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The following specifications are designed to assist you in acquiring a Falls® IceBreaker™
Underchassis Snow and Ice Scraper or its equal. The dimensions within the specifications
are intended |
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Moldboard:
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Shall be minimum 3/4" thick x 20" SEF 40/50 carbon steel smooth rolled to a 17" radius. Moldboard shall be formed to accept double bevel curved cutting edges. Moldboard shall be punched to accept AASHO standard cutting edges as well as standard carbide punching. Moldboard shall come supplied with two (2) 1/2" x 6" cutting edges. Moldboard shall be drilled to allow mounting the lift cylinder on the left or right side of the chassis frame. Moldboard ends to be clearly marked with reflective tape. |
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Hydraulic
Lift Cylinders: |
Shall be minimum 3" diameter double acting with 11-1/2" stroke. The cylinder shaft shall be minimum 1-1/2" diameter and shall be coated with minimum 36 hour salt spray chrome. Hydraulic cylinder shall have an operating pressure of 2500 psi and shall be tested for a minimum 7,500 psi burst strength. Hydraulic cylinder shall have urethane Poly-pack seals and urethane wiper. |
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Hydraulic
Accumulator: |
The hydraulic lift cylinder shall be protected with a nitrogen charged hydraulic piston-type accumulator, 116 cu in. capacity, to allow scraper moldboard movement due to road surface irregularities. Accumulator shall be precharged to 375 psi. Coil springs for shock abatement are not acceptable. |
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Pressure
Reducing Valve: |
A pressure reducing valve shall be provided for installation in the accumulator circuit and shall not allow "bleed out" or dumping of oil in the circuit. Maximum pressure not to exceed 500 psi. A liquid filled pressure gauge. 0-1000 psi, shall be installed in the cab for monitoring. |
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Mounting
Assembly: |
Hinge shaft shall be minimum 1-1/2" cold-rolled round steel. Hanger arms shall be minimum 2-3/8" OD x 1-13/16 ID DOM tubing |
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Paint: |
Shall be black. |
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ID
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Unit shall be identified with a metal plate riveted to the moldboard. ID tag shall include model, serial number, and manufacturer. 12 month limited warranty. |
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Approved
Models: |
Include NorthLand IceBreaker Model IB-____A or equal. Nonapproved makes and models must contact procurement office or bidding agency a minimum of two (2) weeks prior to bid opening for evaluation. |
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Options:
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10, 11, & 12 ft moldboard lengths. 1" thick moldboard. |
