CASE CRAWLER DOZER 1150M Hydraulic Schematic

Technical Highlights

• Model: CASE 1150M Crawler Dozer

• System: Full Hydraulic Circuit Diagram

• File Info: PDF • 1 Page • Full-color schematic with component key

• Components Covered: Travel pumps, charge pump, hydraulic cylinders, pilot valves, filters, and relief systems

Coverage

• System Overview
    • Hydraulic Pressure Flow (Main System)
    • Charge Pump and Case Drain Lines
    • Return Circuit to Tank and Filtration

• Hydraulic Component Groups
    • Track Drive Motors and Pumps (Left & Right)
    • Tandem Pump Assembly
    • Lift, Tilt, Angle, and Ripper Circuits
    • Pilot Pressure and Load Sensing Network

• Pressure Specifications
    • 420 bar main line
    • 30 bar return
    • 390 bar working pressure
    • 207 ±3.5 bar charge relief
    • 400 ±5 bar pump outlet

• Component Index (partial highlights)
    1. Track Drive Motor          34. High Pressure Cut-off
    11. Park Brake Solenoid        40. Tilt Cylinder
    33. Charge Pressure Relief      44. Equipment Valve
    52. Circuit Relief / Anti-cavitation   58. Pilot Accumulator
    61. Hydraulic Filter Bypass      66. Load Sense Orifice

Delivery

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