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SOUND OUTPUT |
138 decibels 100 ft.
from throat of Compressor |
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SIREN WEIGHTS AND
DIMENSION: |
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Siren Dimensions |
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Assembly overall length |
135 inches |
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Assembly overall width |
45 inches |
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Assembly height |
62 inches |
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Assembly height
including exhaust pipe |
71 inches |
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Siren Weights |
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Engine Unit |
2408 pounds |
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Compressor Unit |
2145 pounds |
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Frame and Base |
990 pounds |
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Total 5543 pounds |
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Engine Unit Dimensions |
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Overall length |
58 inches |
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Overall width |
34 inches |
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Overall height to top of hood |
45 inches |
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Overall height to include exhaust pipe |
55 inches |
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Compressor Unit Dimensions |
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Overall length |
60 inches |
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Overall length without horns |
34 1/2 inches |
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Overall width |
43 inches |
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Overall height |
43 inches |
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Frame and Base Dimensions |
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Overall length |
96 inches |
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Overall width |
35 1/2 inches |
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Overall height |
8 inches |
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Overall height including turntable |
14 1/4 inches |
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WINTERIZATION |
Standard unit equipped for starting and operating at Minus 25
Degrees F. |
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INDUSTRIAL 20A 481 ENGINE: |
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Type |
4 cycle, gasoline |
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No. of Cylinders |
8 |
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Cylinder Arrangement |
90 Degree Vee |
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Bore |
3 13/16 inches |
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Stroke |
3 5/8 inches |
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Piston Displacement |
331.1 Cubic inches |
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Compression Ratio |
7.5 to 1. |
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Gross Horsepower |
180 horsepower |
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A.M.A.
Horsepower |
46.5 horsepower |
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Valve Arrangement |
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Overhead lateral Valve Material |
Silicon-chrome steel |
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Exhaust Valves |
Stellite faced |
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Combustion Chamber |
Hemispherical type |
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Fuel |
Regular grade |
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Pistons
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Aluminum Alloy
Tin plated
Steel Strut-slipper type |
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Piston Rings |
2 compression 1 oil |
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Top Ring |
Chrome plated |
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Crankshaft |
Drop forged steel - 5 bearings |
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Camshaft |
High strength cast iron - 5 bearings |
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Camshaft Drive |
Silent chain |
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Crankshaft Bearing |
2 1/2 inches diameter
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Lubrication |
Pressure type |
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Oil Pump |
Rotor type |
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Oil Capacity |
5 quarts |
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Oil Filter |
Full flow |
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Ignition |
Battery type |
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Distributor |
Double breaker - splash proof
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Spark Plug |
14 MM resistor type |
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Starting
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6 Volt electric |
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Generator
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6 Volt 50 ampere - max. charging rate |
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Generator Regulator |
Full voltage and current control |
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Carburetor |
Dual Venturi downdraft |
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Cooling System |
Centrifugal pump type 15 gallon capacity |
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Temperature Control |
By-pass type thermostat |
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Fuel Feed |
Diaphragm type pump |
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Fuel Tank |
25 gallon capacity |
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POWER TRAIN |
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Drive |
13 inch Gyrol fluid coupling |
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Clutch |
11 inch friction type single plate, dry disc |
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Release Mechanism |
Over center release with ball type throw out bearing |
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Engine Siren Connection |
Direct connected through high velocity heavy duty universal joints |
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SIREN UNIT |
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Compressor: |
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Type |
3 stage centrifugal type compressor stiff shaft unit |
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Capacity |
3265 CFM free air at 14.7 psia and 70 deg. F. |
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Discharge Volume |
2610 CFM |
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Discharge Pressure |
6.95 psig
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Rated Speed |
4600 RPM |
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Housing Material |
Cast iron
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Impellers |
Shrouded cast aluminum heat treated alloy |
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Housing Size |
43 inch outside diameter |
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Impeller Size |
22 3/4 inch diameter |
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Shaft Support |
Spherical seat anti-friction, grease lubricated bearings |
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Shaft Material |
Hot rolled steel |
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Packing Rings |
Cast aluminum Labrinth packing rings - protect interstage leakage |
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Siren: |
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Rotating Element |
High speed chopper |
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Rating |
138 decibels max. 100 ft. from throat of Compressor |
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Frequency
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460 cycles per second |
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Housing Material |
Cast iron |
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Chopper Material |
Steel |
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Housing Ports |
6 adjustable cast iron ports |
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Horns: |
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Type |
6 throated cast directional beam exponential type |
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Material |
Cast aluminum heat treated alloy |
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Size |
Length - 25 1/2 inches
Height - 37 1/2 inches
Width - 19 inches |
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FRAME UNIT |
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Type
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Rectangular - 8 inch channel iron supported on turntable base |
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Base Material
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Cast iron |
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Base Size |
36 inch diameter |
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Turntable Speed |
1 1/2 RPM at siren rated speed of 4600 RPM |
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Turntable Drive |
Vee belt drive and geared reduction automatically disengaged when
engine is declutched |
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REMOTE
CONTROL |
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Operation |
Units can be started, idled, operated at rated speed or cycled from
remote location |
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Installation |
Components integral with siren - external circuits and switch gear
supplied and connected by customer |
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Components
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Engine coolant and battery heater 110 volt A.C.
Battery charger
Follow through type starter drive
Automatic Starter control
Starting time limitor
Anti-kick-back control
Overspeed control
Low oil pressure safety
High coolant temperature safety |
