ARMY TM 9-6115-604-12
NAVY NAVFAC P-8-633-12
Do not operate the generator set unless It has been properly grounded. Electrical
faults (such as leakage paths) in the generator set, feeder lines, or load equipment
can cause injury or death by electrocution.
Three grounding rods. These are inside the engine compartment, clamp mounted to the right skid of the skid
Two ground clamps. These are inside the tool box. The tool box Is In the generator compartment on the left
Two grounding cables These are coiled on the floor of the generator compartment.
Grounding to a Driven Metal Rod. Proceed in accordance with Figure 4-2
Grounding to a Buried Metal Plate A plate used with this method must have a minimum area of 9 square feet (0.8
square meter) The minimum depth of plate burial is 4 feet (1 2 meters). Proceed In accordance with Figure 4-3.
Grounding to an Underground Metallic Water Piping System. Proceed In accordance with Figure 4-4
Muffler installation will require the services of two or more persons.
Muffler Installation The two mufflers are stored In the generator compartment during shipment. To Install mufflers for
generator set operation proceed as follows'
Remove muffler opening covers (Figure 4-1). Retain mounting hardware and exhaust roof gaskets
Secure muffler opening covers to the air filters. See detail insert, Figure 4-5.
Remove hexagon head cap screws (2), lock washers (3), and hexagonal nuts (4) to remove muffler assemblies
Remove screws (6) to remove angle (7). Store screws and angle in tool box
See Figure 3-23. Remove muffler bands (7 and 8) from muffler (9) by removing hexagon head cap screws (4),
lock washers (5), hexagonal nuts (6), and flat washers (16) Separate lower muffler band (7) from upper muffler
Install lower muffler band (7) on roof Remove hexagon head cap screws (4) and lock washers (5) installed on
roof band mounting holes for shipping and use same hardware to mount the lower muffler band (7) on roof.