TM 10-4320-315-10
Section II. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
2-3 General. For the pumping assembly to be ready for use at all times, it must be inspected systematically so that
defects may be discovered and corrected before they result in serious damage or failure.
a.
Before You Operate. Always keep in mind the CAUTIONS and WARNINGS. Perform your before (B) PMCS.
b.
While You Operate. Always keep in mind the CAUTIONS and WARNINGS. Perform your during (D) PMCS.
c.
After You Operate. Be sure to perform your after (A) PMCS.
d.
Weekly. Always keep in mind the CAUTIONS and WARNINGS. Perform your weekly (W) PMCS.
e.
Monthly. Always keep in mind the CAUTIONS and WARNINGS. Perform your monthly (M) PMCS.
f.
If Your Equipment Fails to Operate Troubleshoot with proper equipment. Report any deficiencies using the proper
forms See DA Pam 738-750.
g.
Special Instructions. The following actions apply while performing your PMCS.
(1)
Stop operation immediately if deficiency is noted during operation which would damage the equipment.
(2)
Defects discovered during operation of the equipment should be noted for future correction to be made as
soon as operation has ceased.
2-4 PMCS Procedures. The following paragraphs describe your PMCS table:
a.
Purpose of PMCS Table. Your Preventive Maintenance Checks and Services table (Table 2-5) lists the
inspections and care your equipment requires to keep it in good operating condition.
b.
Item Number Column. Item numbers are assigned in chronological ascending sequence regardless of interval
designation. These numbers are used for your TM number column on DA Form 2404, Equipment Inspection and
Maintenance Worksheet in recording results of PMCS.
c.
Service Interval Column. The Interval column of your PMCS table tells you when to do certain checks or services.
d.
Item to be Inspected Column. This column lists functional groups and their respective assemblies and
subassemblies. The appropriate check or service procedure follows the specific item to be inspected.
e.
Procedures Column. This column of your PMCS table tells you how to do the required checks and services.
Carefully follow these instructions. If you do not have the tools, or if the procedure tells you to, have unit
maintenance do the work.
f.
After Prolonged Shutdowns. Perform weekly as well as before operations if you are the assigned operator and
have not operated the item since the last weekly or if you are operating the item for the first time.
g.
Reporting and Correcting Deficiencies. If your equipment does not perform as required, refer to Chapter 3 under
Troubleshooting for possible problems. Report any malfunctions or failures on the proper DA Form 2404, or refer
to DA Pam 738-750.
h.
Leakage. Leakage definitions for operator/crew PMCS shall be classified as follows:
Class I
Seepage of fluid, as indicated by wetness or discoloration not great enough to form drops.
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