TM 5-3990-264-13&P
FIELD MAINTENANCE
INTRODUCTION - PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
PMCS INTRODUCTION
This section contains the Preventive Maintenance Checks and Services (PMCS) for the Improved Boat Cradle (IBC).
The PMCS tables contain checks and services necessary to ensure IBC is ready for operation. Using PMCS tables,
perform each maintenance procedure at specific interval.
Operator PMCS procedures are in (WP 0014).
Field PMCS procedure is listed in (WP 0015).
MAINTENANCE FORMS AND RECORDS
Every mission begins and ends with paperwork. There is not much of it, but it must be kept up. The filled out forms
and records have several uses; they are a permanent record of services, repairs, and modifications made on the
IBC; they are reports to unit maintenance and to your Commander; and they serve as a checklist to find out what is
wrong with the vehicle after its last use, and whether those faults have been fixed. For more information on forms
and records, refer to DA PAM 750-8 (WP 0015).
WARNINGS AND CAUTIONS
Warnings and Cautions. Always observe warnings and cautions that appear in the PMCS table. These warnings
and cautions appear before the applicable procedure. Failure to observe the warnings and cautions could result in
death or injury to personnel or damage to equipment.
EXPLANATION OF COLUMNS
The PMCS table columns are described as follows:
a. Item No. Item number column of your PMCS table is to be used for reference. When completing
DA Form 2404 or DA Form 5988-E, include item number for check/service indicating a fault. Item
numbers also appear in order that you must do checks and services for intervals listed.
b. Interval. This column of your PMCS table tells you when to do check or service:
c. Item To Be Checked or Serviced. This column names item to be checked or serviced.
d. Procedure. This column tells you how to do required checks and services. Follow these instructions
carefully. If tools are not available or if procedure says to, have Field maintenance do work.
e. Equipment Not Ready/Available If: ("Mission Capable" refers to equipment being on hand and
able to perform its combat mission. Refer to AR 700-138). This column explains when and why your
equipment cannot be used. If PMCS reveals faults listed in this column, do not operate equipment.
Follow standard operating procedures for maintaining equipment or reporting equipment failures.
PMCS INTERVAL
a. Before. Before checks are performed immediately before using the IBC.
b. During. During checks are those checks that are performed during the mission and that identify
faults in IBC performance. Faults that render the equipment not fully mission capable must be
corrected immediately.
c. After. After checks are those checks that are performed immediately at the conclusion of the mission
and that identify faults which will prevent the next mission. These faults must be corrected to ensure
that the equipment is fully mission capable and to maintain the equipment at an original-condition
standard.
d. Seminannual. Perform Semiannual PMCS procedure once every six months.
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