SECTION V
OPERATOR AND ORGANIZATIONAL MAINTENANCE
5-1. PREVENTIVE MAINTENANCE.
Preventive maintenance is the systematic care, servicing, and inspection of equipment to prevent the occurrence of
trouble, to reduce downtime, and to assure that the equipment is serviceable.
a. Systematic Care. The procedures given in paragraphs 5-2 through 5-7 over routine systematic care and
cleaning essential to proper upkeep and operation of the equipment.
b. Preventive Maintenance Checks and Services. The preventive maintenance checks and services charts (para
5-3, 5-4 and 5-5) outline functions to be performed at a specific interval. These checks and services are to maintain
Army electronic equipment in a combat serviceable condition; that is, in good general (physical) condition and in good
operating condition. To assist operators in maintaining combat serviceability, the charts indicate what to check, how to
check, and what the normal conditions are; the References column lists the illustrations, paragraphs, or manuals that
contain detailed repair or replacement procedures. If the defect cannot be remedied by performing the corrective action
indicated, higher level maintenance or repair is required. Records and reports of these checks and services must be
made in accordance with the requirements set forth in TM 38-750.
5-2. PREVENTIVE MAINTENANCE CHECKS AND SERVICES PERIODS.
Preventive maintenance checks and services of Test Set, Gyro Magnetic Compass AN/ASM-61 are required daily,
weekly, and quarterly. The operator ,ill perform operator and organizational maintenance.
a. Paragraph 5-3 specifies checks and services that must be accomplished daily and under the special conditions
listed below.
(1) When the equipment is initially installed.
(2) When the equipment is reinstalled after removal of any reason.
(3) At least once each week if the equipment is maintained in standby condition.
b. Paragraphs 5-4 and 5-5 specify additional checks and services that must be performed on a weekly and
quarterly basis, respectively.
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