PRODUCTS

Backfill Tampers

Our APT Model 131 Backfill Tamper has a wide range of applications ranging from foundation and pavement repair, temporary filling of holes, asphalt packing, or the installation of power or telephone poles. Also providing you with a choice of 3 styles of butts to suit your every workplace need.

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M131 BACKFILL TAMPER

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The APT M131 Back fill Tamper is used for soil compaction, temporary filling of holes, asphalt packing etc. APT Tampers come with a choice of 3 styles of butts, a 6" diameter (approx. 5 lbs), 3" round butt (approx. 5 lbs) and a pole butt (approx. 5 lbs). The half-moon shaped pole butt is for compaction around a pole and the 3" diameter butt for confined space compaction.

TECHNICAL INFORMATION

Model Units M131
APT part #   5214 5214-03 5214-04
Butt type in 6 3 Pole
Bore diameter in 1 - 1/2
Stroke in 5 - 1/2
Blows per minute bpm 1,680
CFM @ 90 psi cfm 38 - 42
Weight lbs 37
Length in 51 - 7/8
Air inlet NPT in 1/2 Female NPT

Downloads

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Specification Sheet

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Filename
M131+Spec+Sheet.pdf
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43 KB
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pdf
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Parts List

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Filename
M131-parts.pdf
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34 KB
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pdf
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Accessories

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Filename
Tampers-accessories.pdf
Size
197 KB
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pdf
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BACKFILL TAMPERS

Standard Features

  • ‣  Built-in automatic oiler
  • ‣  Flapper valve design allows dirt to pass without stopping the tool
  • ‣  Your choice of butt style:
  • -    Internally reinforced malleable iron butt 6" diameter
  • -    3" diameter (solid) butt
  • -    Pole (half-moon)        
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Air Pressure

The recommended air requirement for the operation of APT tools is 90 psi (6.2 bar). Lower air pressure will decrease power, too high a pressure will increase unwanted stresses in the tool. For proper CFM ratings, please refer to the specification chart above.

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Hose Size

APT recommends the use of at least 1⁄2” inside diameter or larger hoses to assure sufficient air flow to the tool. For portable compressor hose and longer lengths, 3⁄4 “ hose is recommended. Keep the overall length of the hose to a minimum to prevent pressure loss at the tool.

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Connecting Hoses

Hoses should be rated for a minimum of 250 psi (17.2 bar). Before connecting the air hose to the tool, check the tool inlet connector to be sure it is clean and free of dirt or debris. Keeping dirt and debris from entering the tool will assure long and satisfactory operation.

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