TM 1-4220-256-12&P
CHAPTER 1
INTRODUCTION
SECTION I. GENERAL INFORMATION
1.1 SCOPE.
1.1.1 Type of Manual. Operator’s and Aviation Unit Maintenance (AVUM) Manual including Repair Parts and Special
Tools List (RPSTL).
1.1.2 Model Number and Equipment Name. LRU-18/U Life Raft and Container Assembly, Inflatable, One-Man, Vee
Bottom. with container.
1.1.3 Purpose of Equipment. The SRU-37/P is one-man life raft and container assembly intended for use by aircrew
members and passengers who are forced down over water. It can also be used when aircrew members are forced down over
land, either as a shelter or for fording rivers and streams. See Figure 1-1.
1.1.4
Equipment Maintenance Responsibility. Only Aviation Life Support Equipment (ALSE) personnel shall be
authorized to perform maintenance procedures on the LRU-18/P. ALSE personnel are those individuals who have been
school trained and have been awarded the additional skill identifier (ASI) of H2 for officers or Q2 for enlisted personnel.
1.2 MAINTENANCE FORMS, RECORDS, AND REPORTS.
Department of the Army forms and procedures used for equipment maintenance shall be those prescribed by DA PAM
738-751, The Army Maintenance Management System-Aviation (TAMMS-A).
1.3 DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE.
For information concerning destruction of Army materiel to prevent enemy use, refer to TM 750-244-1-2, Destruction of
Life Support Equipment to Prevent Enemy Use.
1.4 REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS (EIR).
If your LRU-18/U needs improvement, let us know. 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 Standard Form (SF) 368 (Quality
Deficiency Report). Mail it to us at the following address: Commander, U.S. Army Aviation and Troop Command, ATTN:
AMSAT-I-MDO, 4300 Goodfellow Blvd., St. Louis, MO 63120-1798. We will send you a reply.
1.5 PREPARATION FOR STORAGE OR SHIPMENT.
Instructions for storage or shipment are contained in TM 743-200-1, Storage and Materiel Handling, and TM
1-1500-204-23-1, General Aircraft Maintenance Manual.
1.6 CALIBRATION.
Within the scope of this manual there are no life raft and container assembly components, accessories, or instruments that
require calibration. Special tools and test equipment shall be calibrated as specified in TB 43-180, Calibration Requirements
for the Maintenance of Materiel.
Change 1 1-1
