SECTION II. OPERATOR PREVENTIVE MAINTENANCE
CHECKS AND SERVICES (PMCS)
Preventive Maintenance Checks and Services (PMCS) means systematic caring, inspecting, and servicing of equipment
to keep it in good condition and to prevent breakdowns.
a. Be sure to perform your PMCS each time you use the heater. Always do your PMCS in the same order, so it gets
to be a habit. Once you've had some practice, you'll quickly spot anything wrong.
b. Do your BEFORE (B) PMCS just before you use the heater. Pay attention to WARNINGs, CAUTIONs, and
c. Do your DURING (D) PMCS while you operate the heater. Monitor the heater an(d its related components while it
is being operated. Pay attention to WARNINGs, CAUTIONs, and NOTEs.
d. Do your AFTER (A) PMCS right after operating the heater. Pay attention to WARNINGs, CAUTIONs, and NOTEs.
e. Do your WEEKLY (W) PMCS once a week.
Do your MONTHLY (M) PMCS once a month.
g. Use DA Form 2404 (Equipment Inspection and Maintenance Worksheet) to record any faults that you discover
before, during, or after operation, unless you can fix them. You DO NOT need to record faults that you fix.
h. Be prepared to assist unit maintenance when necessary.
Perform any other services when required by unit
2-4. PMCS PROCEDURES.
a. Your Preventive Maintenance Checks and Services, Table 2-3, lists inspections and care required to keep the
heater in good operating condition.
b. The Interval column of Table 2-3 tells you when to do a certain check or service.
c. The Procedure column of Table 2-3 tells you how to do the required checks and services. Carefully follow these
instructions. It you do not have tools, or if the procedure tells you to, notify your supervisor.
The terms "ready/available" and "mission capable" refer to same status: Equipment is
on hand and ready to perform its combat missions. (See DA Pam 738-750.)
d. The Not Fully Mission Capable If: column in Table 2-3 tells you when your heater is nonmission capable and why it
cannot be used.
e. If the heater does not perform as required, refer to Chapter 3, Section II, Troubleshooting.
f: If anything looks wrong and you can't fix it, write it on your DA Form 2404. IMMEDIATELY, report it to your
g. When you do your PMCS, you may need a rag or two. Following are checks that are common to the heater:
(1) Keep it Clean. Dirt, grease, oil, and debris only get in the way and may cover up a serious problem. Clean as
you work and as needed. Use dry cleaning solvent (Item 6, Appendix E) on all metal surfaces. Use soap (Item 11,
Appendix E) and water when you clean rubber
or plastic material.