Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
Operator's Preventive Maintenance Checks and Services (PMCS) are the required daily and weekly inspection and care of
the equipment necessary to keep it in good operating condition. PMCS shall be done before (B) operation, during (D)
operation and after (A) operation. Other checks and services are done on a weekly (W) or monthly (M) cycle.
Always observe all WARNINGS and CAUTIONS when you perform the PMCS procedures.
Before operation. Do your before (B) PMCS to be sure that the equipment is ready for operation.
During operation. Do your during (D) PMCS to be sure that the equipment is operating properly.
After operation. Do your after (A) PMCS so that the equipment will be ready for future operation.
d. If your equipment fails to operate. Refer to chapter 3 for troubleshooting procedures. Report any deficiency
on DA Form 2404. See TM 38-750.
2-3. PMCS PROCEDURES
PMCS procedures are done at fixed intervals for the following purposes:
Make sure that the equipment is operable
Prevent equipment problems in future operation
Identify and resolve minor problems in the equipment before they become major problems
Scheduled cleaning of the equipment
a. PMCS Table. The PMCS procedures are contained in table 2-1. This information is given by item number,
interval, item inspected, procedure and criteria for rejection. An explanation of the contents of each column is given below.
(1) Item Number Column. The checks and services are numbered in chronological order. The numbers in
this column shall be used in the TM Item No. column of DA Form 2404, Equipment Inspection and Maintenance
Worksheet, in recording results of PMCS.