TM 11-6130-243-12-1
CHAPTER 3
MAINTENANCE INSTRUCTIONS
and services charts (para 3-4 through 3-7)
3-1. Scope of Maintenance
outline functions to be performed at specific
The maintenance duties assigned to the oper-
intervals. These checks and services are to main-
ator and organizational repairman of the equip-
tain Army electronic equipment in a combat-
ment are listed below, together with references
serviceable condition; that is, in good general
to the paragraphs covering the specific main-
(physical) condition and in good operating con-
tenance functions. The tools and test equipment
dition. To assist operators in maintaining
required are listed in appendix C.
combat serviceability, the chart indicates what
a. Operator's daily preventive maintenance
to check, how to check, and what the normal
checks and services (para 3-4).
conditions are. The references column lists the
b. Operator's weekly preventive maintenance
paragraphs, figures, or manuals that contain
checks and services (para 3-5).
detailed repair or replacement procedures. If
c. Organizational monthly preventive mainte-
the defect cannot be remedied by the corrective
nance checks and services (para 3-6).
actions listed, higher category of maintenance
d. Organizational quarterly preventive main-
or repair is required. Records and reports of
tenance checks and services (para 3-7).
three checks and services must be made in ac-
cordance with the requirements set forth in TM
38-750.
g. Troubleshooting (para 3-10).
3-3. Preventive Maintenance Checks and
Services Periods
3-2. Preventive Maintenance
Preventive maintenance checks and services
of the equipment are required daily, weekly,
Preventive maintenance is the systematic
monthly, and quarterly.
care, servicing, and inspection of equipment to
prevent the occurance of trouble, to reduce
downtime, and to assure that the equipment is
services that must be accomplished daily (or
serviceable.
at least once each week if the equipment is
a. Systematic Care. The procedures given in
maintained in standby condition).
paragraphs 3-4 through 3-8 cover routine
systematic care and cleaning essential to proper
ditional checks and services that must be per-
upkeep and operation of the equipment.
formed on a weekly, monthly, and quarterly
b. Preventive Maintenance Checks and
basis, respectively.
Services. The preventive maintenance checks
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