Section III. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)

TM 11-5820-882-23/TM 06827A-23/2

Table 2-2. Frequency Chart--Continued

(Switch Code)

Section III. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)

WARNINGS AND CAUTIONS.

2-8. General

WARNING

To insure that the radio set is always ready for opera-

tion, it must be inspected systematically so that defects

Adequate ventilation should be provided while

may be discovered and corrected before they result in

using TRICHLOROTRIFLUOROETHANE.

serious damage or failure. Organizational preventive

Prolonged breathing of vapor should be avoid-

maintenance procedures are designed to help maintain

ed. The solvent should not be used near heat or

equipment in serviceable condition. They include what

open flames; the products of decomposition

items should be checked and how to check them. These

are toxic and irritating. Since TRICHLORO-

checks and services are to be made at specific (W) week-

TRIFLUOROETHANE dissolves natural oils,

ly, (M) monthly, (Q) quarterly, (S) semiannually, and

prolonged contact with skin should be avoid-

(A) annual intervals.

ed. When necessary, use gloves which the sol-

2-9. PMCS Table

vent cannot penetrate. If the solvent is taken

internally, consult a physician immediately.

Table 2-3 describes the organizational preventive

maintenance checks and services for the radio set.

Compressed air is dangerous and can cause

Routine checks like CLEANING, DUSTING, WASH-

serious bodily harm if protective means or

ING, CHECKING FOR FRAYED CABLES, STOW-

methods are not observed to prevent a chip or

ING ITEMS NOT IN USE, COVERING UNUSED

particle (of whatever size) from being blown into

R E C E P T A C L E S AND CHECKING FOR LOOSE

the eyes or unbroken skin of the operator or

NUTS AND BOLTS are not listed as PMCS checks.

other personnel. Compressed air shall not be

They are things that you should do anytime you see they

used for cleaning purposes except where reduc-

must be done. If you find a routine check like one of

ed to less than 30 p.s.i.g. and then only with

those listed, in your PMCS, it was listed because other

effective chip guarding and personel protective

operators reported problems with this item.

equipment. Do no use compressed air to dry

WHEN YOU ARE DOING ANY PMCS OR

parts when trichlorotrifluoroethan has been

ROUTINE CHECKS, KEEP IN MIND THE

used.

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