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Change 2
TM 55-2915-335-30&P
CHAPTER 1
INTRODUCTION
SECTION I. GENERAL INFORMATION
1-1. Scope.
a. Type of manual: Aviation Intermediate Maintenance.
b. Model number and equipment name: 1C64-1 Fuel Boost Pump, NSN 2915-01-124-5222 (Includes early and
late pump cartridge configurations.)
c. Purpose of equipment: Provides added fuel pressure for takeoff, landing, and operation at high altitudes
(above 2000 feet above sea level).
1-2. Maintenance Forms, Records, and Reports. Department of the Army forms and procedures used for
equipment maintenance will be those prescribed by DA PAM 738-751, Function Users’ Manual for The Army Mainte-
nance Management System-Aviation (TAMMS-A).
1-3. Destruction of Army Material to Prevent Enemy Use. Procedures for destruction of Army material to
prevent enemy use are listed in TM 750-244-1-5.
1-4. Preparation for Storage or Shipment.
Instructions are provided in Chapter 2.
1-5. Reporting Equipment Improvement Recommendations (EIR). If your fuel boost pump 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. Put it on an SF 368 (Quality Deficiency Report). Mail
it to us at Commander, U.S. Army Aviation and Troop Command, ATTN: AMSAT-I-MDO, 4300 Goodfellow Blvd.,
St. Louis, MO 63120-1798. We’ll send you a reply.
SECTION Il. EQUIPMENT DESCRIPTION AND DATA
1-6. Equipment Characteristics.
a. The fuel boost pump installs externally in the bottom of the fuel tank.
b. The fuel boost pump includes a removable cartridge-type motor and impeller. This enables the pump car-
tridge to be removed and changed without draining the fuel tank.
c. The pump motor runs on standard 28 volts DC.
d. A wet-motor design keeps motor cooled and lubricated by fuel during operation.
e. A thermal shutoff protects motor from severe overheating.
f. The pump circuits include a Radio-Frequency Interference (RFI) filter.
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