TM 11-6625-599-12
CHAPTER 3
MAINTENANCE INSTRUCTIONS
b. Preventive Maintenance Checks and Serv-
3-1. Scope of Maintenance
ices. The preventive maintenance checks and
The maintenance duties assigned to the op-
services charts (para 34 through 37) outline
erator and the organizational repairman of the
functions to be performed at specific intervals.
equipment are listed below together with a
These checks and services are to maintain Army
reference to the paragraphs covering the spe-
electronic equipment in a combat-serviceable
cific maintenance functions. The tools and
condition; that is, in good general (physical)
test equipment required are listed in appendix
condition and in good operating condition. To
II.
assist operators in maintaining combat service-
a. Daily preventive maintenance checks and
ability, the charts indicate what to check, how
services (para 3-4).
to check, and what the normal conditions are;
b. Weekly preventive maintenance checks
the Reference column lists the paragraphs or
and services (para 35).
manuals that contain detailed repair or replace-
c. Monthly preventive maintenance checks
ment procedures. If the defect cannot be reme-
and services (para 36).
d i e d by performing the corrective actions
d. Quarterly preventive maintenance checks
listed, higher level maintenance or repair is re-
and services (para 3-7).
quired. Records and reports of these checks
and services must be made in accordance with
the requirements set forth in TM 38-750.
3-3. Preventive Maintenance Checks and
Services Periods
k. Replacement of decimal point indicator
Preventive maintenance checks and services
lamps (para 3-14).
of the equipment are required daily, weekly,
monthly, and quarterly.
3-2. Preventive Maintenance
Preventive maintenance is the systematic
care, servicing, and inspection of equipment to
services that must be accomplished daily (or at
prevent the occurrence of trouble, to reduce
least once each week if the equipment is main-
downtime, and to assure that the equipment is
tained in standby condition).
serviceable.
a. Systematic Care. The procedures given in
tional checks and services that must be per-
formed on a weekly, monthly, and quarterly
tematic care and cleaning essential to proper
basis, respectively.
upkeep and operation of the equipment.
3-4. Daily Preventive Maintenance Checks and Services Chart
3-8a).
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