TM 1-4220-250-12&P
CHAPTER 2
OPERATING INSTRUCTIONS
SECTION I.
DESCRIPTION AND USE OF OPERATOR’S CONTROLS
AND INDICATORS
There are no specific indicators or controls for the use and wear of the life raft and container assembly.
SECTION II.
OPERATOR PREVENTIVE MAINTENANCE CHECKS
AND SERVICES (PMCS)
2.0 GENERAL.
To ensure proper operation of the LRU-18/U, certain required Preventive Maintenance Checks and Services (PMCS) are
presented in Table 2-1. The PMCS are based upon the principles of Reliability Centered Maintenance (RCM) logic. Checks
and services are arranged in logical sequence requiring minimal time and motion to perform.
a.
Before Operation. Observe the CAUTIONS and WARNINGS. Before (B) PMCS shall be performed Prior to each
flight.
b.
After Operation. Perform after (A) PMCS upon completion of each flight.
C.
If the equipment does not perform as required, notify the Aviation Life Support Equipment (ALSE) shop. Report
any malfunctions or failures on DD Form 1577-2 Unserviceable (Repairable) Tag or refer to DA PAM 738-751.
2.1 PMCS COLUMNAR ENTRIES.
a.
Table 2-1, Operator Preventive Maintenance Checks and Services for SRU-37/P, lists the inspections and services
required to keep the equipment in good operating condition.
b.
The Item No. Column gives the order in which the PMCS will be performed (in numerical order).
c.
The Interval Column describes when to do a certain check or service.
d. The Item To Be Checked or Serviced Column lists the items to be checked.
e.
The Procedure Column explains how to do the required checks and services.
f.
The Not Fully Mission Capable If Column states the criteria by which the equipment cannot be used until corrective
maintenance has been performed.
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