Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
Operator Preventive Mainte-
nance Checks and Services ...................2-5
(1) Before You Operate. Always keep in mind the CAUTIONS and WARNINGS. Perform your (B) PMCS.
(2) While You Operate. Always keep in mind the CAUTIONS and WARNINGS. Perform your (D) PMCS.
(3) After You Operate. Be sure to perform your (A) PMCS.
(4) If Your Equipment Fails to Operate. Troubleshoot with proper equipment. Report any deficiencies using the
proper forms. See DA PAM 738-750.
b. PMCS Procedures.
(1) Purpose of PMCS. Your Preventive Maintenance Checks and Services list the inspections and care of your
equipment required to keep it in good operating condition.
(2) Item Number Column. Checks and services are numbered in chronological order regardless of interval. This
column is used as a source of item numbers for the "Item Number" column on DA Form 2404, Equipment
Inspection and Maintenance Worksheet, in recording results of PMCS.
(3) Interval Column. The interval columns tell you when to do a certain check or service: before, during, or after
operation. Sometimes a dot may be placed in more than one interval column which would mean you should do
the check or service at each of those intervals.
(4) Item to Be Inspected Column. This column lists the common name of the item to be inspected such as "Air
(5) Procedures Column. This column tells you how to do the required checks and services. Carefully follow these
(6) Equipment is Not Ready/Available if Column. This column tells you when and why your equipment cannot be