ARMY TM 9-6115-464-12
AIR FORCE TO 35C2-3-445-1
NAVY NAVFAC P-8-624-12
INSALLATION OF SEPERATELY PACKED COMPONENTS.There are no separately packed components.
2-4 INSTALLATION INSTRUCTIONS.
a. General. The generator set installation site shoud be as level as possible and shoud provide adequate
ventilation to prevent cooling air from recirculating. The site must be within 25 feet of any generator set to
be connected in parallel and within 25 feet from any auxiliary fuel supply. The generator set control cubicle
may be removed as a unit and installed up to 500 feet from the remainder of the set. A wiring harness with
40 AWG#16 and 7 AWG#12 conductors installed between connectors P1 and P2 (figures FO-1 and FO-2)
allows the generator set to be started, operated, and monitored from the remotely installed control cubicle.
Refer control cubicle removal and installation to higher level maintenance. Refer to Figure 2-2 for dimen-
sions, clearances, air flow requirements and floor capacity requirements when selecting an installation site.
b. Outdoor Installation. Select the site to make maximum use of natural protective barriers while allowing
enough space on all sides for service and maintenance. The soil of the site should be firm and well drained.
In areas where the soil will not support the generator set, use planks or other suitable material as dunnage.
Do not operate the generator set in an enclosed area unless the exhaust
fumes are piped outside the enclosure. Inhalation of exhaust gases will re-
sult in serious illness or death.
Position the generator set so that a maximum supply of cooling air is available. Never situate the generator
set with the radiator near a wall or other object which would impede the free circulation of cooling air. If a free
supply of cooling air is not available, provide vents or ducting to the outside of the installation. Insure that the
cooling air intake and outlet openings in the installation are at least as large as the cooling air intake and ex-
haust openings on the generator set. If louvers are used, increase the size of the openings by 35 percent.
Install a gas tight metal pipe from the exhaust outlet on the generator set to the outside of the installation.
Use as short a pipe as possible with no more than one 90 degree bend and as few lesser bends as possible.
Insure that the inside diameter of the exhaust piping is as large or larger than the inside diameter of the ex-
haust connection on the generator set. The termination of the exhaust pipe shall be such that the hot gases
or sparks will be discharged harmlessly and will not be directed against combustible material or into an area
containing flammable gases or vapors. Provide an adequate fire-proof shield at the point where the exhaust
pipinq passes through a flammable wall. Position the exhaust piping to eliminate the danger of personnel
touching hot pipes. Refer to Figure 2-2 for dimensions, airflow requirements, and floor Ioading capacity.
d. Grounding. The generator set maybe grounded to an underground metallic water system, a driven metal
rod or a buried metal plate. A ground rod must have a minimum diameter of 5/8 inch if solid or 3/4 inch if
pipe and must be driven to a minimum depth of 8 feet. Aground plate must have a minimum area of 9 square
feet and be buried to a minimum depth of 4 feet. The ground lead must be at least No. 6 AWG copper wire.
If ground rod is used, refer to Figure 2-3 and connect the generator set to the ground as follows:
Do not operate the generator set until it has been connected to a suitable
ground. Serious injury or death by electrocution can result from operating
an ungrounded generator set.
(1) Insert ground cable into slot in ground stud and tighten nut.
(2) Connect coupling to ground rod and install driving stud. Make sure that driving stud seats on ground rod.
(3) Drive the ground rod into ground until coupling is just above surface.