TM 1-4220-250-12&P
CHAPTER 4
AVIATION UNIT MAINTENANCE (AVUM)
SECTION I.
REPAIR PARTS; TOOLS; SPECIAL TOOLS; TEST,
MEASUREMENT, AND DIAGNOSTIC EQUIPMENT (TMDE); AND
SUPPORT EQUIPMENT
4.1 COMMON TOOLS AND EQUIPMENT.
For authorized common tools and equipment, refer to the Modified Table of Organization and Equipment (MTOE)
applicable to your unit.
4.2 SPECIAL TOOLS, TMDE AND SUPPORT EQUIPMENT.
Refer to the Repair Parts and Special Tools List, (RPSTL) Appendix C, and the Maintenance Allocation Chart (MAC),
Appendix B, for reference information concerning the special tools, TMDE, and support equipment required.
4.3 REPAIR PARTS.
Repair parts are listed and illustrated in the RPSTL. Appendix C, of this manual.
SECTION II. SERVICE UPON RECEIPT
4.4 INSPECTION OF UNPACKED EQUIPMENT.
4.4.1 Equipment Condition. Inspect the equipment for damage incurred during shipment in accordance with Table 4-1.
If the equipment has been damaged, report the damage on SF 364 (Report of Discrepancy) in accordance with the instruc-
tions in DA PAM 738-750 (The Army Maintenance Management System).
4.4.2 Shipping Errors. Check the equipment against the packing slip to see if the shipment is complete. Report all
discrepancies on SF 364.
4.4.3 Product Quality. Deficiencies related to design, manufacturing processes, or maintenance and repair procedures,
shall be reported on SF 368 (Product Quality Deficiency Report) in accordance with instructions in DA PAM 738-751.
4.4.4 Equipment Test. ALSE shop personnel will inspect, service, and operationally test each SRU-37/P prior to issue to
crewmembers. Refer to Section V, Maintenance Procedures, of this manual.
4.4.5 Modification. Inspect equipment to see if it has been modified. No modifications are authorized at this time.
SECTION III.
AVUM PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
4.5 GENERAL.
To ensure proper operation of the LRU-18/U raft, certain required PMCS are presented in Table 4-1. The PMCS are based upon
the principles of Reliability Centered Maintenance (RCM) logic. Checks and services are arranged in a logical sequence requiring
minimal time and motion to perform.
Change 1 4-1
