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Chicago Pneumatic Backfill Tampers Offer Full Power for Compacting Soil, Backfilling Trenches

Thu November 03, 2011 - National Edition
Construction Equipment Guide

The Chicago Pneumatic CP 0003 and CP 0004 backfill tampers are designed to compact soil around existing infrastructure, such as foundations, and to compact backfill in trenches. With their lightweight, well balanced and easy-to-use design, both backfill tamper models can be easily operated by one person and are ideal for trenching companies, general contractors, municipalities, gas and water boards, cable layers, utilities and local authorities.

These backfill tampers offer slow, powerful blows that efficiently and quickly compact all types of backfill, including clays and soils contacting high percentages of finely crushed or powdered materials. Delivering 800 blows per minute, the CP 0003 is built to handle light- to medium-compacting applications, while the CP 0004 delivers 780 blows per minute to handle heavier-compacting jobs.

The CP 0003 weighs 30 lbs. (13.6 kg), has a length of 4.3 ft. (1.3 m), a body diameter of 0.87 in. (2.2 cm), a butt size of 5 in. (12.7 cm) and air consumption of 133 gal. (503 L) per minute.

The CP 0004 weighs 42 lbs. (19 kg), has a length of 4.2 ft. (1.3 m), a body diameter of 0.98 in. (2.5 cm), a butt size of 6.3 in. (16 cm) and air consumption of 206 gal. (779 L) per minute.

The butt on the CP 0003 and CP 0004 tampers are secured to the lower end of the piston rod. Models with an aluminum butt are held with a clamp screw for quick, easy replacement. A valve in the back head assembly controls the reciprocating movement of the piston while the hand valve controls the airflow. The CP 0003 is equipped with a simplate valve, while the CP 0004 has a ring valve.

Boasting a long-life and low-maintenance, the CP 0003 and the CP 0004 are designed with heat-treated cylinder and chrome-plated piston to significantly extend tool life. The integral oiler continuously lubricates the tools during operation and the exhaust deflector directs air, moisture and oil away from the operator during use, according to the manufacturer.

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