Table 2-1. Operator Preventive Maintenance Checks and Services
Equipment operation is allowable with minor leakages (Class I or II). (See note below.) Of course,
you must consider the fluid capacity in the item/system being checked/inspected. When in doubt,
notify your supervisor.
When operating with Class I or Class II leaks, continue to check fluid levels as required in your
Class III leaks should be reported to your supervisor or organizational maintenance.
Leakage for operator/crew PMCS shall be classified as follows:
Seepage of fluid (as indicated by wetness or discoloration) not great enough to form
Leakage of fluid great enough to form drops but not enough to cause drops to drip from
item being checked/inspected.
Class III Leakage of fluid great enough to form drops that fall from the item being
If the equipment must be kept in continuous operation, check and service only those items that
can be checked and serviced without disturbing operation. Make the complete checks and
services when the equipment can be shut down.
Perform weekly as well as before operations PMCS if:
(1) You are the assigned operator and have not operated the item since last weekly PMCS.
(2) You are operating the item for the first time.
The Item No. column is used as source of item numbers for the TM Number column on DA Form
2404, Equipment Inspection and Maintenance Worksheet, in recording results of PMCS.