TM 5-2590-512-13&P
SECTION II. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS).
2-3. General PMCS Information.
Before you operate: Always keep in mind Warnings and Cautions. Read safety decals on Auger Drive Unit and
boom. Perform your (B) Before PMCS prior to equipment leaving its containment area or performing its intended
mission.
While you Operate: Keep in mind Warnings and Cautions. Remember decal safety messages on Auger Drive Unit
and boom (see para. 1 -8). Perform your (D) During PMCS when equipment is used for its intended mission.
After you Operate: Be sure to perform your (A) After PMCS when equipment has been taken out of mission mode or
returned to containment area.
If your equipment fails to operate: Note unusual operation. Report any deficiencies using proper forms. See DA
Pam 738-750.
2-4. PMCS Procedures.
Your PMCS table lists inspections and care required to keep your equipment in good operating condition.
If your equipment does not perform as required, refer to troubleshooting procedures in Chapter 3. Report any
malfunctions or failures on DA Form 2404 or refer to DA 738-750.
2-5. Explanation Of Columns.
Item Number. This column lists a logical order for performing PMCS. Use number in this column as '"TM Item No."
on DA Form 2404, Equipment Inspection and Maintenance Worksheet, when recording results of PMCS.
Interval: This column tells you how often a certain check or service is to be done.
Item To Be inspected: This column lists portion of equipment to be inspected and specific item being inspected.
Procedures. This column tells you how to do required checks and services. Carefully follow these instructions. If
you do not have tools, or if procedure tells you to, have Unit maintenance do task.
NOTE
Both terms "ready/available" and "mission capable" mean that equipment is on hand and able to
perform combat mission (See AR 700-138).
Equipment is Not Ready/Available if: This column tells you when and why your equipment cannot be used.
2-6. Leakage Definitions.
It is necessary for you to know how fluid leakage affects the status of your equipment. The following are definitions
of the types/classes of leakage you need to know to determine the status of your Earth Auger Assembly.
LEAKAGE DEFINITIONS FOR OPERATOR PMCS
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 great enough to cause drops to drip from the
item being inspected.
2-3
