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Page Title:
Chapter 3. PREVENTIVE MAINTENANCE INSTRUCTIONS |
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  PREVENTIVE MAINTENANCE lNSTRUCTIONS
line functions to be performed at specific in-
Scope of Maintenance
tervals. These checks and services are to main-
The maintenance duties assigned to organi-
tain Army electronic equipment in a combat-
zational maintenance personnel of the equip-
serviceable condition; that is, in good general
ment are listed below together with a refer-
(physical) condition and in good operating
ence to the paragraphs covering the specific
condition. To assist operators in maintaining
maintenance functions.
combat serviceability, the charts indicate
a. Daily preventive maintenance checks and
what to check, how to check, and what the
services (para 3-4).
normal conditions are; the References column
b. Weekly preventive maintenance checks
lists the illustrations, paragraphs, or manuals
and services (para 3-5).
that contain detailed repair or replacement
c. Monthly preventive maintenance checks
procedures. If the defect cannot be remedied
and services (para 3-6).
by performing the corrective actions listed,
d. Quarterly preventive maintenance checks
higher level maintenance or repair is rquired.
and services (para 3-7).
Records and reports of these checks and serv-
ices must be made in accordance with the re-
quirements set forth in TM 38-750.
3-2. Preventive Maintenance
Services Periods
Preventive maintenance is the systematic
care, servicing, and inspection of equipment
Preventive maintenance checks and services
to prevent the occurrence of trouble, to reduce
of the equipment are required daily, weekly,
downtime, and to assure that the equipment
monthly, and quarterly.
is serviceable.
services that must be accomplished daily (or
a. Systematic Care. The procedures given in
at least once each week if the equipment is
pragraphs 3-4 through 3-9 cover routine sys-
maintained in standby condition).
tematic care and cleaning essential to proper
upkeep and operation of the equipment.
tional checks and services that must be per-
b. Preventive Maintenance Checks and Serv-
formed on a weekly, monthly, and quarterly
ices. The preventive maintenance checks and
services charts (para 3-4 through 3-7) out-
basis, respectively.
Sequence
Procedures
References
Item to be Inspected
No.
None.
See
that
the
equipment
is
complete
II).
Completeness . . . . . . . . . . .
1
None.
Clean
the
exterior
surfaces,
including
the
panel
and
Exterior
surfaces.
2
meter
glass
Check
meter
glass
and
indicator
lenses
for
cracks.
Check
the
tightness
of
all
connectors.
None.
Connectors . . . . . . . . . . . . .
3
While
making
the
operating
checks
(item
5),
observe
None.
Controls
and
indicators.
4
that
the
mechanical
action
of
each
knob,
dial,
and
switch
is
smooth
and
free
of
external
or
internal
binding,
and
that
there
is
no
excessive
looseness.
Also,
check
the
meter
for
sticking
or
bent
pointer.
None.
Operate
the
equipment
according
to
.............
Operation
5
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