42 lb Tamper-Backfill With 6” Butt - Ring Valve - 780 BPM Chicago Pneumatic backfill tampers quickly and effectively compact soil around foundations and other structures and are indispensable for compacting backfill in trenches. The CP 0004RV is well equipped to handle heavy applications • Maximum power—slow, powerful blows efficiently and quickly compact all types of backfill, including clay and soils containing high percentages of finely crushed or powdered material • Heat-treated cylinder and chrome plated piston significantly extend tool life • Adjustable packing maintains a positive air seal • Aluminum butt held with clamp screw for quick, easy replacement • Exhaust deflector directs air, moisture and oil away from operator • Integral oiler continuously lubricates tool during operation • Well-balanced, smooth-operating tool is easily guided by one person • 1 /2” (NPT) air inlet thread • For quieter operation, optional mufflers are available for CP 0004
