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Page Title:
Chapter 3. MAINTENANCE INSTRUCTIONS |
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 TM 11-6625-601-12
CHAPTER 3
MAINTENANCE INSTRUCTIONS
a. Systematic Care. The procedures given
3-1. Scope of Maintenance
in paragraphs 3-3 through 3-11 cover routine
The maintenance duties assigned to the op-
systematic care and cleaning essential to prop-
erator and organizational repairman of the
er upkeep and operation of the equipment
MK-733/ARC-54 are listed below together with
b. Preventive Maintenance Check and
a reference to the paragraph covering the
Services. The preventive maintenance checks
specific maintenance functions. The replace-
and services charts (para 3-4, 3-6, and 3-9)
ment of items on the MK-733/ARC-54 is limit-
outline functions to be performed at specific
ed to easily replaceable front panel items such
intervals. These checks and services are to
as knobs and indicator lamps. No special tools
maintain the MK-733/ARC-54 in a combat serv-
or test equipments are required for operator
iceable condition; that is, in good general con-
and organizational maintenance of the MK-
dition. To assist operators in maintaining com-
733/ARC-54.
bat serviceability, the charts indicate what to
a. Daily and weekly preventive maintenance
check, how to check, and what the normal con-
checks and services (para 3-3 and 3-4).
ditions are; the references column lists the il-
b. Monthly preventive maintenance checks
lustrations, paragraph, or manuals that con-
and services (para 3-5 and 3-6).
tain detailed repair or replacement procedures.
If the defect cannot be remedied by performing
d. Quarterly preventive maintenance checks
the corrective action indicated, higher cate-
and services (para 3-6 and 3-9).
gory of maintenance or repair is required. Rec-
ords and reports of these checks and services
must be made in accordance with the require-
ments set forth in TM 38-750.
h. Repairs:
3-3. Daily and Weekly Preventive Mainte-
(1) Replacement of indicator lamps (para
nance Checks and Services
3-14a).
Preform the maintenance functions indicat
(2) Replacement of front panel knobs
ed in the daily and weekly preventive mainte-
(para 8-14b).
nance checks and services chart (para 3-4) da-
(3) Replacement of fuse (para 3-14c).
ily and weekly or under the special conditions
3-2. Preventive Maintenance
listed below:
a. When the equipment is initially received.
Preventive maintenance is the systematic
b. When the equipment has been returned
care, servicing, and inspection of equipment
to service after higher category maintenance.
to prevent the occurrence of trouble, to reduce
downtime and to assure that the equipment is
c. At least once each month if the equipment
serviceable.
is maintained in a standby condition.
3-1
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