LEAKAGE DEFINITIONS FOR UNIT PMCS (CONT).
Equipment operation is allowable with minor leakages (Class I or II). Of course,
consideration must be given to fluid capacity in the item/system being
checked/inspected. When in doubt, notify your supervisor.
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.
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
CLASS III - Leakage of fluid great enough to form drops that fall from item being checked/inspected.
PMCS COLUMN ENTRY EXPLANATION.
Item No. Column. The checks and services are numbered in chronological order showing a logical
sequence around the Heater.
Interval Column. This column indicates when the lubrication, check, and/or service should be performed.
Location, Item to Check/Service Column. The underlined items listed in this column are divided into
groups indicating the portion of the equipment of which they are a part, i.e. brakes, fuel, engine. Under these groupings
a few common words are used to identify the specific item being checked.
Procedures Column. This column contains procedures required to perform the checks and services.
Refer to Table 4-1 for the PMCS for the Heater.
MANDATORY REPLACEMENT PARTS.
Refer to Table 4-1 for a listing of all items that must be replaced during PMCS whether they have failed or not.