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Page Title:
Operator's Weekly Preventive Maintenance Checks and Services Chart |
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  TM 11-6130-243-14-2
Time required: 0.2
Work time
Sequence
Procedures
(M/H)
No.
Item to inspected
0.1
1
Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inspect cables for chafed, cracked, or frayed insulation.
0. 1
2
Metal surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inspect exposed metal surfaces for rust and corrosion . . . . .
Time required: 0.5
Work time
Sequence
Procedures
No.
Item to be inspected
(M/H)
1
Transformer terminals. . . . . . . . . . . . . . . . Inspect the terminals on the power transformer. AH nuts must be
0.1
tight. There should be no evidence of dirt or corrosion.
0.1
2
Resistors and capacitors . . . . . . . . . . Inspect resistors and capacitors for cracks, blistering, or other
detrimental defects.
Gaskets and insulators . . . . . . . . . . . . . . . . . . Inspect gaskets, insulators, bushing and sleeves for cracks, chipping
0.1
3
and excessive wear,
4
Terminal . . . . . . . . . . . . . . . . . . . . . Inspect the terminal board for loose terminals, cracks, and other
0.1
detrimental defects.
5
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Clean the interior of the chassis and cabinet . . . . . . . . . . . . . . . . . . . .
0.1
Time required: 0.2
Sequence
Work time
Item to be inspected
Procedures
No.
(M/H)
0.1
1
Publications. . . . . . . . . . . . . . . . . See that all publications are complete, serviceable, and current
(DA Pam 310-4).
0.1
Modifications . . . . . . . . . . . . . Check DA Pam 310-4 to determine whether new applicable
2
MWO'S have been published (TM 38-750 and DA Pam 310-4).
All URGENT MWO'S must be applied immediately. All NORMAL
MWO'S must rescheduled.
3-8. Cleaning
water; mild soap may be used for more effective
Inspect the exterior of the equipment. The exterior sur-
cleaning.
faces should be free of dust, dirt, grease, and fungus.
a. Remove dust and loose dirt with a clean soft
Remove rust and corrosion from metal surfaces by
cloth.
lightly sanding them with fine sandpaper. Brush two
b. Remove grease, fungus, and ground-in dirt from
thin costs of paint on the bare metal to protect it from
the case; use a cloth dampened (not wet) with
further corrosion. Refer to the applicable cleaning and
TRICHLOROTRIFLUOROETHANE
(NSN
refinishing practices specified in TB 746-10.
6850-00-105-3084).
c. Remove dust or dirt from plugs and packs with a
brush.
a. General. The troubleshooting chart (b) will help
CAUTION
locate trouble in the power supply. Only those correc-
Do not press on the meter faces (glasses)
tive measures are given which the unit repairmen can ac-
when cleaning; the meters may become
complish. If the corrective measure does not restore
damaged.
normal equipment performance, higher category of
d. Clean the front panel, meters, and switches; use a
maintenance is required.
soft clear cloth. If necessary, dampen the cloth with
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