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Page Title:
OPERATOR, ORGANIZATIONAL AND DIRECT SUPPORT MAINTENANCE MANUAL |
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  Changes In force: C 1, C 2 and C 3
TM
5-6115-376-13
C3
CHANGE
HEADQUARTERS
DEPARTMENT
OF
THE
ARMY
WASHINGTON, D.C. 3 January 1975
No. 3
Operator's,
Organizational
and
Direct
Support
Maintenance
Manual
GENERATOR
SET,
DIESEL
ENGINE,
TRAILER
MOUNTED
PU-407/M
(FSN
6115-702-3347)
AND
PU-699/M
(FSN
6115-132-0488),
AND
GENERATOR
SET,
DIESEL
ENGINE,
TRUCK
MOUNTED,
PU-408/M
(FSN
6115-706-0469)
AND
PU-700/M,
(FSN
6115-125-7876)
TM 5-6115-376-13, 4 August 1970, is changed as follows:
(a) Drive a ground rod to depth of at least 8
Page 1-1, paragraph 1-2 is superseded as follows:
feet. This is the preferred device which is available in
1-2.
Recommendation
for
Maintenance
Pub-
the Army Supply System.
lications
Improvements
(b) Drive a ground pipe, 3/4 inch, copper or
steel, to a depth of at least 8 feet. An existing
You can improve this manual by recommending
u n d e r g r o u n d pipe may be used in an emergency.
improvements.
Your
letter
or
DA
Form
2028
(c) Bury a 1/4 inch thick iron or steel plate,
(Recommended
Changes
to
Publications
and
Blank
a p p r o x i m a t e l y 18 inch x 18 inch size with ground
Forms) or by letter, and mail direct to Commander,
cable attached, a depth of at least 4 feet.
US
Army
Troop
Support
Command,
ATTN:
(d) Bury a 1/16 inch thick aluminum or copper
A M S T S - M P P , 4300 Goodfellow Boulevard, St. Louis,
plate approximately 18 inch x 18 inch size, with
MO. 63120. A reply will be furnished direct to you.
ground cable attached, to a depth of at least 4 feet.
Page 2-2. Paragraph 2-4, add paragraph c as follows:
(2)
Saturate
the
area
around
the
grounding
c . Grounding P r o c e d u r e .
d e v i c e with water to increase conductivity.
CAUTION
(3) Connect the ground cable from the grounding
Generator sets should be grounded in order
device to the operator set frame ground rods (fig 1-2)
to prevent shock due to defective insulation
a n d tighten the nut securely.
o r external electrical faults. Poor ground-
i n g can endanger personnel, may damage
NOTE
e q u i p m e n t , and can create interference in
Ground cables should be copper. Braided
c o m m u n i c a t i o n or electronic circuits.
c a b l e is the best, but No. 6 AWG g a g e ( o r
(1) Install one of the following items as a
larger) copper wire will suffice.
grounding device:
1
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