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Screeds(Non Current)

Caterpillar offers a broad range of Cat® asphalt pavers that compete in the rubber tire, steel track and rubber belted markets. High horsepower and excellent mobility help operators place the mat where they want it. All models are equipped with independent feeder systems designed to reduce segregation and handwork. The ventilation system draws fumes away from the conveyor tunnel as well as the auger chamber and redirects them away from the operator for a more comfortable working environment. Electronic self-diagnostics on the propel and feeder systems maximize maintenance efficiency and reduce machine downtime. Cat screeds feature hydraulic variable-width adjustment and electrically heated screed plates. They are available in rear-extender and front-extender models.

AS2252C Screed

The AS2252C is a production-sized screed that is well suited for commercial applications. The AS2252C screed offers narrow, front-mounted extenders to simplify paving width adjustment and minimize hand work.

  • Specification Summary

  • Weight with Electric Heat 2721 kg
  • Standard Paving Width Range 2.5-4.44 m (8.2-14.5 ft)
  • Maximum Paving Width 6.2 m
  • Minimum Width, Endgates Attached 2.76 m
  • Product Brochure

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Product Details

Weights

Weight with Electric Heat 2721 kg

Operating Specifications

Standard Paving Width Range 2.5-4.44 m (8.2-14.5 ft)
Maximum Paving Width 6.2 m
Crown Adjustment +10% to -3%
Heating System Electric
Maximum Vibrator Frequency 3000 vpm
Minimum Paving Width 1.88 m

Dimensions

Height 1.4 m
Length, Front to Back, Endgates Attached 2.06 m
Length, Front to Back, Endgates Removed 1.3 m
Minimum Width, Endgates Attached 2.76 m
Minimum Width, Endgates Removed 2.74 m
Screed Plates Thickness 13 mm
Screed Plates Width, Front to Back, Extenders 229 mm
Screed Plates Width, Front to Back, Main Screed 457 mm

Specifications

Extender Mounting Front-mounted
Screed Type Vibratory

Narrow Front-Mounted Extenders

The narrow front-mounted extenders provide even material flow and reduced handwork when paving around obstacles.

Narrow Front-Mounted Extenders

The extenders are mounted in front of the main screed plates. This forward location allows the extenders to easily draw in material when paving around obstacles.

Remote Extender Controls

The remote extender control allows the operator to adjust paving width and material flow while paving variable widths.

Versatility

The small footprint of the screed limits handwork when paving in tight locations. Quick reacting extenders and exceptional mat quality allows the screed to be used in commercial and highway applications.

Power Berm (Optional)

The power berm creates a 305 mm (12") or 457 mm (18") wide berm. The berm height is hydraulically adjustable and provides a maximum end berm height of 152 mm (6").

Screed Plates

The screed plates deliver a high-quality mat and a long service life. The narrow screed plate design on the extenders provides minimal handwork in commercial applications.

Screed Plates

The main screed plate is 457 mm (18") wide and the extender screed plates are 229 mm (9") wide. They are constructed of Hardox 500 XF, an abrasion resistant alloy steel that provides a long service life.

Curved Screed Plate Design

The curved screed plate design provides pre-compaction and good material flow under the screed.

Electric Heating Elements

The electric heating elements provide a quick warm up time to operating temperature.

End Gates

Easy grip handles and dual-bolt guides provide smooth height adjustments to ensure good joint-matching capabilities.

Spring-Loaded End Gates

The spring-loaded end gates create a downward force that causes the gates to follow the profile of the surface being paved, ensuring a good joint with the adjacent mat.

False-Wall Design

The false-wall design reduces mix contact with the sliding portion of the gate, providing easy gate adjustments.

Bolt-on Design

The bolt-on design allows easy end gate installation and removal when transportation concerns exist.

Foldable Handles

Foldable handles located on the end gate height adjustments allow them to be fully retracted for working close to barriers.

Dual-Bolt Guides

The dual-bolt guides allow smooth vertical movements and eliminate retention chains.

Screed Controls

A state-of-the-art electric heating system with easy-to-use controls that are located in the right place, allow the operator to make quick adjustments.

Electric Heat Control Panel

The electric heat control panel includes three temperature settings that are able to accommodate a variety of asphalt mixes and paving conditions.

Electric Heat Controller

An electric heat controller automatically regulates screed plate temperatures to the selected setting. A manual over-ride is provided. The controller also assists troubleshooting procedures with minimal training.

Adjustable Wrist Rest

An adjustable wrist rest located on each screed control panel provides operator comfort when making screed adjustments.

Easy Grip Handles

The thickness control screws utilize spinner handles for easy depth adjustments.

Serviceability

Access to the screed plate adjusters and screed controller provides quick and easy service.

Quick Screed Plate Adjustment

The trailing edge adjustment system utilizes a threaded bolt design that eliminates shims and provides quick replacement and leveling of the screed plates.

Extender Screed Plates

The extender screed plates can be easily replaced by removing four bolts and disconnecting the electrical harnesses and hydraulic lines.

Color-Coded Electrical Wiring

Cat® electrical harnesses utilize a kevlar braid and nylon mounting blocks to protect against abrasion. The wires are color-coded and numbered for fast reference. The connections are molded and soldered, providing a highly reliable system.

Replaceable Wear Strips

The wear strips located on the bottom of the end gate can be easily replaced in order to extend service life.

CANbus Interface

The CANbus electrical system on the screed provides an interface with the Advisor display on the tractor for simplified diagnostics. The screed functions are hard-wired and compatible with Cat ET.
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