TM 11-6625-539-14-3
GENERAL SUPPORT TESTING PROCEDURES
b. Preliminary Instructions. Follow the in-
s. Testing Procedures. The testing procedures
structions preceding each chart before proceed-
are prepared for use by Electronic Field Mainte-
ing to the chart. Perform each step in sequence,
nance Shops and Electronic Service Organiza-
Do not vary the sequence. For each step, per-
tions responsible for general support mainte-
f o r m all the actions required in the C o n t r o l
nance of electronic equipment to determine the
settings column; then perform each specific test
acceptability of repaired equipment. These pro-
p r o c e d u r e , and verify it against its perform-
cedures set forth specific requirements that re-
ante standard.
paired equipment must meet before it is returned
to the using organization.
c. procedure.
Control settings
Step
Performance standard
Equipment under test
Test procedure
Test equipment
No.
a. Inspect case and chassis
1
e Controls may be in any
U. No damage evident or
N
o
n
for damage, missing
position.
parts missing. External
parts, and defective
surfaces intended to be
painted do not show bare
condition of paint.
metal.
Note. Touchup painting is recoin.
mended in place of refinishing
whenever practical : screw heads:
binding posts, receptacles, and
other plated partai will not be
painted or polished with abras-
ives.
b. Inspect all controls and
b. Screws, bolts, and nuts will
mechanical assemblies
be tight with none miss-
for loose or missing
ing.
screws, bolts, and nuts.
c. No loose parts or damage.
c. Inspect all connectors, soc-
kets, receptacles, and
No missing parts.
fuseholders and meter
for looseness, damage,
or missing parts.
2
None . . . . . . . . . . . . .
Controls may be in any
a. Rotate all panel controls
a. Controls rotate freely with-
position.
throughout their limits
out binding or excesive
of travel.
looseness.
b. Inspect dial stops for
b. Stops operate properly
damage or bending;
without evidence of dam-
check for proper oper-
age.
ation.
c. Operate all switches
c. Switches operate properly.
MX-1292/PAQ
3
Connect mercury
Controls may be in any
Turn on mercury vapor lamp
All repaired or disturbed
vapor lamp.
position.
and expose portion of
electrical components and
equipment that has been
chassis surfaces are cov-
repaired or disturbed to
ered. There must be no var-
direct rays of lamp.
nish on switch contacts or
moving parts of mechanical
assemblies.
Note. Moisture fungiproofing var-
nish glows gray-green under rays of
mercury vapor lamp.
