S e c t i o n V . P R E V E N T I V E M A I N T E N A N C E C H E C K S A N D
S E R V I C E S ( P M C S )
This section details preventive maintenance checks and services (PMCS) required for the unit maintenance
level. For crew level PMCS, see your -10.
MAINTENANCE FORMS AND RECORDS
The forms and records you fill out have many uses. They are a permanent record of the services, repairs, and
changes made to your carrier. They also tell you whether faults have been repaired. For information on forms
and records, see DA Pamphlet 733-750.
Obey all WARNINGS and CAUTIONS when you do PMCS.
Name, caution, and instruction plates should be easy to read: If they are dirty or corroded, clean them, and
coat them with lacquer. See TM 43-0139 for instructions.
Perform all lubrication in
If something doesnt work, troubleshoot it using the troubleshooting procedures beginning on page 3-1 of
Do the semiannual PMCS every 1500 miles (2400 km) of operation or no later than 6 months after the last
Always do your PMCS in the same order so it gets to be a habit. With practice, youll spot anything that is
Keep your earner clean. Dirt, grease, oil, and debris only get in the way, and may cover up a serious
problem. Clean your carrier as you work and as needed.
Dry cleaning solvent P-D-680 is toxic and flammable. Always use in an open area
with good air flow, away from sparks, heat, or flames. Wear goggles and gloves. Do
not breathe vapors. Avoid contact with skin, eyes, and clothes. If you get dizzy
while using solvent, breathe fresh air and get medical help. If solvent gets on
hands, wash them. If solvent gets in eyes, flush eyes with fresh water and get
medical help immediately. Keep fire extinguisher nearby.
h. Use dry cleaning solvent (Item 13, App C) on metal surfaces. Use general purpose detergent
(Item 17, App C) and water when you clean rubber or plastic parts.
i. You need to know how fluid leaks affect your carrier. Definitions of the types and classes of leaks are given
below. You need to know them to determine the condition of your earner. Learn them. REMEMBER:
WHEN IN DOUBT, NOTIFY YOUR SUPERVISOR!