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ROLL-ON/ROLL-OFF DISCHARGE FACILITY
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
Preventive Maintenance Checks and Services (PMCS) are performed to keep the RRDF equipment in operating
condition. The checks are used to find, correct or report problems. Crew members are to do the PMCS as shown in
the PMCS table. Preventative maintenance checks and services are performed every day the equipment is operated,
using the PMCS table.
Before you begin operating the equipment, do Before PMCS.
During operation, do During PMCS.
After operation, do After PMCS.
Do Monthly PMCS once a month. If the equipment has not been operated in a month, also do After PMCS at the
If you are operating the equipment for the first time, do the Monthly PMCS the first time you do your
If you find something wrong when performing PMCS, fix it if you can, using troubleshooting procedures and/or
The right-hand column of the PMCS table list conditions that make the vessel not fully mission capable. Write up
items not fixed on DA Form 2404 for unit maintenance. For further information on how to use this form, see
DA PAM 738-750.
Equipment operation is allowed with minor leakages (Class I or II) except for fuel
leaks. Of course, consideration must be given to the fluid capacity of the item or
system being checked. When in doubt, ask your supervisor. Failure to maintain
proper fluid levels could result in damage to equipment.
When operating with Class I or II leaks, continue to check fluid levels as required in your PMCS.
Class III leaks should be reported immediately to your supervisor.
It is necessary to know how fluid leakage affects the status of the equipment. The following are definitions of the
classes of leakage an operator or crew member needs to know to be able to determine the condition of the leak.
Learn and then be familiar with them, and REMEMBER: WHEN IN DOUBT, ASK YOUR SUPERVISOR.
Leakage definitions for Crew/Operator PMCS.
CLASS I - Seepage of fluid (as indicated by wetness or discoloration) not great enough to form drops.