TM 9-6115-646-14&P
WARNING
Do not operate generator set until power unit is properly grounded (paragraph 4-2, b.) Serious Injury or
death by electrocution can result from operating an ungrounded power unit
CAUTION
To avoid damage to equipment, make certain of voltage, frequency, and phase requirements of load being
connected to generator set.
(6)
Connect power unrt to system or equipment to be powered Refer to TM 5-6115-457-12 or TM 5-6115-600-12, as
applicable, and generator set load terminal board data plate Data plate is located on Inside of generator enclosure
door near load terminals
(7)
Close all doors on generator set enclosure except control panel doors and the two doors Immediately below the
control panel
b
Grounding. Check that generator set Is grounded to GROUND TERMINAL stud on trailer frame Using ground
wire supplied with power unit, connect power unit GROUND TERMINAL to a suitable ground as described below The
following sources of good ground are listed In order of preference
NOTE
As a substitute for the supplied ground wire, any copper wire of a least No 6 AWG may be used
(1)
Underground water system Ground power unit to one of the accessible pipes In an underground water system
Make certain underground pipe is made of metal and there is no insulation, such as a water meter, between
ground wire and the earth
(2)
Ground rod Drive ground rod a minimum of eight feet Into earth and saturate area around hole with salt water A
ground rod must have a minimum diameter of 5/8-inch, If solid, or 3/4-inch If pipe
NOTE
It may be necessary to saturate the area around ground rod with water If soil conditions are dry
(3)
Ground plate. Ground power unit to a metal plate buried four feet deep Ground plate should cover a minimum
area of nine square feet.
c
External Fuel Line Connection (See figure 4-4 ) The power unit generator set can be fueled from an external
source such as a five-gallon fuel can or 55 gallon drum This eliminates the need for frequent refilling of the generator’s fuel
tank during long intervals of operation
(1)
Remove fuel can adapter and fuel pickup tube from storage locations on power unit and assemble by threading
pickup tube Into adapter
4-5
