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Schwarze A4000 Street Sweepers

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Product Number: A-4000

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The Schwarze A4000 Street Sweeper is a chassis-mounted, regenerative air sweeper with a 4.3 cubic yard capacity. The basic design of the A4000 street sweeper has had many years of successful operation throughout the United States and around the world. Because of its relatively compact size, the Schwarze A4000 street sweeper requires no Commercial Driver's License for operation and offers great maneuverability. With its sweeping power and environmentally-friendly regenerative air design, the A4000 is an ideal choice for use in a wide range of demanding road sweeping applications.

The A4000 sweeper's blower system generates a high velocity air column which is propelled into the top of its sweeping head through a 12-inch blast tube. The air is first pressurized in the upper chamber of the sweeping head, then expelled into the head's lower chamber through what is called a "blast orifice". This is a slot in the sweeping head that forces the air against the pavement at an angle, creating a "peeling" or "knifing" effect. The high volume air blast loosens the debris from the pavement surface, then transports it across the width of the sweeping head and lifts it into the containment hopper via a 12-inch suction tube. The blast and suction on the A4000 sweeper is generated by the Schwarze-exclusive WhisperWheelsm fan system.

This is a highly efficient system which ensures that even hard-to-reach particles hidden within pavement cracks and irregularities are removed, including the "PM-10 fines" known to contain a high percentage of heavy metals, phosphates and other pollutants. Double-belted curtains on the front and rear of the sweeping head contain the circulating air flow to assure debris transfer with minimal fugitive dust particles.

In contrast to mechanical broom sweepers, the Schwarze A4000 sweeper collects and retains the micron-sized contaminants that accumulate on roads and streets. Recent studies emphasize the importance of removing these "PM-10 fines" due to the non-point source pollutants that contribute to the stormwater runoff stream. Using the regenerative air Schwarze A4000 sweeper results in a cleaner street and a cleaner environment.

General Specifications:
Sweeping Width (2 gutter brooms) ..................... 120 inches
Sweeping Width (1 gutter broom) ....................... 100 inches
Sweeping Width (sweeping head only) ................ 80 inches
Travel Width ............................................................ 96 inches
Height ...................................................................... 90 inches

Debris Hopper:
Volumetric Capacity ...................................... 4.3 cubic yards
Dumping ................................................................... Hydraulic
Material ..................................................... Heavy gauge steel
Dump Height ........................................................... 67" inches
Dumping Tilt Angle ............................................................. 88°
Inspection Doors ............................................ 1 on each side
Controls .......................................................... Electric; in-cab
Interior Coating .............................................. Durable coating
Exterior Coating .................................... Zinc primer/urethane

Blower System:
Type .......................................... WhisperWheel SM centrifugal
Drive .............................................. Banded 3V, 5 groove belt
Speed ..................................................................... 2600 RPM
Diameter ............................................................................. 30"
Construction ....................... Welded abrasion-resistant steel
Housing Liner ....................................... Bolt-in corded rubber
Mounting .................................................... 2 sealed bearings
Vacuum Enhancer ............................ For heavy/light material

Sweeping Head:
Type ........................ Dual chambered, full-width blast orifice
Operating Direction .............................. Forward and reverse
Suspension ................................. Adjustable spring balanced
Length ............................................................. 80" (2032 mm)
Blast Hose Diameter ......................................... 12" (305 mm)
Suction Hose Diameter ..................................... 12" (305 mm)
Hose Construction ........................ Reinforced molded rubber
Head Area ...................................................... 2080" (13,419)
Controls ........................................ Hydraulic raise and lower
Skids ........................................Double row tungsten carbide

Electrical System:
Starter .......................................................................... 12 volt
Alternator ....................................................... 12 volt, 65 amp
Battery ........................................ 2 @ 12 volt, 750 CCA each
Controls ....................................................................... Back lit
Circuit Breakers on Sweeper ..................... Re-settable type

Water System:
Tank Capacity ...................................................... 130 gallons
Construction ...................................................... polyethylene
Pump ..................................... Hydraulic powered centrifugal
Controls .......................................................... Electric; in-cab
Filter ............................................................ fine mesh screen
Mounting ................................................................ removable
Low-Water Warning .......................................... indicator light
Fill Diameter ..............................................2.5" (63.5 mm) NST

Gutter Broom(s):
Type ........................................................ Vertical steel digger
Segments ............................................................ 4 each side,
disposable, tempered steel wire filled
Diameter ......................................................... 39" (990.6 mm)
Drive ................................................... Hydraulic torque motor
Speed ........................................................................ Variable
GEOSM (Gutter Broom Extension Override) ............ Optional
Mounting .................................................... trailing arm design
Location ................................................................ behind cab
Suspension ......................................................... free floating
Wear Adjustment ..................................................... automatic
Impact Protection .......................................................... spring
Tilt Angle Adjustment .................. manual or remote (optional)

Hydraulic System:
Pump Type ....................................... fixed displacement gear
Reservoir ................................................................ 16 gallons
Drive ..................................................................... Direct drive
Filter ........................................................... 10 micron spin-on
Strainer ..................................................................... 80 mesh

Paint:
One coat of sealer primer and 2 coats of DuPont Imron 5000®
polyurethane in standard white color.

Chassis:
A selected truck chassis is provided to give adequate ratings
of all components compatible with hopper capacity. Consult
factory for detailed requirements.

Optional Equipment:
Dual steering, cab-mounted barlight beacon, arrow board,
washdown system, special lighting, ether cold starting aid, engine
block heater, load weight indicator, automatic lube system, and
others. Consult the factory for a listing of all currently available
options

 
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