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TM 55-4920-412-13&P
(22)
Connect Digital multimeter positive lead to
test loops 28,30,93 and 102 one at a time after setting
Power to ON. Digital multimeter will indicate less than
one volt. If not, see Troubleshooting Table 4-38.
(23)
Set Power to OFF and disconnect from
test loop 102. Reconnect to test loops 91, 94, 103 and
104 one at a time after setting Power to ON. Digital
multimeter will indicate between 4.5 and 5.5 Vdc. If not,
see Troubleshooting Table 4-38.
(24)
Set Power to OFF and disconnect lead
from test loop 104. 1 Connect oscilloscope positive lead
to test loop 40, 44, 50, 69 one at a time after setting
Power to ON. Oscilloscope will display a rectangular
wave 4.5 to 55 v p-p with a duration of approximately
500 milliseconds. If not, SDC is probable cause of
trouble.
(25)
Set Power to OFF. Disconnect test
equipment.
Section VI. PREPARATION FOR SHIPMENT AND STORAGE
4-15. General.
Preparation for shipment and/or storage depends
upon whether ,test set is retained in unit area or
evacuated. Storage in unit area, when authorized, is on
a rotational basis and is known as Administrative
Storage. For Administrative Storage see TM55-1500-
204-2S/1.
4-16. Levels of Protection.
Select the level of protection which best suits the
circumstances and follow the instructions for that level.
a.
Level A. Use this level if shipment is into or out
of a combat theater or is destined for outdoor storage or
is destined for indoor storage exceeding five years.
b.
Level B. Use this level if the shipment involves
overseas surface transit and/or is destined for indoor
storage up to five years.
c.
Level C. Use this level if shipment is entirely
within CONUS and storage will not exceed two years.
4-17. Procedures.
a.
For All Levels. Clean the test set thoroughly of
all contaminations and debris. Use no cleaning fluids or
preservative
materials.
Package
each
test
set
individually. Each individual package can be shipped
without packing. Cushion the test set in 2 inches of one
pound density polyethylene foam conforming to PPP-C-
1752 and include eight units of desiccant conforming to
MI-D-3464 within the unit.
b.
Unit Container. Provide a snug fitting unit
container as follows:
(1)
Level
A.
Wood-cleated,
plywood
conforming to style I, overseas type of PPP-B-601.
(2)
Level B. Weather-resistant fiberboard
container conforming to PPP-B-636.
(3)
Level C. Domestic class fiberboard
container conforming to PPP-B-636.
(4)
Marking.
Mark
all
shipments
in
accordance with MIL-STD-129.
Change 2 4-73/(4-74 blank)
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