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COUPLING AS- 3236178 - Caterpillar



3236178 COUPLING AS- Caterpillar parts COUPLING
Rating:
31
Alternative (cross code) number:
CA3236178
323-6178
3236178
Caterpillar 3236178 COUPLING AS-
Weight: 0.29 pounds 0 kg.

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Illustration 1 g06057750
Machine General Information
The material feed system transfers paving material from the hopper to the screed. Components that move the conveyors and augers make up the material feed system.The material feed system contains an electrical portion, a hydraulic portion, and a mechanical portion.The electrical portion is made up of several ECMs and associated input and output devices. Machines are configured with zero, two, or four material height sensors. The material height sensors are used for determining the material height at the ends of the augers and at the ends of the conveyors. The material feed system will work with either paddle or sonic sensors in all locations.The hydraulic portion of the material feed system consists of the following:
Two tandem variable-displacement piston pumps
Four single-speed piston motors with fixed displacement
External gear charge pumpEach tandem hydraulic pump contains two rotating groups inside a single housing. The rotating groups inside one of the pumps provides flow to the right conveyor motor and right auger motor. The rotating groups inside the other pump provide flow to the left conveyor motor and left auger motor. An external charge pump provides charge oil to the pumps.The mechanical portion of the material feed system is comprised of two chain-driven conveyors and two chain-driven augers.Note: The machine electronic control system is programmed with implement lockout logic. Implement lockout logic prevents the material feed system from being operated while the propulsion mode function is set to TRAVEL.Note: These machines are configured with one of two different engines. One engine meets US EPA Tier 4 Final and EU Stage IV emission standards. The second engine meets US EPA Tier 3, EU Stage IIIA, and China Stage II emissions standards. Illustrations throughout this section may show components unique to either configuration. Components relevant to this section are discussed as required.


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