Armstrong World Industries ACUM84, ACUM140, ACUM185 Location, Ground/Floor Loading, Mounting

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1. LOCATION

The generating set sub base tank or frame (if it’s the case) is specifically designed for ease of moving the set. Improper handling can cause serious damage to the generator and components.

Never lift the generating set by attaching lugs to the engine or alternator. Shackles and chains of suitable length and lifting capacity must be used. A spreader bar is required to prevent damaging the set.

roof and an outside security enclosure (fence) to pro- tect the unit from vandalism, birds, rodents, and other small animals is recommended.

•The Gen-Set generates heat while running. Installing the Gen-Set in a tightly enclosed building or shed is not recommended. The site must provide for adequate cooling and ventilation with a minimum of duct work. Adequate ventilation for a generator is specified in cubic feet per minute.

•The site must permit engine exhaust gases to be piped away to an area that is uninhabited by people or ani- mals. Care must be given to ensure that exhaust gases do not re-enter an occupied area.

•The outside site must provide access to the generator to allow for maintenance, service, and repair. A three foot (.914 meter) service clearance around the unit is recommended.

•Fuel supply and ease of refueling must be taken into consideration.

•Adequate normal and emergency lighting must be pro- vided in any installation.

1.1. GROUND/FLOOR LOADING

The foundation for the generator must support the total weight of the generator. This includes fuel, oil, and the weight of any associated support systems.

Plan for 3 feet (1 Meters) of access around the generator for maintenance, service and repair.

When calculating the floor loading, ensure the fuel weight, cooling system fluids (where applicable), piping, pumps, power cables/runways and supporting structures are in- cluded in the calculations.

See the drawings:	2.	MOUNTING
The location for a generator is dependent on applicable	A	concrete foundation with anchored mounting bolts, is
	recommended. Steel Beams are an acceptable alternative.
codes and associated support systems for the generator
	Foundations help in the servicing and repair of Gen-Set's
such as ventilation, wiring, fuel, and exhaust.
	and protect the unit from moisture that could occur from
The following factors should be considered:	seepage. The concrete base that the generator is mounted
	to should be separate and independent from the surround-
• The ideal location for any generator is away from ex-
	ing structure.
treme ambient temperatures and where the generator
is protected from adverse weather conditions. It is	The following applies to concrete bases:
recommended that generator be as close to the load it
is supporting as possible.	A Single (See Figure 1)or Double (See Figure 2) pedestal
• The structure where the Generator Set will be set upon	base may be used. A height of at least 6 inches higher than
must be strong enough to support the weight of the	floor level is recommended.
Gen-Set, its' auxiliary equipment, and other equipment
mounted on the structure.

•The structure must meet a 1 hour non-combustion fire rating.

•The installation site must be clean, dry and not subject to flooding.

•Because of excessive ambient temperatures associ- ated with the use of stand-alone metal sheds from exposure to sunlight, a concrete pad with a supported

AR-EXP-CUMMINS-07-00 OWNERS MANUAL