LEAKAGE DEFINITIONS FOR OPERATOR/CREW PMCS

TM 5-2420-224-10

LEAKAGE DEFINITIONS FOR OPERATOR/CREW PMCS

CAUTION

Equipment operation is allowable with minor leaks (Class I or II). Of course,

consideration must be given to fluid capacity in item/system being checked/

inspected. When operating with Class I or II leaks, continue to check fluid

levels as required on your PMCS. Report Class III leaks to your supervisor

or unit maintenance. Failure to do so could result in equipment damage.

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

the item being checked/inspected.

Class III Leakage of fluid great enough to form drops that fall from the item being

checked/inspected.

m. Perform daily PMCS if:

(1)

You are the assigned operator.

(2)

You are the assistant operator.

The following PMCS schedule should be followed in the order listed within the designated intervals to

maintain the vehicle in optimum operating condition. Refer to page 2-70.1 for lubrication procedures.

However, perform your PMCS more often to compensate for continuous operation and abnormal

conditions. High or low temperatures, prolonged periods of high rate operation, continued operation in

sand or dust, or exposure to moisture or salt may cause excessive wear or damage if more frequent

PMCS is not conducted.

This routing diagram may help complete the (B and A) part of the PMCS. The diagram follows the

sequence of PMCS to be performed.

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