TM 55-1560-307-13&P
CHAPTER 1
INTRODUCTION
Section I. GENERAL INFORMATION
1-1. SCOPE. This TM is to be used by operator and
unit maintenance personnel in maintaining the extended
range fuel system (ERFS), P/N 85SDSCC-D-0007-2,
used on CH-47C/D aircraft. This system is used to
supplement the aircraft standard fuel system for longer
sustained flights and for refueling other aircraft.
1-2. PURPOSE. This ERFS manual provides
instructions for installation, operation, maintenance,
troubleshooting, and storage. It also includes a repair
parts and special tools list.
1-3.
FORMS,
RECORDS,
AND
REPORTS.
Department of the Army forms and procedures used for
equipment maintenance will be those prescribed by DA
PAM 738-751, The Functional User's Manual for the
Army
Maintenance
Management
System
Aviation
(TAMMS-A). In accordance with provisions of DA PAM
738-751, an entry should be made on DA Form 2408-13
when the ERFS is installed or removed. This entry will
make personnel aware of prescribed operational limits
and aircraft center of gravity *(CG) for weight and
balance purposes.
1-4. REPORTING EQUIPMENT IMPROVEMENT AND
RECOMMENDATIONS (EIRs). EIRs will be prepared
using SF Form 368, Quality Deficiency Report.
Instructions for preparing EIRs are provided in DA PAM
738-751, Functional User's Manual for the Army
Maintenance System Aviation (TAMMS-A). EIRs should
be mailed to Commander, U.S. Army Aviation Systems
Command, ATTN: AMSAV-QF 4300 Goodfellow Blvd.,
St. Louis MO 63120-1978. A reply will be furnished
directly to you.
1-5. DESTRUCTION OF ARMY MATERIEL TO
PREVENT ENEMY USE. For destruction of Army
material to prevent enemy use, refer to TM 750-244-1-5,
Procedures for the Destruction of Aircraft Associated
Equipment to Prevent Enemy Use.
1-6. QUALITY ASSURANCE/QUALITY CONTROL
(QA/QC). Qualified personnel shall inspect completed
work for full compliance with technical requirements of
instructions. Inspection shall be in accordance with an
approved
prescribed
inspection
system
to
be
determined at work site.
Section II. EQUIPMENT DESCRIPTION AND DATA
1-7. PHYSICAL DESCRIPTION. The ERFS provides
aircraft mission flexibility by extending aircraft range
and by providing forward area refueling source. The
ERFS is mounted on the left-hand side of the aircraft
between stations 190 and 450, depending on aircraft CG
requirements. The ERFS is a modular, interconnectable
system composed of up to four 600 gallon NON-
CRASHWORTHY metal tanks, four electrically operated
fuel pumps, a vent system, associated wiring, plumbing,
and mounting hardware, Figure 1-1. The tanks will be
filled to 580 gallons when in use. The tanks are secured
using 5K and 10K pound cargo strap assemblies. The
fuel management control panel (FMCP) is housed in an
aluminum constructed box, and is mounted on the most
forward tank.
1-1