and Cables. Disconnect cables
and secure to battery support or carrier with tape
conforming to Specification PPP-T-60, Type IV. (10)
Marking. Marking shall conform to MIL-STD-129.
b. Inspection and Maintenance of Equipment in
Storage. When the item has been placed in limited