TM 11-6625-539-15-2
4-4. Operator's Daily Preventive
Maintenance
Checks
and
Service
Chart
Check equipment for completeness and general condition . . . . . App B.
1
Test
set
Clean exterior surfaces of the equipment . . . . . . . . . . . . . . . ---- Para 4-7.
2
Exterior
surfaces
Inspect external receptacles for breakage and looseness . . . . . . .
3
External
Inspect
front
panel
glass
window
for
damaged
housing,
broken
4
Meter
glass
glass, physical damage, dust, or moisture.
During
operation
(sequence
No.
6),
check
knobs,
controls,
and
5
Knobs,
controls,
and
switches__
switches
for
proper
mechanical
action.
Action
must
be
positive,
without
backlash,
binding,
or
scraping.
During operation, be alert for any abnormal indications
6
Operation
4-5. Operator's Weekly Preventive Maintenance
Checks and
Services Chart
1 Cables
Inspect external cables for cuts, cracked or gouged jackets,
fraying,
or
kinks.
2 Hardware
Inspect all exterior hardware for looseness and damage. The
test
set
cover,
carrying
handle,
latches,
and
all
bolts
and
screws must be tight and not damaged.
3 Preservation
Inspect equipment for bare spots, rust, and corrosion. If these Paras 4-7 and 4-8.
conditions
exist,
refer
to
a
higher
maintenance
category
for
repair.
4 Batteries
Inspect batteries for leakage, corrosion, and swelling
4-6. Organizational Monthly Preventive Maintenance
Checks and
Services Chart
Inspect
the
manual
for
and
usable
condition.
Be
DA
Pam
310-4.
1
Publications
sure that all changes to the manual are on hand.
Check
to
see
that
all
URGENT
MWO's
have
been
applied
and
DA
Pam
310-7.
2
Modification
work
orders
that
all
NORMAL
MWO's
have
been
scheduled.
Check
the
equipment
for
completeness
and
general
condition__
App
B.
3
Completeness
Clean the exterior surfaces of the equipment
4
Cleanliness
Inspect the equipment to determine that it is free of bare spots, Para 4-8.
5
Preservation
rust,
and
corrosion.
Inspect
the
external
receptacles
for
breakage
and
looseness_
_
_
External
receptacles
6
Inspect
the
front
panel
glass
for
damaged
housing,
broken
7
Meter
glass
glass,
physical
damage,
dust,
or
moisture.
Inspect
the
external
cables
for
cuts,
cracked
or
damaged
8
Cables
jackets,
fraying,
or
kinks.
During
operation,
be
alert
for
any
abnormal
indication
9
Operation
Caution: Do not press on the meter face (glass)
when cleaning; the meter may become damaged.
Inspect the exterior surface of the test set. The ex-
d. Clean the front panel, meter, and control knobs;
terior surface should be free of dirt, grease, and
use a soft, clean cloth. If necessary, dampen the cloth
fungus.
with water; mild soap may be used for more effective
a. Remove dust and other loose dirt with a clean,
cleaning.
SOft cloth.
4-8. Rustproofing and
Painting
Warning: Prolonged breathing of cleaning
a. Rustproofing. When the finish on the test set has
compound is dangerous; make certain that ade-
become badly scarred or damaged, rust and corrosion
quate ventilation is provided. Cleaning compound
can be prevented by touching up the bare spots. Use
is flammable; do not use near a flame. Avoid con-
No. 000 sandpaper to clean the surface down to the
tact with the skin; wash off any that spills on
bare metal. Obtain a bright, smooth finish.
your hands.
b. Painting. Remove rust and corrosion from mental
b. Remove grease, fungus, and ground-in dirt from
surfaces by lightly sanding them with fine sand-
the cases; use a cloth dampened (not wet) with clean-
paper. Brush two thin coats of paint on the bare metal
ing compound (FSN 79303959542).
to protect it. Refer to the applicable cleaning and re-
c. Remove dirt from plugs and jacks with a brush.
finishing practices specified in TB SIG 364.