TM 10-3950-672-10
b. "During" or (D) PMCS shall be performed while operating the crane both while sitting in the cab manipulating the
controls and when outside the cab doing other tasks associated with operations.
c. "After" or (A) PMCS shall be performed after crane operation and when it is being shut down for a period of time.
d. "Weekly" or (W) PMCS need not be performed every day or every time the crane is operated, but must be done
relatively frequently, and not delayed or forgotten. A weekly routine must be established to check and service
these items.
e. "Monthly" or (M) PMCS provides checks and services that need not be done weekly but cannot be ignored more
than a month. A monthly service routine must be established.
f. There are checks and services that must be done on the basis of the number of hours of engine operation, or
based on special environmental conditions. These more frequent checks are marked with an asterisk. An
appropriate footnote explains the special service interval.
5-2.3
Additional Special Checks and Services.
Perform weekly (W) as well as before (B) operations PMCS if:
a. You are the assigned operator and have not operated the crane since the last weekly.
b. You are operating the crane for the first time.
5-2.4
Leakage Definitions.
Leakage definitions for operator/crew PMCS shall be classified as follows:
Class I
Seepage of fluid (as indicated by wetness or discoloration) not great enough to form drops.
Class II
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 checked/inspected.
CAUTION
Equipment operation is allowable with minor leaks (Class I or II). Of course, you must
consider the fluid capacity in the item/system being checked/inspected. When in doubt,
notify your supervisor.
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