TM 5-6115-584-12
NAVFAC P-8-622-12
TO-35C2-3-456-1
TM-05682C-12
out-of-level. Set up the unit as level as possible and
grounding method must be supplemented by an addi-
keep it as level as possible during operation.
tional driven metal rod ground or a buried metal
plate ground. A driven metal ground rod must have a
minimum diameter of 5/8 inch if solid or 3/4 if pipe,
e. Grounding. The Generator Set must be grounded
and driven to a minimum depth of 8 feet. A buried
prior to operation. The ground can be, in order of
metal ground plate must have a minimum area of 9
preference: (1) an underground metallic water piping
square feet, minimum thickness of 1/4 inch, and be
system, (2) a driven metal rod, or (3) a buried metal
buried at a minimum depth of 4 feet. The ground lead
plate (figure 4-2). If the effectively grounded portion
must be at least No. 6 AWG (American Wire Gauge)
of the buried metallic water pipe is less than 10 feet
copper wire. Ground rods are available as optional
due to insulated sections or joints, this preferred
equipment.
Figure 4-2. Grounding Generator Set
4-3
