Page 9, paragraph 2-3, Heading. Delete
Voltmeters, Electronic ME-161A/U and ME-
161 B/U operating controls and indicators.
and substitute:
2-3. Voltmeters, Electronic AN/USM-98A
Page 19, paragraph 3-8a. Make the fol-
and AN/USM-98B Operating Controls
lowing changes:
and Indicators
S u b p a r a g r a p h (1), Warning. Delete and
(figs. 2,2.1, and 4)
substitute:
Page 11, paragraph 2-3, chart. Make the
following changes:
WARNING
Function column, opposite "Chassis ground
The fumes of trichloroethane are
terminal" Delete and substitute: Provides
toxic. Provide thorough ventilation
connection to chassis of ME-16 1A/U and
whenever used. DO NOT use near
ME-161B/U.
an open flame. Trichloroethane is
not flammable, but exposure of the.
column,
opposite
"Polarity
Function
fumes to an open flame converts the
switch." Delete and substitute: Changes
fumes to highly toxic, dangerous
polarity of ME-161A/U and ME-161B/U
gases.
to match polarity of unknown voltage.
Controls or indicator column. Delete "RE-
Subparagraph (2), lines 3 and 4. Delete
CORDER OUTPUT and GAIN ADJ R1
"cleaning compound" and substitute trich-
control (rear panel of ME-161A/U, fig. 2)"
lorethane.
and substitute: RECORDER OUTPUT and
Page 23, paragraph 4-2b, first sentence.
GAIN ADJ R1 (rear panel of ME-161A/U
After AN/USM-98A, add AN/USM-98B.
and ME-161B/U, figs. 2 and 2. 1).
Paragraph 4-3. Make the following changes:
Controls or indicator column. Delete "Re-
corder output terminals (rear panel of ME-
Line 3. Delete AR 40-580 and substitute
16 1A/U, fig. 2)" and substitute: Recorder
AR 700-52.
output terminals (rear panel of ME-16lA/U
Line 4. Delete AR 755-380 and substitute
and ME-161B/U, figs. 2 and 2. 1).
AR 755-15.
Page 12, figure 4, caption. Delete and sub-
Page 25, appendix I. Delete and substitute:
stitute:
APPENDIX I
REFERENCES
Following is a list of applicable references available to the operator and organizational
repairman of the vtvm.
AR 700-52 Licensing and Control of Sources
AR 700-52
Licensing and Control of Sources of Ionizing Radiation.
AR 755-15
Disposal of Unwanted Radioactive Material.
DA Pam 310-4
Index of Technical Manuals, Technical Bulletins, Supply Man-
uals (types 7, 8, and 9), Supply Bulletins, and Lubrication
Orders.
DA Pam 310-7
U. S. Army Equipment Index of Modification Work Orders.
MIL-STD-129D
Marking for Shipment and Storage.
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