TM 5-4220-233-14
Section III. UNIT LEVEL PREVENTIVE MAINTENANCE CHECKS AND SERVICES
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General................................................................................................
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4-6
Service Intervals ................................................................................. .
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Reporting Repairs ................................................................................
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4-8
General PMCS Procedures..................................................................
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Specific PMCS Procedures..................................................................
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4-5. GENERAL.
To ensure that the Mobile Compressed Gas Servicing Unit is ready for operation at all times, it must be
inspected on a regular basis so that defects may be found before they result in serious damage, equipment
failure, or injury to personnel. This section contains systematic instructions on inspections, adjustments, and
corrections to be performed by unit maintenance.
4-6. SERVICE INTERVALS.
a.
Perform PMCS, found in Table 4-1, at the following intervals:
(1)
Perform Quarterly (Q) PMCS once every three months.
(2)
Perform Semiannual (S) PMCS once every six months.
(3)
Perform Annual (A) PMCS once each year.
4-7. REPORTING REPAIRS.
Report all defects and corrective actions on DA Form 2404. If a serious problem is found, report it to your
supervisor immediately.
4-8. GENERAL PMCS PROCEDURES.
WARNING
Dry cleaning solvent P-D-680 is toxic and flammable. Always wear protective
goggles and gloves, and use only in a well-ventilated area. Avoid contact with
skin, eyes, and clothes, and DO NOT breathe vapors. DO NOT use near open
flame or excessive heat. The solvent's flash point is 100°F-130°F(38° C-59° C). If
you become dizzy while using cleaning solvent Immediately get fresh air and
medical help. If solvent contacts eyes, immediately wash your eyes and get
medical aid.
Do not use dry cleaning solvent P-D-680 on any Compressed Gas System
components. Only use the cleaning agents specified in Chapter 4, Section VII for
cleaning Compressed Gas System components. Use of unauthorized cleaning
agents could result in personnel injury or death.
a.
Keep equipment clean. Dirt, oil, and debris may cover up a serious problem. Clean as you work and as
needed. Use dry cleaning solvent (Item 15, Appendix D) on all metal surfaces. Use soap and water on
rubber, plastic, and painted surfaces.
b.
While performing PMCS, inspect the following components'
(1) Bolts, Nuts, and Screws. Ensure that they are not loose, missing, bent, or broken. Tighten any
that are loose.
(2) Welds. Inspect for gaps where parts are welded together. Report bad welds to your supervisor.
(3) Electric Wires or Connectors. Inspect for cracked or broken insulation, bare wires, and loose or
broken connectors. Make repairs or replace as required.
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