SECTION Ill PREVENTIVE MAINTENANCE CHECKS AND SERVICES

TM 55-4920-430-13

SECTION Ill PREVENTIVE MAINTENANCE CHECKS AND SERVICES

2-7. Preventive Maintenance. Preventive maintenance is the systematic care, servicing, and inspec-

tion of equipment to prevent the occurrence of trouble, to reduce out-of-service time, and to ensure that

the equipment is serviceable.

a. Systematic Care. The procedures in para 2-8 cover routine systematic care and cleaning essential

to proper unkeep and operation of the test set.

b. Preventive Maintenance Checks and Services. The preventive maintenance checks and services

chart (para 2-8) outlines functions to be performed at specific intervals. These checks and services are

performed to maintain the test set in serviceable condition; that is, in good general (physical) condition

and in good operating condition. Certain checks are performed before, during, and after operation of

the test set. Other checks and services are performed weekly.

(1) Before you operate. Perform your before (B) checks and services.

(2) While you operate. Perform your during (D) checks. If the test set fails to operate, trou-

bleshoot using the specified test equipment and the procedures in Section III. Report deficiencies using

the proper forms. (Refer to TM 38-750.)

(3) After you operate. Perform your after (A) checks.

2-8. Operator Preventive Maintenance Checks and Services Chart.

NOTE

Within designated interval, these checks are to be performed in the

order listed.

A-After

B-Before

D-During