Lesson 4
PERFORM PREVENTIVE MAINTENANCE CHECKS AND SERVICES ON
AN/GRC-193A
OBJECTIVE
Upon completion of this lesson, you will be able to perform PMCS on the AN/GRC-193A
radio set.
REFERENCES
This lesson is based on TM 11-5820-924-13 and other materials approved for US Army
instruction. However, development and progress render the text continually subject
to change. Therefore, base your examination answers on material presented in this
subcourse rather than on individual or unit experience.
24. INTRODUCTION.
PMCS are done to--
Spot small radio set problems and correct them before they cause serious
trouble.
Keep the radio equipment in good physical condition.
Ensure that each component is functioning properly, both as an individual
component and with other components of the radio set as installed.
Organizational-level PMCS for radio sets normally are done on a monthly and
quarterly basis as scheduled on DD Form 314 (Preventive Maintenance Schedule and
Record).
Your supervisor establishes a monthly and quarterly PMCS schedule (DD
Form 314) for each wheeled vehicle that has a radio set, but this PMCS may be done
on a more frequent basis as directed by your supervisor. For example, monthly (M)
PMCS might be scheduled for 12 January, 12 February, and 12 March; and quarterly
(Q) PMCS (done every three months) might be scheduled for 12 January, 12 April, and
12 July. The organizational-level checks and services are listed in Table 7.
a. DA Form 2404. A record of any faults found during periodic PMCS and the
corrective actions taken should be maintained on DA Form 2404.
b. DA Form 2407. A faulty item of equipment that cannot be repaired at the
organizational maintenance level is sent to the next higher level of maintenance.
It is accompanied by a DA Form 2407.
NOTE:
Complete instructions for the use, completion, and disposition of
maintenance forms and records are in DA Pam 738-750, The Army Maintenance
Management System (TAMMS).
25. ORGANIZATIONAL-LEVEL PMCS.
Organizational-level PMCS for communications-
electronic equipment are done to ensure that your unit radio equipment is in top
operating condition.
A comprehensive PMCS program reduces equipment downtime and
increases your unit operational readiness. Some PMCS are considered to be routine
and should be done anytime you see that they
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