TM 9-4520-251-14
Chapter 1 INTRODUCTION
Section I. GENERAL INFORMATION
1-1 S C O P E.
Type of Manual: Operator’s, Unit, Direct Support, and General Support Maintenance Manual.
Model Number and Equipment Name: Hunter Model PH-400-G, 400,000 Btu/Hr, Trailer Mounted, Portable
Duct Type Heater.
Purpose of Equipment: Heats enclosed spaces. The unit covered by this manual is designed for heating air
to a desired range and circulating the air to provide heating of equipment or personnel within an area.
Department of the Army forms and procedures used for equipment maintenance will be those prescribed by
DA PAM 738-750, The Army Maintenance Management System (TAMMS).
This manual has a companion document with a TM number followed by HR (which stands for Hand Receipt).
The TM 9-4520-251-14HR consists of preprinted hand receipts (DA Form 2062) that list end item related
equipment (i.e., COEI, Bll, and AAL) you must account for. As an aid to property accountability, additional -HR
manuals may be requisitioned from the following source in accordance with procedures in Chapter 3,
AR 310-2:
The US Army Adjutant General Publications Center
2800 Eastern Blvd.
Baltimore, MD 21220-2896
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If your heater needs improvement, let us know. Send us an EIR. You, the user, are the only one who can tell
us what you don’t like about your equipment. Let us know why you don’t like the design or performance. Put
it on an SF 368 (Quality Deficiency Report). Mail it to us at Commander, Headquarters, U.S. Army Aviation
and Troop Command, Attention: AMSAT-I-MDO, 4300 Goodfellow Boulevard, St. Louis, Missouri
63120-1798. We will send you a reply.
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Command decisions, according to tactical situation, will determine when destruction of the heater unit will be
accomplished. A destruction plan will be prepared by the using organization, unless one has been prepared
by higher authority. For general destruction procedures for this equipment, refer to TM 750-244-3, Proce-
dures for Destruction of Equipment to Prevent Enemy Use.
Contact unit maintenance for heater unit preparation for storage or shipment.
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