Section III. UNIT 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. As the provider of unit level checks and services, your mission is to:
Perform your PMCS at the correct intervals as indicated in Table 4-1. Always do your PMCS in the same order,
so it gets to be a habit. Once youve had some practice, youll quickly spot anything wrong.
Do your QUARTERLY PMCS every 3 months. Pay attention to WARNINGs, CAUTIONs, and NOTEs
Do your SEMIANNUAL PMCS every 6 months. Pay attention to WARNINGs, CAUTIONs, and NOTEs
Use DA Form 2404 (Equipment Inspection and Maintenance Worksheet) to record any faults that you discover
during the quarterly and semiannual PMCS, unless you can fix them. You DO NOT need to record faults that
Table 4-1, Unit Preventive Maintenance Checks and Services, lists inspections and care required to keep the
trailer in good operating condition. It is set up so you can make your checks as you walk around the trailer.
The ITEM NO. column provides a logical sequence for PMCS to be performed and is used as a source of item
number for the TM ITEM NO. column when recording PMCS results on DA Form 2404.
The INTERVAL column tells you when to do a certain check or service.
The LOCATION column lists the item to check or service.
The PROCEDURE column tells you how to do the required check or service. Carefully follow these instructions
When instructed to do so, notify Direct Support (DS) maintenance.
The terms ready/available and mission capable refer to the same status: Equipment is on hand and
ready to perform its combat missions. (See DA Pam 738-750.)
The NOT FULLY MISSION CAPABLE IF column tells you when your trailer is nonmission capable and why the
trailer cannot be used.
When you do your PMCS, you will always need a rag or two. Following are checks that are common to the