TM 5-4310-452-14
2-6. GENERAL PMCS PROCEDURES (Con't).
(4)
An item is ADEQUATELY Lubricated if it has been lubricated in accordance with LO 5-4310-452-12
(5)
An item is WORN if there is too much play between joining parts, if an item does not meet the wear
specifications provided, or when WARNING, CAUTION, and data stencil markings, plates, or decals are not legible.
(6)
For LEAKAGE definitions, see paragraph 2-9.
b.
Perform inspections of welds, electrical conduits, tubing, and hoses as described below:
(1)
Check for loose or chipped paint, rust, or gaps where parts are welded together. If a bad weld is found,
notify your supervisor.
(2)
Look for cracked, frayed, loose, or broken electrical conduits, tubing, and hoses. Repair or report
unserviceable items.
(3)
Check for wear, damage, and leaks, and ensure that couplings and fittings are tight. Wet spots indicate
leaks, but a stain around a coupling or fitting can also mean a leak (see paragraph 2-9). If wear, damage, or leaks are
found, notify Your supervisor.
c.
When the instruction "clean" appears in a procedure, use the guidelines found in paragraph 2-8. Even if a
procedure does not specify cleaning, be aware of any buildup of dirt, grease, oil, and debris. Clean any such buildup
using cleaning agents authorized by Appendix E.
d.
If your compressor unit is new, or if the engine has recently been overhauled, stop the unit after 20 minutes of
operation and have organizational maintenance adjust the V-belts to the proper tension.
2-7. SPECIFIC PMCS PROCEDURES.
a.
Operator PMCS are provided in Table 2-1. Always perform PMCS in the order listed. Once it becomes a habit,
you'll spot anything wrong in a hurry. If anything wrong is discovered through PMCS, perform the appropriate
troubleshooting task in Chapter 3, Section II. Itf any component or system is not serviceable, or if a given service does
not correct the problem, notify your supervisor.
b.
The PMCS procedures in Table 2-1 are performed at four intervals: Before, During, After, and Weekly. Before
performing PMCS, read all checks required for the applicable interval. Have several clean rags (Item 11, Appendix E)
handy. Perform ALL the inspections at the applicable interval.
c.
The columns in the PMCS table are defined below:
(1)
Item No. Provides a logical sequence for PMCS to be performed and is used as a source number when
recording PMCS results on DA Form 2404.
(2)
Interval. Specifies when PMCS is to be performed.
(3)
Item To Be Inspected/Procedure. Lists system and common names of items that are to be inspected.
Included in this column are specific servicing, inspection, replacement, or adjustment procedures to be followed.
(4)
Equipment Is Not Ready/Available If. Explains when the compressor is not capable of safe operation.
2-8. CLEANING AGENTS.
a.
Keeping the compressor unit clean is an important part of PMCS. Equipment that is covered with surface dirt,
grease, and oil cannot be properly inspected.
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