TM 10-4320-318-14
Section IV. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
4-11. General. To ensure that the pump unit is ready for operation at all times, it must be inspected within
designated intervals so that defects may be discovered and corrected before they result in serious damage or
failure. Table 4-1 contains a tabulated listing of Preventive Maintenance Checks and Services to be performed by
unit maintenance personnel. All deficiencies and shortcomings will be recorded as well as the corrective action
taken on DA Form 2404 at the earliest possible opportunity.
4-12. Unit Preventive Maintenance Checks and Services.
a.
The item numbers of Table 3-1 indicate the sequence of the PMCS. Perform at the intervals shown
below:
(1) Do your (M) PREVENTIVE MAINTENANCE once each month.
(2) Do your (S) PREVENTIVE MAINTENANCE once each 6 months.
(3) Do your (H) PREVENTIVE MAINTENANCE at the hour interval listed.
(4) Do your (A) PREVENTIVE MAINTENANCE once each year.
b.
Refer to operator PMCS for leakage definitions.
4-13. PMCS Procedures. The following paragraphs describe your PMCS table.
a.
b.
c.
d.
e.
Item Number Column. This number shall be used as a source of item numbers for the “TM number”
column on DA Form 2404, Equipment Inspection and Maintenance Worksheet, in recording results of
PMCS.
Interval Columns. A dot shall be placed in the appropriate column marked “M” for monthly, “S” for semi-
annual, “A” for annual, and “H” for operating hours.
Item to be Inspected.
Items listed in this column are divided by group indicating the part of the
equipment each belongs to, i.e., “engine”, “frame assy”.
Procedures Column. This column contains a brief description of the check to be performed.
Equipment Is Not Ready/Available If Column. This column is used for identification of conditions that
make the equipment not ready/available for readiness reporting purposes or denies use of the equipment
until corrective maintenance is performed.
Table 4-1. Unit Preventive Maintenance Checks and Services
Item
No.
1
2
Interval
Semi-Annual
Semi-Annual
Location
Item To Check/
Service
Pump
Exhaust Pipes
and Muffler
Procedure
a. Check for leaks.
b. Check for loose or missing
mounting nardware. Tighten or
replace as required.
Inspect for damage and leaks.
Replace if damaged or leaks
found.
Not Fully Mission
Capable If:
Class III leaks.
Hardware missing.
Damaged or leaks in
muffler or pipes.
4-4
